1 . In a large city like Beijing, what's the best way you can think of to spend only a single yuan to get around? Shared bikes!
Shared bikes seem to have appeared in Beijing overnight. Their bright colour and stylish design make them stand out from other bikes. More importantly, they are "smart". A shared bike can record the route it travels, the calories its rider consumes and the amounts of carbon emissions(排放)the ride saves. The smart lock is powered by solar energy. It is designed to produce power throughout the ride to keep its "smart" system running.
Registration(注册)for a shared bike is easy. As long as you have a smart phone, you're good to go. It takes only several minutes to register after scanning the QR code(二维码)on the bike. You have to provide your personal information such as name, ID card number and smart phone number.We are encouraging people to cycle short distances, rather than driving. We want to bring bikes back to China's cities, "said a founder of a bike-sharing company. "We are using new technology to provide better services."
The free-floating model of shared bikes frees users from the need to find specific drop-off and collection points, and the GPS in the smart lock allows them to locate and book bikes in advance using their smart phone.
The bike-sharing companies intend to develop a green travelling culture. The riders feel rewarded not only by building up their body, but also by helping to control climate change.
Given the huge user base in the"kingdom of bicycles"and the growing demand for a green lifestyle, the future of the business should be optimistic.
1. Which of the following aspects shows the shared bike is smart?| A．Its appearance. | B．Its function. | C．Its speed. | D．Its weight. |
| A．your ID card number | B．your name |
| C．the QR code on the bike | D．your smart phone number |
| A．People prefer shared bikes to cars now. |
| B．Shared bikes are popular in China's cities. |
| C．Shared bikes are convenient and easy to use. |
| D．Shared bikes can be located with a smart phone. |
| A．Sports. | B．Entertainment. | C．Advertisement. | D．Technology. |
2 . Wildlife faces threats(威胁)from habitat destruction, pollution, and other human actions. Although protecting wildlife may seem too hard at times, even small actions in your own neighborhood can help protect many different animals. Here are some tips on how to protect wildlife through small actions.
1.Create wildlife friendly areas in your backyard.
When trying to make your garden more beautiful, you can choose plants that can provide food and shelter to native wildlife. This will also help cut down on pollution. Add bird or bat houses to your yard or garden to attract and shelter these species.
2.Avoid harming the natural ecosystem(生态系统)in your area.
Some plants from other places can kill or harm native plants that provide food and shelter for wildlife.
3.Have a greener lifestyle.
By using less water and fewer fuels, you will be helping to protect the wildlife around you. Take buses or the subway when you can, turn off electric devices when you're not using them, take shorter showers, and keep your room temperature at or below 68 Fahrenheit degrees during the winter.
4.Buy products that are wildlife friendly.
Don't buy products that are made from endangered animals. Keep in mind that some endangered animals are killed by traps, catches or hunters who are after other wildlife within the same habitat.
5.Donate money or time to organizations that protect wildlife and their habitats.
You can give money to organizations or groups that protect wildlife species in your neighborhood.
1. We infer that the purpose of this passage is to ________．| A．tell us why protecting wildlife is extremely important now |
| B．suggest that we protect wildlife through actions |
| C．explain why protecting wildlife is not as hard as people think |
| D．give us some tips on how to protect wildlife through small actions |
| A．taking subway to work | B．showering less than usual |
| C．leaving your computers on all day | D．keeping your room right temperature |
| A．Animal diseases. | B．Loss of habitat. |
| C．Pollution. | D．Hunters. |
| A．Environment. | B．Teaching. | C．Business. | D．Geography. |
3 . The USA，New York—Whales and dolphins are facing increasing threats from climate change，according to a new report published by WWF(World Wildlife Fund)and the Whale and Dolphin Conservation Society(WDCS)．
The report“Whales in hot water？”draws attention to the growing impacts of climate change on whales.They range from changes in sea temperature and the freshening of the seawater because of the melting of ice and increased rainfalls，to a sea level rise，loss of icy polar habitats and the decline of krill populations in key areas. Krill，a tiny shrimp that is dependent on sea ice，is the main source of food for many of the great whales.
The speeding up of climate change adds greatly to trouble from other human activities，such as chemical and noise pollution，which kills some 1，000 whales every day.
“Whales and dolphins have an ability to adapt to their changing environment，”said Mark Simmonds，International Director of Science at WDCS.“But the climate is now changing at such a fast pace that it is unclear to what extent whales and dolphins will be able to adjust.”
Climate change impacts are currently greatest in the Arctic and the Antarctic.According to the report，whales that rely on polar，icy water for their home and food resources are likely to be greatly affected by the reduction of sea ice cover.
