1 . Why do animals migrate or move? They do so to find a place that will offer better living conditions. Not all animals migrate, but those that migrate are attempting to help the survival of their species. There are a variety of reasons why animals leave. Some migrate to avoid weather changes. Some leave because of the food supply. Unlike humans who migrate because of relationships, job changes, or other social reasons, animals migrate to survive.

There are different types of migration, but one of the most interesting is the seasonal migration. In seasonal migrations, animals move twice a year. These movements usually occur due to changes in the seasons or in the weather. For example, some birds migrate away from colder regions to warmer weather and then come back to a place once the colder weather has passed.

How do animals know when it is time to migrate? Some animals do not leave an are until the environment changes and becomes a place that is not favorable for them to live. Other animals seem to have inborn systems that tell them when it is time to leave.

Animals that migrate use many different ways to successfully reach their destinations. Scientists believe animals’ senses play a huge role in helping them find their way. For example, salmon(三文鱼)are thought to recognize specific smells that help them. Others are thought to use even the sun, moon, and stars to help guide them on their journeys. Although the animals use different methods to migrate, one thing is the same: migration remains an important journey for the survival of many of Earth’s most amazing species.

1. What is the text mainly about?

A．Animals’ senses.	B．Animals’ habitats.
C．Animals’ migration.	D．Animals’ destinations.

2. Why do animals migrate according to the text?

A．To improve relationships.	B．To reach their destinations.
C．To live with other species.	D．To find better living conditions.

3. What can be known from the text?

A．Animals use the same method to migrate.

B．Animals may migrate for different reasons.

C．Animals are born to know where to migrate.

D．All migrating animals use the sun as a guide.

4. Where is the text probably taken from?

A．A history book.	B．A travel brochure.
C．A science magazine.	D．A financial newspaper.

2 . Several days of unusual warm weather in northern Greenland have caused rapid melting(融化). “Temperatures have been running around -12.2 ℃-15.5 ℃. It is warmer than normal for this time of year,” scientists said. The amount of ice that melted in Greenland between July 15 and July 17 alone—6 billion tons of water per day—would be enough to fill 7.2 million Olympic-sized swimming pools, according to the report from the National Snow and Ice Data Center. Put another way, it was enough to cover the whole state of West Virginia with a foot of water.

For the scientists out on the ice sheet(冰盖), the warmth has been alarming. “It really makes me anxious,” said Kutalmis Saylam, a scientist who is now working in Greenland. “Yesterday, we could hang about in our T-shirts, which was not really expected. Since Greenland holds enough ice, sea level would rise by 7.5 meters around the world if ice all melted.”

In 2020, scientists found that Greenland’s ice sheet had melted beyond the point of no return. “No efforts to prevent global warming can stop it from finally breaking into small parts,” said researchers.

Aslak Grinsted, a climate scientist, said that they were trying to get flights into the camp so they can ship out the ice cores(冰芯) they had recently collected. But the warmth is destabilizing the landing site. “The weather we are seeing right now is too hot for the ski-equipped planes to land,” Grinsted said. “So we store the ice cores in large caves we have made into the snow to protect it from the heat of the summer.” Scientists made use of the abnormal warmth while they were waiting, playing volleyball in their shorts on an ice sheet at the top of the world.

Grinsted referred to the temperatures as a heat wave, and noted that the possibility of temperatures getting this hot was clearly connected to global warming.

1. How does the author support the topic of paragraph 1?

A．By exploring reasons.	B．By making comparisons.
C．By designing the numbers.	D．By doing some experiments.

2. What did Kutalmis mean in paragraph 2?

A．He disliked wearing a T-shirt.

B．He worried about the warmth.

C．He was deeply impressed by the ice.

D．He was thirsty for enjoying the sea view.

3. What does the underlined word “destabilizing“ mean in paragraph 4?

A．Quitting.

B．Improving.

C．Sheltering.

D．Destroying.

4. What will the author probably do in the following paragraph?

A．Recommend visiting Greenland.

B．Describe how to ship out the ice core.

C．Call on people to protect the environment.

D．Plan to organize a sports meeting on ice.

3 . Chinese astronauts have successfully grown rice seedlings(幼苗)aboard the Tiangong space station and this experiment may offer key insights into how astronauts can grow food to support long—term space missions, experts said on Monday. This experiment is the first to produce the complete life cycle of the plant, which begins with a seed and ends with a mature plant producing new seeds.

The breakthrough was conducted in the Wentian space laboratory, which was launched into orbit on July 24, 2022. Three astronauts were conducting the experiment smoothly and testing the plants according to the plan.

