8. A. now B. in the past C. in the future D. then

9. A. hoped B. expected C. wished D. looked forward to

10. A. place B. time C. rate D. result

11. A. it B. there C. they D. that

12. A. coal B. oil C. mines D. resources

13. A. missed B. rich C. gone D. enough

14. A. problem B. power C. plan D. idea

15. A. food B. electricity C. energy D. materials

16. A. past B. present C. future D. slow

17. A. Already B. Yet C. Still D. Often

18. A. villages B. mountains C. cities D. farms

19. A. grows B. lives C. keeps D. depends

20. A. in B. of C. to D. with

[答案与解析]

1. A。供应人们必需品,应选needs。2. C。导致进一步或更大程度的污染,应选further。3. D。从后文increase和present rate来看应选速度。4. B 5. A。根据本文重点词"人口增长"的重复,重述应选increase。6. C 7. D。根据上下文的指代关系此处应用It。8. A。这一节主要讲过去的人口状况、现在的人口状况以及未来的情况。所以,应选now。9. B。根据意义选择词汇,"预计在2000年人口要翻倍",应选expected。10. C。根据上文的at the present rate,本题应选rate。11. B。此处为there be句型。 12. D。人类一直在使用地球的资源,而不仅仅是石油和煤,应选resources。13. C 14. A。根据下文"怎样控制人口的增长"应选problem,因为这的确是最大难题。15. D。不仅仅是食物、电和能源而且还有许多东西不能满足人口的增长,应该选materials。16. B 17. A 18. C 19. D。depend on意为"依靠、依赖"。20. C。to表示所属关系,常与answer, entrance等名词连用。

完型填空练与析

作者：常明

Every Chinese-language textbook starts out with the standard phrases for greeting people; but as an American, I always found myself __1__ to speak freely when it came to seeing guests off at the door. Just a good-bye would not do, yet that was all I had ever learned from the __2__ books. So I would smile and nod, bowing like a Japanese and searching madly for words that would __3__ over the visitor's leaving and make them feel they would be __4__ to come again. In my unease, I often hid behind the skirts of my Chinese husband's kindness.