52. In dealing with public relations, we should make every effort to prevent the _____ in personality.

　　 A. contact　　　　 　　 B. contrast　　　　 　 C. connection 　　　　　 D. conflict

51. Most people on this island　 are recreational fishers, and ________, fishing forms an actual part of their leisure time.

　　 A. accidentally　 　　　　 B. purposefully　　 C. obviousl　　　　　　　　 D. formally

50. The teacher wrote an example on the blackboard to ________ to point.

　　 A. illustrate　　　　 　 B. suggest　　　　 C. express　　　 　　 D. recognize

49. Some people like dirking coffee, for it has _______ effects.

　　 A. promoting 　　　　　　 B. stimulating　　 　　 C. enhancing　 　　　　 D. encouraging

48. In ___________ Chinese culture, marriage decisions were often made by parents for their children.

　　 A. traditional　　　 　 B. historic　　 　　　　 C. remote　　 　　　　　 D. initial

47. After the trainer was sure that the whale could look after itself, he ________it into the sea.

　　 A. transported　　　 　 B. unloaded　　　 　 C. released　　　 　　 D. handled

46. Hospital staff burst into cheers after doctors completed a 20-hours operation to have __________ one-year-old twins at the head.

　　 A. isolated　　　 　　　 B. separated　　　　　　　 C. divided　　 　　　　　 D. removed

Directions: Beneath each of the following sentences there and four choices marked A, B, C and D. Choose the one answer that best completes the sentence.

45. The environmentalists and wild goats’ _________ on the vast grasslands was a good indication of the better environment.

　　 A. escape　　　 　　　 B. absence　　　　 C. attendance 　　　　　 D. appearance

44.--English has large vocabulary, hasn’t it?

　 -Yes, _________ more words and expressions and you will find it easier to read and communicate.

　　 A. Know　　　　　 　 B. Knowing　　 　　　 C. To know　　 　　　 D. Known

43. Why! I have nothing to confess. _______ you want me to say?

　　 A. What is it that　　　　　　　　　　 　　 B. What it is that

　　 C. How is it that　　　　　　　　　　　 　 D. How it is that