After 7 long years since the cute cat named Chebon went missing, there was little hope that it could be found. Robert probably already came to peace with the thought that he would never see his little friend again until he received a life-changing call. Clearly, a kind stranger reached out to tell him that his beloved cat was safe and sound and couldn’t wait to see him again!
The cat went missing years ago, right before Robert was planning on moving from California to Ohio. The sad owner decided to give up his plans and stayed in California for the whole year looking for his missing friend, but in vain. “I remember at one point I was praying and I said, ‘God, I’ll do anything, just bring my Chebon back…’”, Robert said in a video posted on the Ventura County Animal Services. The cat seemed to have disappeared forever and Robert had no other choice than to move on.
Then 7 years later, a woman noticed a cat that looked ill, so she decided to catch the animal and take him to the vet (兽医). Luckily, the cat she found had a microchip (微型芯片), and in an instant, they knew who the owner of the 19-year-old cat was. That’s when Robert received a call saying that his cat was alive.
“I was afraid there was some kind of mistake,” Robert said in the reunion video. The man decided to ride on a plane and fly all the way from Los Angeles to see his old friend. After finally seeing the cat, Robert immediately recognized his cat and burst into tears. After all these years, the two friends were back together. The touching moment was recorded by the animal shelter and was quickly spread on the Internet, leaving so many people in tears.
1. What happened to Chebon 7 years ago?| A．It was ill. | B．It was hurt in an accident. |
| C．It was lost. | D．It was taken to the animal shelter. |
| A．without success. | B．for no reason. |
| C．in no time. | D．at no cost. |
| A．Doubtful. | B．Worried. |
| C．Peaceful. | D．Hopeless. |
| A．A video moved many people. |
| B．A cat was saved by a woman. |
| C．A man reunited with his missing cat. |
| D．A man kept looking for his cat for 7 years. |
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【推荐1】I have been carrying a notebook and pen around with me since I was three. I practiced letters over and over because the act of writing was appealing. Once I could form words, I discovered the beauty of the sentence. The pages transformed into two- or three-line tales about dogs and horses and something else that interested me.
Eventually, I began to understand what it was my heart longed for: to create words and stories. I wrote plays out of the adventures of my American Girl dolls and mimicked(模仿) the mysteries of Harry Potter. I scribbled(涂鸦) across margins in class notes and grabbed any magazine that caught my eye.
I was 11 when I wandered into a Goodwill shop one afternoon with my mother. We searched for treasures and I discovered a row of old typewriters. Most were black, some electric and others manual(手动的), almost all behemoths(庞然大物). Many keys were yellowed with age, but they all shone up at me like magic. I spent long minutes opening cases, tapping keys, shifting rollers to hear that oh-so-delightful ping.At last, I came across a small tan case. Inside was a 1950s baby blue Smith Corona typewriter. I was instantly attracted.
I begged my mom to buy it. Despite my puppy-dog eyes, we left without it. Months passed, and the typewriter left my mind. Christmas arrived with a usual number of presents, until we reached the last one: a tiny box behind the tree. Inside I found a typewriter tape, along with instructions to look under my brother’s bed. With a scream I dashed for his room and found a familiar tan case hidden below.
Within minutes, I had the baby blue beauty set up at our dining table and paper gathered. Growing up, I spent many hours pulling out the typewriter whenever I wanted to copy handwritten stories or needed inspiration.I dragged it with me when I moved from Illinois to Washington.
My typewriter made my childhood dreams of being a writer feel real. Its well-worn keys stoked the creativity in my soul. The words I imagined went from the scribbled pages of notebooks to the print of the typewriter. It was as if I was turning these fantasies into published works all on my own.
