阅读填词。阅读短文，根据其内容图表中的空格里填入一个恰当的单词。
New Energy in Twenty-first Century
Energy from the wind
Wind is a kind of clean energy, and there is lots of it. But if there’s no wind, there is no wind energy.
Energy from the water.
When water movers from a high place to a lower place, it can make electricity without pollution. However, people have to build dams(水坝), to use this energy, and building dams is very expensive.
Energy from the earth.
There is heat in the rocks under the earth. Scientists use the heat to make geothermal(地热的)energy. This kind of energy is cheap, but it is is only possible in a few places in the world.
Energy from the sun.
Solar panels on the roofs of houses can turn energy from the sun into electricity. Solar power is clean and plentiful. But when the weather is bad, it doesn’t work.
New 1. in 21C | Adervantage | Disadervantages (缺点) |
Wind energy | A kind of 2. energy | If there is no 3. ,there is no wind energy. |
4. energy | Water movers can make electricity without 5. | Building dams is not 6. |
Geothermal(地热的)energy | The 7. in the rocks under the earth can make energy. | Only 8. in a few places |
Solar energy | Solar power is clean and 9. | When the 10. is bad, it doesn’t work. |
用所给动词的适当形式完成短文。
Jane Scott is fourteen years old and last year she 1. (begin) to study in a middle school. She likes 2. (dance) and singing and spends a lot of time a 3. (practise) them. But she hates math and 4. (not study) hard at it. She thinks it difficult 5. （learn） math. Once she failed the math exam. And now she decides 6. （give）it up. Her father was angry with her when he knew about it.
根据句意，用所给单词的适当形式填空。
1.He doesn't know the ______(important) of life.
2.When Miss Li heard the bad news, she cried (sad).
3.Every year there are many (tour) visiting the Great Wall.
4.Some (hunt) kill bears for their paws.
5.Peter came to China in 1998, he became (interest) in Chinese history.
选出方框内的单词或词组填空，其中有一个单词或词组是多余的
provides in danger live on perfect change describe |
1.If we don't protect the birds, they will be ________
【小题2 Zhalong is one of the world’s most importantwetlands because it _________ food and cover for fish and birds.
2.If we want to learn English better, remember “Practice makes .
3.As we know, tigers meat.
4.Look at some pictures of different kinds of birds carefully, then __________ them.
If we find a bird nest(巢), we will have a good place of observing(观察) and knowing about birds.
Birds sit on eggs and take care of their baby birds from April to June. Because the baby birds are too young to leave the nest, mothers often leave and come back to the nest during the time to look for food. So it is good to observe birds. When we observe birds, we’d better hide ourselves in a close place to the nest, and it’s better to use binoculars(双筒望远镜).
But how to make a bird nest? It’s very easy. If you want to make one, please follow these:
Making a nest: A good nest must be very fine, strong, thick and easy.
a) Each nest must have six boards. Don’t make the boards too slippery.
b) Dig a small hole in the front of the nest as a door. The “door” is from 3cm to 5cm. So the bird can fly in or out easily.
c) Make sure the rainwater doesn’t go into the nest.
d) One piece of the boards should be easy to open.
e) Please don’t forget to color the nest.
1. The most important thing in observing birds is to ______.
A. look for a place near the nest B. climb trees
C. write down notes every day D. make a bird nest
2.When we’re observing birds, we have to hide ourselves to ______.
A. look after them
B. use the binoculars
C. make them do everything as usual
D. catch the birds at last
3.We should leave a hole in the front of the nest so that ______.
A. we can clean the nest
B. the birds can fly in or out
C. we can hang it easily
D. it’s easy to make
4. What’s the title of this passage?
A. Birds and men
B. Playing with the birds
C. Observing birds and making bird nests
D. Listening to the songs of birds
]
Do you think of white when someone talks about a polar (北极)bear? In fact, the polar bear does not have white fur. It just appears to be white. Polar bears have a very good sense of smell. It helps them to find food. During summer, polar bears sleep longer, because they are able to find their food more easily at night. Usually, after a meal, polar bears have a short sleep. A polar bear can have 2-3 babies at a time. They live with their mothers until they are about two and a half years old.
However, polar bears will die out soon because of people. There are only 20,000 to 25,000 polar bears in the world. The ones that are left are trying to survive today. The number of polar bears is becoming smaller and smaller because of the loss of sea ice— polar bears mostly inhabit (居住于) the sea ice, not the land ice. This is happening because of global warming (全球气候变暖), pollution, hunting and so on.
Ordinary people don't care, but great people have the power and want to save tigers, fight for giant pandas and save polar bears. Ordinary people will wait, but great people will find a new world. For me, I will not wait. I will take the bus more often from now on. Join me and save the polar bears, and of course, the tigers, the giant pandas and...
1. According to the passage, which of these answers does NOT make sea ice less?
A. Global warming. B. Pollution.
C. Hunting. D. Travelling.
2. What does the word "ordinary" mean in Chinese?
A. 勤劳的 B. 聪慧的 C. 普通的 D. 坚强的
3.What is the main idea of this passage?
A. To show that the number of polar bears is getting smaller.
B. To tell people that polar bears will soon have nowhere to live.
C. To let people know why polar bears are in danger.
D. To talk about polar bears and suggest that people protect animals.
4. Where can this passage come from?
A. A magazine about animals.
B. A book about greetings.
C. A poster about working plans.
D. An instruction book.
