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

42. Having been attacked by terrorists, ________.

　　 A. doctors cane to their rescue　　　　　　 B. the tall building collapsed

　　 C. an emergency measure was taken　　　 　 D. warnings were given to tourists

41. ____ snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.

　　 A. Not only they brought　　　　　　　 　　 B. Not only did they bring

　　 C. Not only brought they　　　　　　 　　　　 D. Not only they did bring