1. What happened after the author was able to write a sentence?| A．She developed an interest in writing. | B．She took to practising her handwriting. |
| C．She showed much affection for pets. | D．She became a huge Harry Potter fan. |
| A．It had yellow keys originally. |
| B．It was in better condition than the others. |
| C．It was of small size and had a unique color. |
| D．It made a more delightful sound than the rest. |
| A．She saved up for the typewriter. | B．She received it as a prize. |
| C．She got it as a Christmas gift. | D．She got it from the shop owner. |
| A．prevented | B．increased | C．reflected | D．consumed |
| A．Magical Typewriter | B．Happy Childhood | C．Power of Words | D．Typewritten Wonder |
【推荐2】“ The moment before they called my name, I was really nervous because the other finalists’ presentations are really good and I thought they would win, ” Kara Fan, 14, who has won America’ s Top Young Scientist, told Yahoo Finance. “ When they announced my name, I was really surprised actually. ”
To win that claim, Fan’ s nano-particle liquid bandage had to surpass the experiments of hundreds of fifth to eighth graders as well as nine other finalists. Fan started developing her liquid bandage in April 2019 to fight the overuse of antibiotics(抗生素).
According to the CDC, roughly 2 million people every year suffer a bacterial infection in the U. S. and about 23, 000 passed away as a result. If left alone, a UN study reported, drug- resistant diseases or the “ superbug” could lead to 10 million deaths across the globe by 2050. When Fan’ s sprayable bandage dries on a person’ s skin, it creates a thin layer that protects the wounded area while breaking the cell wall and killing the bacteria on the skin. After experimenting with copper nitrate(硝酸铜) to fight bacteria, switching to the silver nitrate ended up being the major catalyst (催化剂) to seeing results for her award-winning project.
“ Thousands of years ago, ancient people would use copper and silver to eat with and they would drink water from like copper bowls to kill bacteria, ” Fan explained. “ I found out that it didn’t work. So I used nano silver. ”
Sir Alexander Fleming’ s discovery of penicillin— a type of antibiotic— is Fan’ s favorite scientific discovery. That said, she doesn’ t think humans should rely too heavily on penicillin.
Following her years at Westview High School, Fan hopes to continue her biology track at Stanford University. Along with the ＄ 25, 000 cash prize she won on October 29, becoming Amer-ica’ s Top Young Scientist may help get the private university’ s attention.
1. How did Kara Fan feel about her winning the prize?| A．Confident. | B．Regretful. |
| C．Proud. | D．Unexpected. |
| A．To fight overuse of antibiotics. | B．To enter a national contest. |
| C．To reduce deaths from injuries. | D．To get into a good university. |
| A．Copper nitrate. | B．Copper. |
| C．Silver. | D．Nano silver. |
| A．Addictive. | B．Valuable. |
| C．Useless. | D．Irreplaceable. |
The autumn wind woke me up from my dream. I took a deep breath and looked around. Suddenly I saw two people approaching me. As there was no one else in the park, they caught my attention immediately.
The two people were getting closer and I heard them laughing. At first, this laugh made me annoyed as if they had broken my unity with this park and disturbed my thoughts. But all of a sudden, I noticed the age of them — they were old. I could not clearly identify their age, but the woman looked as old as my grandmother. She had grey hair, blue eyes, and a smile on her face. And all the time she was looking at HIM...
“Jim, I think we should change the park. It’s the same every Saturday. You know...” “Sus! Hug me.”— that was all he said. He looked at her, smiled and gave her a hug.
At this very moment, I saw an old but strong man who knew his wife, and no matter how often she could be complaining, he loved her! I imagined the many things they might go through together — so many hardships that might make them cry, all the problems that they might be experiencing right now and the probability that one of them would outlive the other. And the one that outlives will think the life they spent together was the most beautiful period of their life.
They left, and I was sitting on my bench, shocked, and I had a special feeling in my heart. This feeling was hope! The old couple with all the complaints and tons of mistakes behind their backs made me realize that it was happiness that mattered in life. Eventually, all people would get old and die, and what made a difference was the person you had dedicated your life to. I made a wish — waking up one day, being old and feeling proud of being together with the person I loved to overcome all the obstacles ( 障碍) and fight for happiness.