WDCS and WWF are urging governments to cut global production of CO2 by at least 50 percent by the middle of this century. The latest report of the Intergovern－mental Panel on Climate Change showed it was possible to stop global warming if the world's emissions start to decline before 2015.
1. What is the literary type of this passage?| A．Story. | B．Announcement. |
| C．News. | D．Novel. |
| A．dolphins | B．krill |
| C．sea horses | D．sharks |
| A．The Pacific Ocean. | B．Asia. |
| C．Two polar areas. | D．Equator. |
| A．Climate change will lead to the changes in sea temperature. |
| B．Climate change will result in the freshening of the sea water. |
| C．Climate change will have a bad effect on human activities and whales. |
| D．Human beings will forever have no ability to stop global warming |
4 . Both low-fat and low-carbon diets work equally well to help people lose weight over two years, a new research has shown. In addition, the low-carbon diets may also improve levels of HDL cholesterol(胆固醇), although it's not clear how much difference this would make to your overall health.
The search for a diet that helps people lose weight goes back decades. In recent years, there's been much discussion about the strong points of low-fat diets, compared with low-carbon diets. And some claim that the low-carbon diets work well for short-term weight loss, but there isn’t enough evidence to show how well the two types of diets work and what the effects are on people's health in the long term.
In addition, it's been recognized that weight-loss programs are better if they include some support to help people make changes to their eating and exercise habits. This is often called behavioral therapy, because it works through changing people's behavior.
The new study has researched people who followed a weight-loss program over two years, all of whom had behavioral therapy. According to the actual situation of different people, half the people followed a low-carbon diet, and half followed a low-fat diet. And the result shows: people on both diets did equally well in losing weight. After two years, they had lost on average 7 kilograms. This amount of weight loss is enough to have positive effects on the health of fat people. What’s more, the group who had the low-carbon diets had much better levels of HDL cholesterol than people on the low-fat diets.
If you need to lose weight, this study shows that the behavioral therapy is able to work effectively. You may find it easier to lose weight as part of a supervised weight-loss program that can help you break bad habits and make healthy changes to your diets and lifestyle.
1. What advantage do low-carbon diets have?| A．They can help people remember better. |
| B．They can better levels of HDL cholesterol. |
| C．They can improve people's overall health greatly. |
| D．They can help people take exercise better. |
| A．Participants on both diets didn’t lose the same weight in the new study. |
| B．The low-fat and low-carbon diets make much difference to your overall health. |
| C．People who want to lose weight should change their eating and exercise behavior. |
| D．The behavioral therapy is beneficial to your health in the long term. |
| A．Critical. | B．Supportive. | C．Doubtful. | D．Indifferent. |
| A．a science-fiction book. | B．a guidebook. |
| C．a scientific newspaper. | D．a fashion magazine. |
5 . What’s a spacewalk? Any time an astronaut gets out of a spacecraft while in space, it is called a spacewalk. Astronauts go on spacewalks for many reasons. For example, experiments can be placed on the outside of a spacecraft. This lets scientists learn how being in space affects different things. By going on spacewalks, astronauts can also fix certain things instead of bringing them back to the earth to fix.
When astronauts go on spacewalks, they wear spacesuits to keep themselves safe. Inside spacesuits, astronauts have the oxygen they need to breathe and the water they need to drink. To keep the astronauts and the spacecraft safe, the astronauts must leave and go back to the spacecraft through a special door. When on a spacewalk, astronauts use safety tethers to stay close to their spacecraft, which connect the spacewalkers with the spacecraft. They keep astronauts from floating away into space. Another way astronauts stay safe during spacewalks is by wearing a SAFER. SAFER is worn like a backpack. It helps an astronaut move around in space.
How do astronauts train for spacewalks? One way is by going for a swim. Floating in space is a lot like floating in water. Astronauts practice spacewalks underwater in a huge special swimming pool. For every one hour they will spend on a spacewalk, astronauts need to train seven hours in the pool. Another way astronauts practice for a spacewalk is by using virtual reality(虚拟视镜). It looks and feels just like a spacewalk.
Today, only three countries have finished spacewalks independently. They are Russia, the United States and China. The first person to go on a spacewalk in the world was Alexei Leonov from Russia. Zhai Zhigang is the first Chinese astronaut to go on a spacewalk. The world record of spacewalks is held by Russian astronaut Anatoly Solovyev. He has been on 16 spacewalks and spent more than 82 hours outside in space.