“The rice seedlings are growing very well,” said Zheng Huiqiong, a researcher of the task, adding that the experiment also contained seedlings of a small flowering plant often used by scientists to study mutations(变异). “The astronauts will keep monitoring the plants, and if it is successful, they will collect the newly produced seeds and bring them back to Earth for further studies,” she noted

The flowering stage is crucial for plant reproductive development. “We want to investigate how microgravity can affect the plant flowering time and whether it is possible to use the microgravity environment to control the related process,” she said.

Since the 1980s, China has been taking seeds of rice and other crops to space to help them mutate and produce higher yields once they were planted on Earth. But growing rice in orbit is a different challenge due to the tough conditions of space such as microgravity and lack of air.   

Rice has been a main food for astronauts since the early days of space exploration. Freeze—dried chicken and rice was the menu for the Apollo 11 mission, which carried the first humans to land on the moon in July 1969.

“But if we want to land on and explore Mars, bringing food from Earth is not enough to provide for the astronauts’ long journey and mission in space. We have to find a food source for long term space explorations,” Zheng added.

1. What’s the significance of Chinese recent space rice experiment?

A．It enables human beings to move to another planet.

B．It helps people get a better idea of the human life cycle.

C．It inspires more other countries to do space explorations

D．It makes it possible to carry out long—term space missions

2. What does the underlined word “it” in paragraph 3 refer to?

A．The mutation.

B．The experiment.

C．The exploration.

D．The space mission.

3. Why have crop seeds been brought to space since the last century?

A．To promote genetic changes and increase crop harvest.

B．To figure out how to create an earth—like environment.

C．To study the impact of microgravity on crop growth.

D．To develop new crop species with strong ability to adapt.

4. Where is the text most probably from?

A．A medical report.	B．A fashion magazine.
C．A science newspaper.	D．A history book.

4 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

With high yield and superior quality, Chinese hybrid rice varieties have been introduced around the world,     1     (benefit) more people. The export of China’s hybrid rice technology started many years ago. In 1979, China provided hybrid rice seeds to another country for the first time, and 40 years later, in     2     (real), China’s hybrid rice has been planted in dozens of countries in the world.

In the past 40 years, Chinese scientists     3     (devote) to providing assistance to many other countries. China has trained more than 14,000 hybrid rice professionals for more than 80 developing countries through international training courses. This technology has spread     4     more and more places in the world so far.

Yuan Longping,     5     cultivated the world’s first high-yield hybrid rice strain not only earned respect from Chinese people but also the global community. His hybrid rice research has been     6     (entire) saving millions of people from hunger. Yuan’s dream was     7     (solve) the global food shortage and promote hybrid rice around the world. China has achieved     8     great wonder, feeding nearly one fifth of the world’s population with less than nine percent of the world’s total land. And China is     9     (will) to contribute to global food security and calls for joint efforts to end global hunger and poverty.

It     10     (believe) that Yuan’s dream will come true one day.

5 . A new study discovers that sharks do sleep, and they often sleep with their eyes open. Since some sharks have to swim constantly to keep oxygen-rich water flowing over their gills (鱼鳃), people have long thought that they don’t sleep at all.

Researchers from Australia have now recorded a species of shark sleeping for the first time, finishing the long-standing debate about whether sharks sleep. To see if sharks were in fact asleep, the team analyzed the metabolism (新陈代谢) and pose of seven draughtsboard sharks (猫鲨) over 24 hours. When the sharks were resting for five minutes or longer, their oxygen consumption dropped, which suggested the animals were sleeping. And the researchers also noticed that the sharks changed their posture by lying flat and closer to the ground.

The sharks sometimes slept with their eyes shut as well, though, mostly during the day. At night, they tended to keep their eyes open more often, leading researchers to suspect that the sharks’ eye closure might have more to do with light than the sleep state itself. “Not only are sleeping sharks less responsive to their surroundings, but they also have lower metabolic rate,” said Michael Kelly, an ecophysiologist at La Trobe University.

“Sharks are an important group as they are the oldest living jawed vertebrates (颌类脊椎动物) — a character they share with us,” Michael Kelly said. “Sharks have been swimming in the sea for over 400 million years and have evolved very little in that time. Understanding how and why these animals sleep will provide important understanding into the function of sleep and how the animal has evolved over time.”

The team points out that more research will be needed to see if other species sleep like the draughtsboard sharks. Next they plan to continue to analyze the sharks’ brain activity while they sleep, to learn more about their waking and resting states.

1. What is the previous misunderstanding about sharks?

A．They sleep with their eyes closed.

B．They breathe in flowing water.

C．They swim frequently at night.

D．They always stay awake.

2. What do researchers find about draughtsboard sharks?

A．They need to rest every five minutes in the sea.

B．They consume much less oxygen during the day.

C．They have the same pose when awake and when asleep.