1. Why did the author become angry at the old couple’s laugh? (no more than 15 words)2. Why did the old couple look at each other all the time? (no more than 10 words)
3. What was the author doing at that moment in Paragraph 4? (no more than 20 words)
4. What does the underlined word “dedicated” mean in the last paragraph? (1 word)
5. How do you like the old couple? What can you learn from the passage? Please express it in your own words. (no more than 20 words)
【推荐1】After college I wanted to make a difference in the world, so I joined a non-profit organization and became a volunteer teacher. I hoped to make a positive impact in Namibia. Honestly, my first choice wasn’ t Africa, but I am extremely grateful that I was sent there.
Various tribes (部落) and racial groups live in Namibia, and a number of languages are spoken. When Namibia gained independence in 1990, English became the official language. Teachers were supposed to teach in English, but many lacked the language skills to do so. My job was to train the teachers. Schools were quite bare. Some classrooms consisted merely of sticks stuck in the sand and a metal roof. Because both boys and girls shaved their heads, I learned to distinguish them by their uniforms: girls wore skirts.
The students had tiring days. They walked miles to get to school, often barefoot. They also did many daily chores. They fetched water, gathered firewood and cooked meals. Even with their mountains of work, few possessions and little opportunity, these children were joyful. I admired that.
This was the first time that I had lived abroad in a different culture and with a host family. Simply getting accustomed to the living conditions was a big adjustment. I had no electricity, running water, phone or Internet. However, I could end each day with a splendid African sunset. And at night, I had an unbelievable, light-pollution-free view of the entire Milky Way. I never thought I would live in such an environment. My experience awakened me to not only the limitations we place on ourselves, but also our amazing ability to adapt.
Travel, step outside of your comfort zone and immerse (使沉浸在) yourself in another culture. You won’t regret it.
1. Why does the author feel grateful?| A．He managed to stick to his choice. | B．He was exposed to a different culture. |
| C．He influenced Namibia positively. | D．He joined a non-profit organization. |
| A．English is its only language. | B．Its school conditions were tough. |
| C．All students wore the same uniforms. | D．Its teachers lacked teaching skills. |
| A．Dull but delightful. | B．Tiring but inspiring. |
| C．Dangerous but meaningful. | D．Inconvenient but rewarding. |
| A．A voluntary experience. | B．A country of wonders. |
| C．An influence on Namibia. | D．A big adjustment abroad. |
【推荐2】Kenny Lake School in Copper Center, Alaska, is small, with about 60 students from kindergarten to high school seniors. It’s even smaller in winter when some parents home-school their children because of the long drives and slippery roads.
Jennifer Hodges is a third, fourth and fifth grade teacher. She says her three-grade class sits only at desks for 20 minutes a day. They do a lot of hands-on learning, such as raising Coho salmon (大马哈鱼) from eggs to fry (鱼苗) and then releasing them into a lake.
Coho salmon lay eggs in the fall, when many schools start. The eggs remain in the classroom about six months before they are released into lakes. After that, they live for two to four years before they lay eggs and then die shortly afterwards.
Every day, about a third of Hodges’ students travel 45 minutes by bus from the Native Village of Chitina. Many students already have the experience of fishing salmon, which is the main food in Native Alaskan communities.
“It’s really a delicate balance because we are dealing with traditions and culture of the native people,” Hodges says. “This is their land, and this is their salmon. And so we have to really be part of that.”
Students like to calculate when the salmon will turn from eggs to fry based on the temperature of the tank. To them, it’s not practicing math problems; it’s predicting the future.
“We always take a guess at when they will hatch from their eggs first,” says Liam, a student. “It takes math because you have to keep track of their temperature. I’m good at math, so I usually get it right.”