1. What can an astronaut do by going on a spacewalk?| A．Fix different objects. | B．Collect any things he wants. |
| C．Carry out an experiment. | D．Study how things changes in space. |
| A．Special ropes. | B．Spacesuits. |
| C．Spacecraft. | D．Special backpacks. |
| A．Walking in space is as easy as going swimming. | B．A virtual reality should be used in a spacewalk. |
| C．Only three countries have ever tried spacewalks. | D．Russia keeps the world record of spacewalks. |
| A．A diary. | B．A magazine. | C．A novel. | D．A guidebook. |
6 . As the novel coronavirus outbreak interrupts businesses and everyday life for billions around the globe, massive conferences have moved online. The new form creates numerous technical and organizational challenges, but it also offers opportunities-for reaching wider audiences, reducing the carbon footprint of meeting travel and improving diversity. For some meetings, the switch may be lasting.
The scientific community is “ making lemonade out of lemons,” an expert says. “ Scientists are making use of a situation that’s really quite horrible and providing people a way to connect.”
In many ways, virtual conferences offer a better experience, says Altman, associate director of the Stanford Institute for AI. Altman’s institute had planned an inperson conference in April, but COVID-19 forced organizers to change it. They threw together a virtual conference to discuss how AI can help scientists fight the ongoing pandemic (流行病).The event was a great success. The original conference would have drawn a few hundred attendees, but 30,000 people watched the online version.
Altman says the virtual environment allowed hosts to better control the flow of discussion and questions from the audience. By privately messaging one another behind the scenes, they were able to make adjustments (调整).During the audience question period, the hosts didn’t open up the virtual floor for anyone to speak. Instead, they asked the audience to type their questions and screen the most insightful (有深刻见解的)ones.
Scientists acknowledge that virtual conferences can’t completely replace the conference experience. Virtual meetings might lose some of their appeal once stay-at-home requirements loosen. Even so, the success of some scientists further strengthens the society’s march toward virtual meetings.
1. What does the underlined phrase “ making lemonade out of lemons” refer to?| A．Working tirelessly to fight the pandemic. |
| B．Taking advantage of the difficult situation. |
| C．Doing research on how to make lemonade. |
| D．Committing themselves to their conferences. |
| A．A larger audience. |
| B．Better arrangement. |
| C．Environmental friendliness. |
| D．Beating the ongoing pandemic. |
| A．Provide some advice for the hosts. |
| B．Summarize the previous paragraphs. |
| C．Introduce a new topic for the audience. |
| D．List some advantages of virtual conferences. |
| A．Business. | B．Opinion. | C．Culture. | D．Travel. |
7 . Chiang Mai has just been named the top city in Asia as well as ranked （排名）second for the World's Best Cities in the readers' survey of Travel + Leisure World's Best Awards 2016. The influential magazine also ranked Bangkok at No. 5 in Asia and No. 14 in the world.
Readers were asked to judge Asian destinations on various factors （因素）including the local culture, food. shopping and landmarks as well as the friendliness of the people and overall value for money. The cities were then ranked out of 100 will） Chiang Mai scoring 91.25 . The city was praised by the Thavel + Leisure readers for its " peace and quiet" and "popular restaurants, historic temples and large markets” as well as for all the conveniences of a major city. Bangkok had a score of 88.96 and was praised for its arts scene and fashionable hangouts.
Yuthasak Supasorn, Governor of the Tourism Authority of Thailand （TAT） said, "Chiang Mai has always been popular with local and international tourists, so it's good to see that the city is receiving more international favorable receptions. The lovely weather and attractive culture make Chiang Mai a wonderful retreat the whole year round, and as it's a food and arts centre, there's always something to enjoy in the city as well as adventures in the surrounding hills."
Chiang Mai has also been ranked highly on a recent list of best cities （or digital nomads （数字游民）—people who work online and do not need to be tied to an office. The Nomad List ranks the best cities based on living costs, Internet speed t weather, safely and more than 50,000 other data （数据）points.
1. According to Travel + Leisure, Chiang Mai ranked___ in Asia.| A．No.1. | B．No. 5. | C．No. L4. | D．No. 100. |
| A．The variety of cultures. | B．The beliefs in money. |
| C．The way of making friends. | D．The number of destinations. |
| A．The local people are friendly. | B．Il's Asians most popular city. |
| C．It's a world tourist attraction. | D．There're adventures downtown. |
| A．A speech. | B．An advertisement. |
| C．A scientific journal. | D．A news report. |
8 . STA Travel, the world’s largest students and youth travel agency, beats any price! Every day we’re working with our partners around the world to get you (students, teachers and anyone under 26) the cheapest and most comfortable fights and accommodations. This part of www.statravel.com provides great tips for green travel—how to pack, how to leave your house or apartment, and how to plan for your trips. You’ll also find a great number of green travel adventure (探险) trips to all comers of the world.
Green travel means responsible travel! Leave as little influence as possible on the places you visit and protect the environment both at home and during your trip. Think “Green” when you pack and when you travel. You’ll help prevent long-term effects on the communities you leave and visit!
Here’s some advice on how to do that.
Before you leave
◆Turn your water heater to its lowest setting.