D．They might close their eyes not to sleep but to avoid light.

3. What does paragraph 4 talk about?

A．The process of the research.

B．The negation of the research.

C．The significance of the research.

D．The introduction of the researchers.

4. What do the researchers think of their research in the last paragraph?

A．Insufficient.

B．Unrealistic.

C．Meaningless.

D．Inefficient.

6 . While broccoli(花椰菜) is typically considered a safe vegetable for dog, there are still risks that you should know about.

Is broccoli healthy for dogs? Generally, yes, broccoli is safe and even beneficial for your dog to eat, but it’s still a vegetable that you should only feed to your dog in moderation. When it comes to how healthy broccoli is for your dog, it has some benefits that you definitely want to take advantage of during snack time. Broccoli is filled with vitamins and minerals, low in calories and packed with fiber(纤维) to help the digestive(消化的) system. There’s a reason that it’s just as good for us as it is for dogs!

When giving your dog broccoli, it’s important that you always feed it to your dog plain—meaning you aren’t giving your dog broccoli that’s been seasoned or cooked in butter or oil. This is because spices(香料) and fats aren’t good for your dog and can cause an upset stomach.

Can dogs eat raw broccoli? Broccoli given in its raw form is fine, but cooked broccoli is more widely recommended since it’s easier for a dog to digest. While raw broccoli still contains beneficial vitamins and minerals, it can also be more difficult to digest. Raw broccoli can also be tough to chew on. Cutting the broccoli into smaller pieces, whether cooked or raw, will be much easier on your dog and ensure it passes through their digestive tract more smoothly.

Of course, it’s always best to talk with your veterinarian before(兽医) adding new foods to your pup’s(幼狗仔) diet. Your vet can give you a good idea on how much and how often your dog can enjoy broccoli.

1. What can we know about broccoli according to paragraph 2?

A．It isn’t good food for dogs.	B．It’s safe food to feed dogs.
C．It’s only fit as snacks for dogs.	D．It’s very rich in calories.

2. Why should we avoid feeding dogs with broccoli cooked in oil?

A．It’s bad for stomach.	B．It tastes very terrible.
C．It isn’t seasoned well.	D．It looks very ugly.

3. Why is it better for dogs to eat cooked broccoli?

A．Dogs will fall ill if eating raw broccoli.

B．Cooked broccoli contains more minerals.

C．Raw broccoli is hard for dogs to digest.

D．Dogs don’t like to chew on raw broccoli.

4. What is the best title for the text?

A．Can Dogs Eat Broccoli Safely?

B．Is Broccoli a Good Food?

C．Do You Feed Dogs Properly?

D．Do Your Dogs Like Broccoli?

7 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

A photography exhibition     1     (title) Blooming in the Sun is currently running at the September Art Gallery in Shenzhen and     2     (last) until September 30, 2022. The exhibition features     3     (photograph) of the Xihaigu area in the Ningxia Hui autonomous region. It is     4     largely mountainous region that     5     (identify) as the “most unfit place for human settlement” by the United Nations in 1972, due to its barren and dry land and fragile ecological environment.

The pictures on display are from four photographers—Xie Hong, Li Qiang, Hai Yang and HuGuoqing,     6     were once schoolmates majoring     7     photography at Wuhan University. They use cameras to record this remote and impoverished area from different angles,     8     (give) this place a new life. The drought brings harsh     9     (nature) conditions, but people still live     10     work here, just like the sunflowers blooming in the sun.

8 . Madhavan stood proudly next to a young mahogany (红木) tree. It’s one of 100 he planted on his _________ in Meenangadi. His two _________ of land in the village are used to plant _________ crops—coffee, black pepper and betel nut, but the worsening environment has _________ his production.

Now the mahogany _________ is one of his only reliable sources of income, _________ him up to 5,000 rupees (卢比) a year—and all he has to do is to keep the _________ standing.

The 84-year-old _________ is being paid to plant and _________ trees through a “tree banking” program, which __________ to create India’s first carbon-neutral (碳中和) village by 2025.

Madhavan got his saplings (树苗) __________ from the village council (村委会)，which will lend him 50 rupees per __________ for every year if he does not __________ it down until 2031. At that point, the loan is written off (一笔勾销) and he can do what he likes with the trees without __________ back, including cutting them to __________ and make money.

“Every morning, I spend some time __________ these trees. I am really happy to say that except for three which died __________, all are steadfastly growing,” Madhavan said, “Sooner or later, my farm will become a small __________ filled with greenery.”

The tree-banking project gives farmers an ongoing __________ to protect trees so as to make the climate better, said Jayakumar, director of the carbon-neutral program. “The message here is that climate __________ is being linked with climate justice (气候正义), he said.

1.