Since Hodges and her students live in such a rural area, there aren’t many field trips. But each year in May, she takes her students on the Salmon Field Trip, where they get to release the salmon they’ve raised in class. They will name the fish, then release them into the wild and never see them again. But it’s not sad; it’s the highlight of the year.
1. Why do the students at Kenny Lake School raise salmon?| A．To practise life skills. | B．To do practical learning. |
| C．To get experience in fishing. | D．To kill time in winter. |
| A．Respectful. | B．Doubtful. | C．Critical. | D．Unconcerned. |
| A．It is a waste of time. | B．It is a very complex process. |
| C．It has solved their food problems. | D．It helps put math to practical use. |
| A．When they eat salmon. | B．When the salmon lay eggs. |
| C．When they release the salmon. | D．When the eggs become small fish. |
【推荐3】In 1999, Rebecca Constantino began doing a study at schools across Los Angeles. She had just completed a PhD in Language, Literacy and Learning, and she was analyzing children’s access to books in wealthy and low income communities.
One day, she saw something that stopped her in her tracks. “I was at a school in a wealthy community, and they were getting rid of almost brand-new books because they didn’t have room in the library,” said Constantino. She put the books in her car and drove them to a school in an underserved community.
Shocked by the difference she saw in public school libraries, Constantino became determined to bridge the gap. “School libraries are not funded well, and sometimes not funded at all,” said Constantino. “If you’re a child in an underserved community, you’re left with boring, outdated, and uninteresting books.”
The word about Constantino’s work was spread, and books began piling up. Today, her nonprofit organization, Access Books, has provided more than 1.5 million books to public- school and community libraries across California. The group has also redecorated close to 350 libraries in public schools and homeless shelters.
Constantino recruits (招募) volunteers who work alongside the community to create a warm, vibrant (充满生机的) and welcoming library space. Students and their families, as well as school staff and teachers, come together to join in. “We’re working together. It’s not a gift; it’s a partnership. It really builds a sense of community,”said Constantino.
In addition to book donations and refurbishing (再装修) libraries, the group offers author visits with schools and holds an annual writers conference for kids. Constantino said, “If we provide high-interest books and a beautiful library space, they do come and they do read. We found that in the schools that we serve, the number of books borrowed increases significantly after our coming. So we know that kids are really interested in the books that we give. My goal is that kids can always have a friend in a book and they can always turn to a book to find comfort and to learn something.”
1. Why did Constantino do the study in 1999?| A．To prepare for a PhD. |
| B．To reduce the waste of books. |
| C．To donate more books to poor communities. |
| D．To figure out kids’ ways of gaining reading books. |
| A．By obtaining donated books. |
| B．By raising money on the street. |
| C．By founding a profitable organization. |
| D．By getting support from the local government. |
| A．Ambitious. | B．Controversial. | C．Depressing. | D．Successful. |
| A．They are more willing to read books. |
| B．They can turn to writers on campus. |
| C．They donate their own books to school libraries. |
| D．They think the books on the shelf difficult to read. |
As you know, next month will see the Have a Heart activity, which is a part of the heart research. As part of support for it, several students here at Trent High School have decided to organize a half-marathon event on August 1st. All the money that we hope to raise by doing this will go to Have a Heart.
In order to raise as much money as possible, we are doing two things: a) asking members of the public to sponsor (赞助) individual runners in the race, and b) looking for companies to help raising money. It is for this second reason that I am writing to you now.
As the leader of Trent High School’s half-marathon committee, I am writing to ask if your company would be willing to consider providing sponsorship for our event. What we had in mind, if you are agreeable，is to put the sponsor’s name on the numbers of each runner, and to have the sponsor’s name on banners (横幅) along the way as well as at the finish line. We believe that our sponsor will get a lot of positive publicity.
It is difficult, of course, to make a request for a specific amount of money, but we are hoping that the company which sponsors us would do so to the amount of £1,000 or more, and would perhaps also contribute to the making of banners etc. We do hope that more people and companies can give your love to the heart research.
