Unit 1
一、根据句意和首字母提示写单词。
1. Beijing is a huge city with a big p .
2. The baby weighed three kilos at b .
3. Our teachers always ask us to take n in class.
4. Population I is a big problem in many countries.
5. The boy was naughty and he used to c so many problems.
二、用所给词的适当形式填空。
1. Half of the population in the city (be) workers
2. You know, our final exam of this term (come) up next month.
3. How about (go) to America this term.
4. The population of Beijing (be) about 13,000,000.
5. The (increase) price of meat takes us much trouble.
三、翻译句子。
1. 最后的费用可能高达十亿美元。
The final cost could be as much as .
2. 不断增多的人在做兼职。
A of people are taking part-time jobs.
3. 萨莉在接另一个电话，请您稍等一下可以吗？
Sally’s on the other phone. Would you please ?
4. 玛丽是一个18岁的女孩。
Mary is girl.
5. 人群向前移动，谁也没试图阻止。
_____________________ moved on, and no one stop it.
四、 完形填空
here are many kinds of pollution around us, 1 air pollution, soil pollution, noise pollution and light pollution. They are bad__2__ our health in many ways.
Burning gas, oil and coal creates air pollution. It can cause some eye and breathing problems.
With the 3 of pollution and the development of industry, litter is everywhere. It makes our environment dirty. People put lots of rubbish in the land. Farmers use too many __4___ in the fields. They destroy the soil. So soil pollution has become serious.
Noise pollution can make people__5__. For example, people may lose their hearing if they work in a _ 6 _ place for a long time. Too much noise can cause high blood pressure __7__.
Working for a long time in strong, changeable light _ _8__ cause some kinds of illnesses. It makes people feel __9__ and is especially bad for the eyes.
With __10 _ pollution, our planet will become greener and our health will be better. Let’s be greener people.
1. A. such as B. for example C. as well as D. because of
2. A. to B. in C. for D. of
3. A. increases B. increasing C. increased D. increase
4. A. chemical B. chemicals C. chemist D. chemistry
5. A. blind B. fit C. deaf D. healthy
6. A. noise B.noisy C. quiet D. quietly
7. A. as well B. too C. also D. either
8. A. must B. need C. should D. may
9. A. comfortable B. possible C. terrible D. happy
10. A. little B. less C. few D. fewer