A．travel

B．right

C．way

D．farm

2.

A．kingdoms

B．acres

C．inches

D．tons

3.

A．rare

B．beautiful

C．healthy

D．commercial

4.

A．stimulated

B．increased

C．lowered

D．started

5.

A．planting

B．cutting

C．collecting

D．renting

6.

A．waking

B．earning

C．selling

D．saving

7.

A．trees

B．villagers

C．rupees

D．crops

8.

A．driver

B．teacher

C．farmer

D．worker

9.

A．change

B．purchase

C．protect

D．remove

10.

A．refused

B．hesitated

C．pretended

D．aimed

11.

A．in panic

B．for sure

C．in relief

D．for free

12.

A．person

B．family

C．tree

D．day

13.

A．write

B．cut

C．roll

D．bring

14.

A．paying

B．coming

C．driving

D．going

15.

A．eat

B．sell

C．paint

D．show

16.

A．looking after

B．cutting down

C．climbing up

D．picking out

17.

A．hopefully

B．directly

C．heavily

D．naturally

18.

A．grassland

B．house

C．forest

D．ground

19.

A．right

B．motivation

C．fear

D．dream

20.

A．disaster

B．choice

C．style

D．change

9 . Biologist Marc Bekoff studies dogs, wolves and coyotes.     1    . If they’re in the same pack, animal friends may sleep close to one another. They greet one another, travel together, share food and groom each other. Animal friends are nice to one another, and they even play together.    2    .

Playing together, for instance, helps animals bond and keeps them close to the group. “Coyote pups who don’t play together are more likely to go out on their own.    3    .” says Bekoff. “If an animal has a special friend, both friends benefit by having someone to watch out for them.”

    4    . When a young rhinoceros sets out on its own for the first time, it may look for an older travel friend, and this companion helps to find food and water and avoid predators. Young male elephants hang out together when they leave their mothers’ herds, and young dolphins do, too. Pairs of bottlenose dolphins sometimes form strong bonds and pal around together for years. Among chimpanzee groups, some pair up to groom each other, hunt together, share food and defend each other from danger.

Why do animals have friends? “Mainly because in the long run they benefit from friendships,” scientist Franz de Waal says. “It is all give and take.    5    .”

A．Young animals often team up for protection

B．He believes that many animals do have friends

C．He thinks that many animals seldom have friends

D．Therefore, playing together sometimes is harmful

E．And leaving the protection of the group can be dangerous

F．This friendly behavior can be important to an animal’s survival

G．Sometimes one gives more, the other takes more, but in the end both parties gain

10 . As the major habitat of wild Asian elephants, Xishuangbanna Dai autonomous prefecture (自治州) in Yunnan province has seen a growth in its population of elephants in recent decades.

On the one hand, the prefecture has made more than 20 rules and laws to further ________its environment and wildlife, which has contributed to the ________ population of wild animals.

On the other hand, business ________ are now not allowed in all of the prefecture’s nature reserves.

All of the Asian elephants in Yunnan ________ in the southern part of the province, which covers Xishuangbanna, and the cities of Pu’er and Lincang. To protect the Asian elephant, the prefecture ________ the area of its nature reserves, which has ________doubled from 24,000 hectares (公顷) in the 1980s to 41,466 hectares now.

In 1996, a Wild Asian Elephant Valley was built as the prefecture’s biggest wild animal ________ center. So far, more than 1,200 animals have been saved at the ________ In 2008, China’s first Asian elephant breeding (繁殖) base was also ________in the valley.

An increase in the ________of elephants is from decades-long ________protection. According to Dong Yonghua, the growing number of elephants means there is a ________need for living space for the species. “About 25 years ago, elephants could be seen only in Xishuangbanna and Lincang. Now, Pu’er has also become one of their ________” he said.

________, the prefecture has built several areas to provide ________ food resources for elephants in recent years.

1.

A．damage

B．protect

C．use

D．show

2.

A．less

B．decreasing

C．growing

D．small

3.

A．activities

B．provinces

C．ideas

D．cities

4.

A．live

B．struggle

C．eat

D．walk

5.

A．lessened

B．enriched

C．expanded

D．limited

6.

A．only

B．hardly

C．nearly

D．immediately

7.

A．study

B．training

C．data

D．rescue

8.

A．center

B．town

C．process

D．area

9.

A．destroyed

B．built

C．recorded

D．changed

10.

A．part

B．resources

C．base

D．population

11.

A．disappointing

B．water

C．successful

D．land

12.

A．worse

B．greater

C．smaller

D．smarter .

13.

A．lab

B．habitat

C．interest

D．hope

14.

A．To begin with

B．To sum up

C．In a word

D．What’s more

15.

A．enough

B．rare

C．few

D．cheap