21. A. disaster　　　 B. accident　　　 C. incident　　　　　 D. experiment

52.A．in a word　　 　B．without a word　 　C．at a word　　　 　D．beyond words

53A．that　　　　　 　B．which　　　　　 　C．what　　　　　 　　D．不填．

54A. the lonelier and weaker　　　　　　　 　B．lonelier and weaker　　　　

　 C．happier and healthier　　　　　　　　 　D．the happier and healthier

55A. study well　　 　　B．studying well　　 　C．study good　　　 　D．studying good

答案　 36-40 BCAAD　 41-45 DADBA　 46-50 DABCC　 51-55 BDADA

Passage 8

(广东省茂名市第十中学2010届高三第一次模拟)

Scientific experiments can sometimes go wrong and when they do them, results may range from the disastrous to the troubling. One such　 　21　 took place in South America about fifty 　22 　ago. Whether its 　23　 　consequences will cause serious damage or nothing more than a small trouble still remains to be seen.

The story began in 1956 when an American scientist working in Brazil decided to solve the problem of 　24　 the productivity of that country’s bees. He imported a very 　25　 　type of African bee from Tanzania and mated(交配) it with the more easy-going native variety to produce a new kind of bees. The new bees worked harder and produced twice as much honey. It seemed that Professor Kerr, for that was the scientist’s name , was entirely 　　26　 .

Then things began to go wrong. For some 　　27　 　as yet unseen, but perhaps as a result of something in their environment, the new bees began to 　　28　 extremely attacking personalities. They became bad-tempered and easy to be 　　29, attacked the native bees and 　30　 them from their living places.

50.A．manages　　　 　B．controls　　　　 　C．operates on 　　 　　D．deals with

51A.．raise　　　　 　B．grow　　　　　 　　C．rise　　　　　 　D．increase

49.A．a worker　　　 　B．a farmer　　　　 　C．a writer　　　　 　D．a manager

48.A．disappointment　 B．achievement　　 　C．regret　　　　 　　D．apology

47.A．Besides　　　　 B．Nevertheless　　 　C．However　　　　 　D．Yet

46.A．success　　　 　B．death　　　　　 　C．victory　　　　 　D．disease

45.A．means　　　　 　B．stands　　　　 　C．equals　　　　 　　D．matches

44.　A．come across　　　　　　　　　　　 　B．come into contact with　

C.look down upon　　　　　　　　　　 　D．watch over

43.A. a river　　　　 　B．a gap　　　　　 　C．a channel　　　 　D．a bridge