Should you be interested, please get in touch with us at the above address.
Thank you for giving our request your attention. We look forward to hearing from you.
Yours faithfully,
James MacDonald
1. Why will the half-marathon event be held?| A．To make the school highly popular. | B．To support the Have a Heart activity. |
| C．To raise money for the poor students. | D．To encourage students to take exercise. |
| A．provide money to the public | B．help the runners finish the race |
| C．design banners for the company | D．put the sponsor’s name on banners |
| A．ask the company for sponsorship | B．invite people to the committee |
| C．explain the details of heart research | D．apply for the rules for the event |
| A．a professional runner | B．a school teacher |
| C．the leader of a company | D．the organizer of the event |
【推荐2】Last month, a modernized Fisheries Act became law in order to set the stage for rebuilding the abundance(丰富的) of fish in Canada’s oceans. For the first time since its start in 1868, rebuilding plans are now required for reduced fish populations. The act also ends the import and export of shark fins in Canada.
Around the world, it has been a legal requirement to rebuild fish populations and prevent them from becoming reduced. Besides, there are the social, cultural and economic benefits that come along with it. Thanks to authorities who put stress on rebuilding fish populations, the act now lays a strong foundation for supporting healthy oceans for generations to come.
The act bans importing and exporting shark fins in Canada. Fins from as many as 73 million sharks end up in the global shark fin trade every year, including many endangered species. Canada has been the largest importer of shark fins outside of Asia. This act is a huge victory for sharks and for the many Canadians, advocacy(支持) groups and politicians who joined together to fight for the ban on this cruel practice.
Billions of people worldwide depend on our oceans for their food and livelihood. By rebuilding its fisheries, Canada is helping lead the way toward healthier and more sustainable oceans. In fact, in Canada, only 34% of fish populations are healthy while more than 13% are dangerously reduced. The new act should change this, requiring that rebuilding plans be created for all fish populations in the critical zone. The act also contains modern fisheries management practices, such as ecosystem-based approaches and habitat protection measures. Rebuilding fish populations can also increase incomes and jobs in coastal communities.
Oceana Canada worked closely with Fisheries and Oceans Canada, First Nations, advocacy groups, fishers and others to bring the changes to the act to success and will continue to advocate fisheries rebuilding in Canada.
1. What can we learn about the aim of the new act?| A．To increase Canada’s fish populations. |
| B．To make rules for fish trade in Canada. |
| C．To clean oceans for the survival of fish. |
| D．To set a protected area for shark species. |
| A．Indifferent. | B．Unclear. | C．Positive. | D．Opposed. |
| A．The ban on global trade. |
| B．The global shark fin trade. |
| C．Importing and exporting goods. |
| D．Polluting habitats of endangered species. |
| A．Different opinions on the new act. |
| B．The significance of passing the new act. |
| C．The advance in Canada’s ocean protection. |
| D．Factors preventing the passing of the new act. |
| A．Carrying out the new act is an impossible task. |
| B．Ocean protection needs a joint effort across the world. |
| C．Canada is determined to take the lead in global fishing market. |
| D．A number of parties take part in rebuilding Canada’s fisheries. |
【推荐3】 China Train Guide
Quick Guide on China Train Travel
If you're looking for an affordable and comfortable way to get around China, train travel is the way to go. Getting train information and cheap train tickets has never been easier. Online train ticket booking makes it easy for travelers to look through China's train timetable, compare train fares, and look for ticket availability. Once you've found a suitable train, you can book online and pick your tickets up at the train station or get them delivered to your home or hotel. Train tickets can be booked online a minimum of 35 minutes and a maximum of 60 days before departure.
How to choose train types
When you're buying China train tickets online, you'll notice that the journey duration differs depending on which type of train you choose. China train types can be recognized by their letter codes. G, D and C trains are high-speed trains, while Z, T and K are slower or overnight trains. China's high-speed trains run between Chinese provincial capitals and first-tier Chinese cities. G trains (high-speed trains, standing for gāotiě) are China's bullet trains-the fastest trains with a maximum speed of 400 km/h. Tickets for these trains are the most expensive.
