1、大學英語（1）第一次網絡作業(三次網絡作業的平均成績占期末考試成績30%，請大家在認真復習好大學英語課本第一冊第1-2單元的課文、詞匯與短語后完成如下作業；作業一經批改評分，將不能修改；此次作業完成后應交到“在線作業”一欄本次作業界面中；作業必須按最后一頁答卷表格格式作答，不要以附件形式繳交)一. 閱讀：（ 1 ）The worlds population continues to grow. There now are about 4 billion of us on earth. That could reach 6 billion by the end of the century an

2、d 11 billion in a further 75 years. Experts have long been concerned about such a growth. Where will we find the food, water, jobs, houses, school and health care for all these people?A major new study shows that the situation may be changing. A large and rapid drop in the worlds birth rate has take

3、n place during the past 10 years. Families generally are smaller now than they were a few years ago. It is happening in both developing and industrial nations.Researchers said they found a number of reasons for this. More men and women are waiting longer to get married and are using birth control de

4、vices and methods to prevent or delay pregnancy. More women are going to school or working at jobs away from home instead of having children. And more governments, especially in developing nations, now support family planning programs to reduce population grow.China is one of the nations that have m

5、ade great progress in reducing its population growth. China has already cut its rate of population growth by about half since 1970.Each Chinese family is now urged to have no more than one child. And the hope is to reach a zero population growth with the total number of births equaling the total num

6、ber of deaths by the year 2000.Several nations in Europe already have fewer births than deaths. Experts said that these nations could face a serious shortage of workers in the future. And the persons who are working could face much higher taxes to help support the growing number of retired people.1.

7、 The worlds population could reach _.a. 6 billion in 75 yearsb. 11 billion in 2075c. 11 billion by the end of this centuryd. 600 million in 15 years2. Which of the following is true?a. The worlds birth rate is higher than ten years ago.b. There has been a slower population growth in the past ten yea

8、rs.c. Families are as large as before.d. Birth control has been well practiced in all nations.3. By the year 2000, the number of births and the number of deaths in China will _.a. be greatly differentb. drop a great dealc. be equald. become much larger4. According to the essay, Chinas population con

9、trol _.a. is not quite successfulb. should be considered a big successc. is far from being successfuld. is a complete failure5. It may happen in the future that the people who are working in Europe will have to pay much higher taxes because_.a. more and more children will be born b. the number of re

10、tired people will become ever largerc. fewer and fewer children will be bornd. they will be making a lot of money ( 2 )I arrived in the United States on February 6,1966, but I remember my first day here very clearly. My friend was waiting for me when my plane landed at Kennedy Airport at three ocloc

11、k in the afternoon. The weather was very cold and it was snowing, but I was too excited to mind. From the airport, my friend and I took a taxi to my hotel. On the way, I saw the skyline of Manhattan for the first time and I stared in astonishment at the famous skyscrapers and their man-made beauty.

12、My friend helped me unpack at the hotel and them left me because he had to go back to work. He promised to return the next day.Shortly after my friend had left, I went to a restaurant near the hotel to get something to eat. Because I couldnt speak a word of English, I couldnt tell the waiter what I

13、wanted. I was very upset and started to make some gestures, but the waiter didnt understand me. Finally, I ordered the same thing the man at the next table was eating. After dinner, I started to walk along Broadway until I came to Times Square with its movie theatres, neon lights, and huge crowds of

14、 people. I did not feel tired, so I continued to walk around the city. I wanted to see everything on my first day. I knew it was impossible, but I wanted to try.When I returned to the hotel, I was exhausted, but I couldnt sleep because I kept hearing the fire and police sirens during the night. I la

15、y awake and thought about New York. It was a very big and interesting city with many tall buildings and big cars, and full of noise and busy people. I also decided right then that I had to learn to speak English.6. On the way to his hotel, the writer _.a. was silent all the timeb. kept talking to hi

16、s friendc. showed his friend something he brought with himd. looked out of the window with great interest7. He did not have what he really wanted, because _.a. he only made some gesturesb. he did not order at allc. the waiter was unwilling to served. he could not make himself understood8. The waiter

17、 _.a. knew what he would orderb. finally understood what he saidc. served the same thing the man at the next table was havingd. took the order through his gestures9. After dinner, he _.a. walked back to the hotel right awayb. went to the moviesc. did some shopping on Broadwayd. had a walking tour ab

18、out the city10. That night he could not sleep, because _.a. he did not know what to do the next dayb. he was not tired at allc. he was thinking about his great cityd. he kept hearing the fire and police sirens二. 介詞填空: （按課本課文內容填入適當的介詞）11. Successful language learners are learners _ a purpose.12. Successful language learners are independent learners. They do not depend _ the book or the teacher.13. It is just like a 24-hour library, which enables us to search _ the right information we need by simply typing in some key words.14. It is necessary for them to learn the language in ord