Mr. Wang loves c 1. stamps. It not only brings him h 2. but also know him know a lot about history. Last year he 3. （买） a set of four stamps to remember the great book Master Sun’s Art of War. This book is one of the e 4. and the most important military (军事的) books in the world. The book is 5. useful and important that it’s known by many other countries in the world. The face values(面值) of the 6. were 20，30，60 fen and one yuan, but Mr. Wang spent about 2,000 yuan 7. them. He often 8. the fun of collecting stamps with his friends. He says,“I am very happy 9. I’m looking at my stamps. They let me know more about the history of our country and make more 10. .”
1.我们应当总是保持我们教室干净，空气清新。
We should __________________________ and the air fresh all the time.
2. 他们喜欢随着音乐跳舞。
They are ________________________ music.
3.在孙杨五岁的时候，他就开始练习游泳。
________________________________ ，Sun Yang started practicing swimming.
4. 努力地保持冷静是地震中所要做的最重要的事。
Trying to stay calm is ________________________________ to do in the earthquake.
5. 农民工在城市建设中，扮演者重要的角色。
Peasant-workers _______________________________ in building the cities.
6.我确信我们的祖国会越来越强盛。
___________________________ our motherland will become stronger and stronger.
1.. He used to walk a pet dog. （改为否定句）
He _______ _______ _______ walk a pet dog .
2. Jackie Chan is very handsome.（改为感叹句）
_______ _______ Jackie Chan is!
3.. I was making model planes when my mother came back. （对画线部分提问）
_______ _______ _______ _______ when your mother came back?
4. Tom wasn’t old enough to go to school. (同义句转换)
He was _______ _______ _______ go to school.
1.He was so thankful to me that he _______ (shake) my hands without saying a word.
2.Our teacher Mr. Wang often cheers us on,“Work hard and a brighter future will _______ (appear) in front of you!”.
3.I have two _______ (dictionary). One is English-Chinese, the other is Chinese-English.
4.Many students can’t look after _______ (they) without the help of their parents.
5.As students, we should stay away from_______ (health) food and websites.
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 moves from a high place to a lower place, it can make electricity(电）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 only possible in a few places in the world.
Energy from the sun
Solar panels (太阳电池板) on the roofs of houses can turn energy from the sun into electricity. Solar power is clean and plentiful(丰富的), but when the weather is bad, It doesn't work.
根据阅读填空，每空一词。
New Energy in Twenty-first Century | ||
Energy | Advantages | Disadvantages |
Wind Energy | Clean | There is a lot. It needs 1. _______ |
Water Energy | 2.No__________ | It is 3._____________ |
Geothermal Energy | 4.__________ | only possible in a few places |
Solar Energy | Clean and plentiful | It depends too much on good 5._________ |
We sometimes call the lion “the king of the jungle” because it is stronger and more dangerous than other animals. 1. It is the highest animal in the land food chain.
In the sea, the shark is one of the animals at the top of the food chain. It can swim faster than most other sea animals. 2.
3.. People are ！We are not the biggest and fastest, but we are the cleverest. We could not run faster than cheetahs(非洲豹), so we invented cars and now we can move the fastest. We could not fight better than lions, so we invented guns. Now we can hunt the best. People’s inventions are clever, but they can be dangerous ,too . For example, people invented factories, and now they make the air and rivers dirty. 4. Dirty rivers kill fish, then bears can not eat the fish and die. If we kill one part of the food chain , other parts also die. Remember that we are part of the food chain , so we are in danger, too！5. We should and we could do something for the world.
阅读短文，把A-E句子填入文中空缺处，使文章意思完整。
A. Protecting animals is protecting ourselves ！ B. And it can use its big teeth to eat them. . C. This can make terrible changes. D. What is at the top of the world’s food chain ? E. It can run faster than many animals and it can hunt the best . |
