题目内容
We clean the windows ______ a week.
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A. twice B. two time C. for two times D. the second time
Earth Day is April 22. But on all other days, we must also remember how important water is. The water that we use is the most important natural resource on the earth. Today we face serious water problems. One of them is water pollution. All kinds of things from cars, factories, farms and homes make our rivers, lakes and oceans dirty. Polluted water is very bad for people to drink. And dirty water is bad for fish, too.
How do cars and factories make our water dirty? First they pollute the air. Then when it rains, the rain water makes our drinking water dirty. Dirty rain, called acid rain is also bad for plants, animals and buildings. Scientists say that in 30 years, more than half of the people in the world won’t have enough clean water. We have to learn how to stop wasting water. One of the first steps is to develop ways of reusing it. Today in most large cities, water is used only once and then sent out into a sewer system (下水道). From there it returns to the sea or goes underground.
But even though every large city reused its water, we would still not have enough. So we should make use of sea water by removing the salt in it. If we can take these steps, fresh water won’t be used up.
【小题1】The world is thirsty for water because _______.
| A.we don’t have enough fresh water | B.a lot of water goes into sewer systems |
| C.only 70% of the earth’s surface is water | D.sea water is widely used rather than fresh water |
| A.is only bad for living things | B.is not bad for buildings and factories |
| C.can be produced in factories | D.is bad for people, animals, plants and buildings |
| A.use the water with salt in it | B.remove the salt from sea water |
| C.get water from underground | D.reuse the water in cities |
| A.Fresh water and sea water | B.A thirsty country |
| C.The importance of water | D.The world’s water problem |
Why are you always tired, do you know?
First, if(如果) we can’t 31 well, we will(将) be tired. But we are often too 32 . We can’t finish our work in the day 33 we have to do it at night. We go to bed 34 and we get up early in the morning for school or work. Most people need at least(至少) eight 35 or some more. If we sleep for only five or six hours a night, we will be tired.
Second, when we are ill, we will be tired. But we don’t know we are ill. So if you are always tired, maybe you are not so 36 . You’d better go to see a 37 .
Third, maybe you eat 38 food, like hamburgers, meat, chocolate or coffee. If you are ill and tired after eating some food, please don’t eat it 39 to see if you are well.
At last, if the air around you isn’t nice and clean, you will feel tired. So please open your windows often or go out for a walk and you will feel 40 .
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Dear Nancy
I am happy to tell you my school and my life. Every day my father drives me to school. My school is very big and beautiful. I like my school very much. The desks and chairs are new. There are lots of pictures on the walls. You can also see some flowers on the teachers’ desk. We clean the classroom every day.
I don’t go to school on Saturday and Sunday. I get up at six on Saturday. I play basketball with my father in the park near my home for half an hour. Then I eat my breakfast. I help my mother water the trees and flowers in the garden. At eight I begin to do my homework. My parents and I have lunch in the KFC. In the afternoon. I have Art lessons. Sometimes I play computer games or chat with my friends on the Internet in the evening.
I like my weekend very much.
Yours
Li Hua
| Who is the letter from? | It tells about Li Hua’s school and 1 . |
| 2 does Lihua go to school every day? | He goes to school by 3 with his father every day. |
| What is his school like? | It’s big and beautiful. |
| What does he usually do at weekend? | He often 4 basketball with his father and helps his mother water the trees and flowers in the garden. |
| When does he do his homework on Saturday? | He does his homework in the 5 . |
| How can he chat with his friends? | He can chat with his friends on the Internet. |