◆Turn off your water from the outside.
◆Pack suitable clothes in your luggage, none of which is to harm the environment.
While you travel
◆Try products made from recycled materials.
◆Don’t buy souvenirs produced from endangered species (物种).
◆Carry a reusable bottle for water and refill it as you go.
◆Use the bathroom in the airport, NOT on the plane. The fuel used for a single flush (冲洗) could run a car for six miles.
1. What do green travelers care most about?| A．Flights. | B．Prices. | C．Pleasure. | D．Nature. |
| A．Use environment-friendly products. | B．Take as much water as possible. |
| C．Pack as few things as possible. | D．Learn about adventure travel. |
| A．In a travel magazine. | B．On a travel website. |
| C．On an environmental poster. | D．In an environmental research paper. |
9 . Australia’s bush fires are threatening the country’s unique wildlife —from koalas to native birds to bees —and researchers fear that some species are being pushed to the brink of extinction. The fires have killed at least 26 people, burned thousands of homes and could shave as much as 0. 4% of economic growth, according to some experts.
More than 13,000 head of livestock have been killed by the fires in New South Wales state, where more than 20,000 square miles of land has been burned. The fires threaten to rage on into February—summer - time in Australia —or longer.
Scientists say at least six species are in danger. “There’s great concern that these fires may have pushed species closer to extinction or potentially over,” said Deakin University wildlife ecologist Euan Ritchie. “We won’ t know until we get into the areas,” he said.
Some scientists are concerned about a metallic - green bee that lives exclusively in areas that have been ravaged by fire, along Australia’s east coast and on Kangaroo Island in the south. Researchers suspect the green carpenter bee has been wiped out on Kangaroo Island.
“The species is likely to be in terrible conditions, as all of its habitat has now either burnt or is threatened by fire,” said Katja Hogendoorn, a bee expert at the University of Adelaide, who has been working for half a decade to preserve the population of green carpenter bees on Kangaroo Island.
1. What can we learn from Paragraph One?| A．The wildlife is well protected in Australia. |
| B．The fires also damage Australian economy. |
| C．The bush fires have lasted for a long time. |
| D．The bush fires are frequent in Australia. |
| A．Curious. | B．Concerned. |
| C．Unexpected. | D．Surprised. |
| A．It will all be burnt to death. | B．It is gradually dying out. |
| C．It might lose its natural home. | D．It will move to other places. |
| A．In a story book. | B．In a textbook. |
| C．In a newspaper. | D．In a traveling guide. |
10 . Several Eye-Opening Facts about Tears
Humans make three different versions of tears.Basal tears help our eyes move smoothly,reflex tears form in response to irritants(刺激物）such as smoke and dirt,and emotional tears flow when we're sad or over-joyed.Onion tears are obviously of the reflex variety-but what's the irritant?It turns out onions produce a chemical to defend themselves.To cut down on its release,freeze the onion before slicing,then use a sharp knife to reduce the damage to the onion and the release of the chemical.
Crying can be good for you.Some studies have shown a good cry can cause the release of certain chemicals that make us feel better.Crying can also improve people's sense of well being by bringing about social support.On the other hand,crying can sometimes make you feel worse than if you haven't cried at all.One study found that people who tend to cry in general more often feel worse after crying during a movie than people who seldom cry.
According to Entertainment Weekly,the biggest Hollywood tearjerker of all time is Terms of Endearment,about how a family deals with a cancer diagnosis.Number 2:Bambi.According to Merriam-Webster,the term tearjerker first appeared in 1912,which happens to be the same year the Titanic sank.(The movie Titanic is 16th on EW' s tearjerker list.)
In medieval(中世纪）times,crying was perfectly acceptable,even manly.In the Anglo-Saxon poem Beowulf,when Beowulf was killed by a dragon,his soldiers were extremely sad and cried aloud for his death.King Arthur was also known to turn on the waterworks.
Speaking of war,tear gas was banned on the battlefield via the Chemical Weapons Convention of 1993,which was made to happen by Iraq's use of chemical weapons in Iran in the 1980s.That said,American police can still legally use tear gas for crowd control.
1. Why do people have tears while cutting onions?| A．Because they are sad. | B．Because their eyes are affected by a chemical. |
| C．Because they are over-joyed. | D．Because their eyes can't move smoothly. |
| A．a popular newspaper | B．a touching movie |
| C．a deadly disease | D．an interesting book |
| A．Crying is always beneficial to people. |
| B．Tear gas is strictly forbidden in any case after 1993. |
| C．Emotional tears only form in response to negative feelings. |
| D．It is socially acceptable for men to cry in medieval times. |
| A．A guidebook. | B．A chemistry paper. |
| C．A medical report. | D．A popular science magazine. |