How to buy train tickets
Unless you can read Chinese, there are only two ways to make train reservations in China:
---Online train ticket booking with a travel agency (up to 60 days before departure).
---At the train station/local ticket agency with your passport (up to 58 days before departure).
How to read train tickets
When reading your train ticket, please take note of the Chinese characters and Pinyin printed next to your departure / arrival city. Directions (North, South, East, and West) appear in Pinyin (Bei, Nan, Dong, and Xi), not English.Please make sure you are going to the correct train station.
1. What can we learn from the first paragraph?| A．It's difficult to get train information in China. |
| B．You can get on the train without tickets after booking online. |
| C．Traveling by train in China is not very expensive. |
| D．Train tickets online are available at any time within 60 days before you leave. |
| A．Native tourists. | B．Travel agencies. |
| C．Businessmen. | D．Foreign travelers. |
【推荐1】Christmas was near a season that we took seriously in our house. But a week or so before the 25th, my father would give each of his children $20. This was the 1970s, and $20 was quite a bit of money.
But I saw it differently. My father trusted me to have the smartness to money wisely. Even better, he gave me the means to get it. On a very basic level, my father was giving me a shopping spree （狂欢） every year. But he was also giving me charge over my own fun, trusting my ability to manage money and making me feel like a grown-up. He didn't buy me Sherlock Holmes, but he gave me the means to walk into the bookstore and choose it for myself, so it felt like a gift from him.
My mother had a gift for giving me what I needed, usually right at the moment I needed it most. This was when I was 25. I failed at being an adult on my very first try. I had quitted my previous job but had no new one. But when my mother paid me a visit, I put on a good show, telling her I had started my own company.
My mother knew that I was trying hard and failing at that time. It wasn't until after she left that I noticed at the foot of my bed an envelope thick with cash. She knew how desperately I needed it. She knew that had she just shown up with groceries, or offered to pay my rent, she would have made me feel much worse. The cold, hard cash meant she was helping me. And, funnily enough, the distance with which she gave the gift felt like she was giving me space to fix my life and preserve my dignity (尊严).My mother and father both did the same thing. One was giving me the means to take my own decisions, and the other was giving me a second chance when those decisions had cost me dearly.
1. What can we learn about the author from the first two paragraphs?| A．His family once celebrated Christmas happily. |
| B．His father gave the author chances to make decisions. |
| C．His best memories about Christmas were in the 1970s. |
| D．He used to choose books as his father's gift on Christmas. |
| A．Money offered by his father. |
| B．His father's being generous with money. |
| C．Christmas being important. |
| D．The means of spending money. |
| A．Careless. | B．Optimistic. |
| C．Determined. | D．Considerate. |
【推荐2】For the first time, a woman captain led Britain’s Changing of the Guard ceremony at Buckingham Palace. Canadian officer Megan Couto made history on June 26 by commanding the troops guarding Queen Elizabeth's London home. Couto, 24, led her Canadian unit in the ceremony, which is witnessed by thousands of visitors to London each year. Her unit is the Second Battalion, Princess Patricia's Canadian Light Infantry （步兵），also known as The Patricia's".
The British Army said Couto was the first ever female infantry officer to lead the ceremony. “We look forward to seeing a British Army female infantry captain of the queen's guard when roles are opened up to women by the end of next year,“ a statement read.
Women were barred from serving in the British infantry and other fighting roles until the military changed the rule last year.
Canadian Captain Megan Couto made history by becoming the first female Captain of the Queen's Guard as she took part in the Changing the Guard ceremony at Buckingham Palace in London, Monday, June 26. The Canadian unit was invited to Britain to mark Canada's upcoming 150th anniversary. Canada Day is celebrated on July 1.
