人教新课标英语必修三UNIT4课下作业

人教新课标 必修三Unit4课下作业

Part 1 Warming Up, Pre-reading, Reading and Comprehending

I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。

1. How quickly a fuel burns depends on how well it is mixed with ______ (氧气) or air.

2. ______ (天文学) served many purposes. For example, it was needed to keep a calendar.

3. What advantages can you find in the present ______ (体系) of our education? 4. Only in a few western countries does ______ (宗教信仰) remain an important power in politics.

5. Our teachers always pay attention to combining ______ (理论) with practice. 6. His niece is interested in studying the ______ (地球仪) in her spare time. 7. My grandpa is fond of the a______ of peace and calm in the country. 8. If you m______ four by five, the answer is twenty.

9. I bought this loaf of bread in the ______ (连锁) store opposite the post office. 10. If the temperature is low enough, solid carbon dioxide can ______ (存在) at room pressure.

II. 用所给词的适当形式填空。

1. More ______ (violence) scenes in the film were cut when it was shown on television.

2. Some understanding of grammar is ______ (fundament) to learning a language. 3. It is generally accepted that smoking is ______ (harm) to our health.

4. Mary was reading a poem with a ______ (puzzle) expression on her face. Its deeper meaning remained a ______ (puzzle) for her.

5. One day while we were ______ (lie) in the bed, my son ______ (lie) to me that he ______ (lay) the eggs that the hen had just ______ (lay) on the table. I knew he was telling a ______ (lie) because we didn’t raise any hens. III. 用适当的介词或副词填空。

1. If everything goes according ______ plan, I shall be back before dark. 2. Frogs are not only able to live ______ land but also ______ the water.

3. When the fire broke ______ in the shop, the people lost their heads and ran ______ all directions.

4. On my way home, I came across a car, which raised a cloud ______ dust as it went by quickly.

5. Some policemen were sent there to prevent the villagers ______ cutting down the trees.

IV. 选用下列合适的短语并用其适当形式填空。

as a result of, escape from, lay eggs, cool down, depend on, in time

1. At 25, 000 miles per hour our rocket will ______ the earth’s pull. 2. A bird _____ in the nest it has built.

3. It took Charles a long time to ______ after the heated argument.

4. You must bear in mind that your parents hope to ______ you to become a good doctor.

5. John was injured on his way to school ______ his careless riding of his bicycle. 6. Do you think we’ll be ______ to catch the train to go to Paris? V. 根据汉语提示，完成下列句子。

1. Ways must be found to ______________ (阻止有毒气体污染空气).

2. James Watt’s taking notice of steam coming from boiling water ______________ (产生) the idea of the steam engine.

3. What I want to know is ______________ (是否) you have lost faith in me. 4. They handed in their exercises just ______________ (及时让老师去批阅). 5. The couple brought up their children on a small income. Now ______________ (轮到他们的孩子了), they should look after their elder parents. Part 2 Learning about Language

I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。

1. ______ (生物学) is the science which is concerned with the study of living things. 2. As you go up a mountain, you have to overcome the earth’s g______ which pulls you down.

3. China successfully sent up its first man-made space ______ (人造卫星) on April 24, 1970.

4. The policemen were sent to find the black box because it showed why the plane had ______ (坠毁).

5. The United Nations World Food Program says potatoes can grow in almost any ______ (气候).

II. 用所给词的适当形式填空。

1. ______ (culture) exchanges are a way of building bridges between nations. 2. A ______ (physics) is a person who studies physics or whose job is connected with physics.

3. It is ______ (fair) that he gets very little in reward for his hard work. 4. If one loses ______ (confident), he can never be expected to do his work well. 5. There was a slight wind that ______ (gentle) moved the leaves on the trees. III. 用适当的连接词完成下列句子。

1. ______ will be chosen to be our new monitor remains to be seen. 2. ______ gun powder was first invented by the Chinese is known to us all. 3. It is certain ______ you will be able to make great progress in learning English. 4. ______ seems easy to some people seems difficult to others.

5. ______ we will hold an English party in the open air next Sunday depends on the weather.

6. It has become widely accepted ______ one glass of red wine per day is good for your heart.

Part 3 Using Language

I. 选用下列合适的词或短语并用其适当形式填空。

make a trip, cheer up, as if, float, get the hang of,

block out, have a chance, get close to

1. I’m very happy to ______ to visit your school and make some friends.

2. English has become an international language. If you know English, you can ______ round the world without being misunderstood.

3. Today more and more people would like to ______ nature to relax themselves. 4. From time to time, the young man turned around ______ he was searching for some important things.

5. After several years of practice, I think I will finally ______ spoken English. 6. We put a curtain across the window to ______ the sunlight. 7. You can ______ very easily in the Dead Sea because it’s so salty.

8. —I’m thinking of the driving test tomorrow. I’m afraid I will have difficulty in passing it.

—_____. I’m sure you will succeed. II. 单句改错。

1. Would you please explain me the meaning of product buy-back?

2. It was the end of my exhausted first day as a waitress in a busy New York restaurant.

3. I was amazing at her ability to deal with the difficult situation at such a young age. 4. My brother has never been abroad before, so he is finding this trip very excited. 5. The children also put on strange masks and frightened clothes every Halloween. 6. It is known to us that reading books widen our knowledge. 7. He spent the whole afternoon pull weeds in the garden. III. 根据括号内的提示翻译下列句子。

1. 这对夫妇看起来不高兴，因为昨天晚上他们发生了争吵。(break out) 2. 你爬山的时候要当心野兽。 (watch out for)

3. 你既然已完成了工作, 就应该好好休息一下。(now that) Keys: Part 1: I. 1. oxygen

2. Astronomy 3. system

6. globe

4. religion 5. theory

7. atmosphere 8. multiply 9. chain