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1、独家内部宝典资料独家内部宝典资料http:/ 考试真题考试真题http:/ 年年 GCT 考试英语完型填空练习（考试英语完型填空练习（5）In the past few decades, remarkable findings have been made in ethology, the study of animal social behavior. Earlier scientists had 1 that nonhuman social life was almost totally instinctive or fixed by genetics. Much more careful
2、 obserration has shown that 2 variation occurs among the social ties of most species, showing that learning is a part of social life. That is, the 3 are not solely fixed by the genes. 4 , the learning that occurs is often at an early age in a process that is called imprinting. Imprinting is clearly
3、_5_ instinctive, but it is not quite like the learning of humans; it is something in between the two. An illustration best 6 the nature of imprinting. Once, biologists thought that ducklings followed the mother duck because of instincts. Now we know that, shortly 7 they hatch, ducklings fix 8 any ob
4、ject about the size of a duck and will henceforth follow it. So ducklings may follow a basketball or a briefcase if these are 9 for the mother duck at the time when imprinting occurs. Thus, social ties can be considerably 10 , even ones that have a considerable base fashioned by genetics.1. A. ossum
5、ad B. adopted C. believed D. surmised2. A. considerate B. considerated C. considerable D. considering3. A. statues B. statuses C. statutes D. statures4. A. Whats more B. Hence C. But D. However5. A. not B. only C. but D. solely6. A. clarifies B. classifies C. defines D. outlines独家内部宝典资料独家内部宝典资料http:
6、/ 考试真题考试真题http:/ A. than B. before C. when D. after8. A. on B. with C. in D. within9. A. appropriated B. substituted C. assigned D. distributed10. A. varied B. deviated C. differed D. altered答案：A C B D AA D A B Dhe first and smallest unit that can be discussed in relation to language is the word. In
7、 speaking, the choice of words is _1_ the utmost importance. Proper selection will eliminate one source of _2_ breakdown in the communication cycle. Too often, careless use of words _3_ a meeting of the mind of the speaker and listener. The words used by the speaker may _4_ unfavorable reactions in
8、the listener _5_ interfere with his comprehension; hence, the transmission-reception system breaks down._6_ , inaccurate or indefinite words may make _7_ difficult for the listener to understand the _8_ which is being transmitted to him. The speaker who does not have specific words in working vocabu
9、lary may be _9_ to explain or describe in a _10_ that can be understood by listeners.l. Aof Bat Cfor Don2. A inaccessible B timely C likely Dinvalid独家内部宝典资料独家内部宝典资料http:/ 考试真题考试真题http:/ A encourages B prevents C destroys Doffers4. A pass out B take away C back up Dstir up5. A who B as C which Dwhat6. A Moreover B However C Preliminarily D Unexpectedly7. A that Bit C so D this8. A speech B sense C message D meaning9. A obscure B difficult C impossible D unable10. A case B means C method D way答案：A C D C CA B C D D更多相关信息可以关注新阳光教育网 WWW.XYG100.COM【新阳光】更多相关信息可以关注新阳光教育网 WWW.XYG100.COM【新阳光】