Canada was established on July 1, 1867, when Britain approved the British North America Act. The act established the Canadian Confederation out of three British colonies(殖民地). Canada, along with several other nations, still belongs to the British Commonwealth(英联邦). Queen Elizabeth still serves as the country's official head of state.
Many celebrations will be held throughout Canada to mark the country's 150th birthday. Among the activities will be parades, musical and cultural performances and fireworks. Britain's Prince Charles and his wife Camilla are to spend three days visiting Canada to mark the anniversary. In Britain, people plan to gather in London's Trafalgar Square to take part in a celebration for Canada Day. The event will feature musical performances, Canadian food, sports and other activities. It is predicted that there will be thousands of foreign visitors coming to enjoy the event.
1. What is special about the Changing of the Guard ceremony this time?| A．It didn't include Britain soldiers. | B．It was commanded by a female. |
| C．It was led by a British officer. | D．It was held in Canada. |
| A．To honour the British queen. | B．To guide the British queen. |
| C．To attract foreign visitors. | D．To celebrate Canada Day. |
| A．It was part of Britain. |
| B．It was the same as it is today. |
| C．It belonged to the USA. |
| D．It was out of the British Commonwealth. |
A．Delicious food on Canada Day. | B．Celebrations to be held in Canada. |
| C．Foreign visitors to enjoy the event. | D．Activities to be held for Canada Day. |
【推荐3】A ten-year-old sperm whale(抹香鲸）was found dead on a beach in Scotland.A necropsy(尸检）revealed that nearly 100 kilograms of plastic and other trash had formed clumps(硬块）in its digestive system.The tragedy quickly made headlines.Why would a top predator in the ocean eat gloves,rope,and plastic cups?
Conventional wisdom suggests that marine animals eat plastic because it is there and they don't know any better.It is true that plastic may smell like food to some of them.But that doesn't explain why only certain types of whales-deep-diving toothed whales,such as sperm whales and pilot whales-turn up dead on beaches with stomachs full of plastic.
It's possible,says Savoca,that plastic trash sounds like food to toothed whales.These species
hunt deep in the ocean,sometimes nearly 500 meters below the surface,where it's pitch black(漆黑）。They use echolocation(回声定位）to hunt for food,typically squid(乌贼）。
By contrast,baleen whales(须鲸），including humpbacks and blue whales,have natural filters(过滤器）for their food.Baleen,the brush-like filter-feeding system they have in place of teeth,as well as their narrow throats,keeping them from swallowing anything much larger than the krill(磷虾群）that forms the basis of their diet.That could help explain why baleen whales are not ending up with plastic filled stomachs.
Fifty years ago,there was almost no plastic in the ocean.The lifespan of a large whale can be
twice that long.In the lifetime of a single whale,we went from an ocean with no plastic to hundreds of thousands of tons of it.Plastic comes on top of other factors affecting life in the ocean-climate change,overfishing,shipping traffic,and noise pollution."it's a real shame because their lives are challenging enough even without the additional pressure we put onto them,"says Savoca.
1. What does Paragraph 2 mainly talk about?
| A．That plastic smells like food to toothed whales. |
| B．That marine animals started to eat plastic decades ago. |
| C．That a number of toothed whales are found dead on beaches every year. |
| D．That conventional wisdom about why marine animals eat plastic doesn't apply to all whales. |
| A．They don't feed on krill. |
| B．They live in the dark depths of the ocean. |
| C．They are not born with brush-like filter-feeding systems. |
| D．They don't determine the location of their food with their eyes. |
| A．Whales have a longer lifespan than humans. |
| B．Plastic has a negative effect on climate change. |
| C．Great changes have taken place in the ocean in the past 50 years. |
| D．Plastic pollution has worsened already serious issues affecting marine life. |
| A．Different diets,different fates |
| B．Silent killers in the ocean |
| C．Plastic trash in-the ocean |
| D．Saving whales |
