50. The problem of poverty is particularly ______ in rural areas.

　 A. acute　　　　　　　　　　 B. sharp　　　　　　　　　　　 C. strong　　　　　　　　　　　 D. solid

49. There is a small object _______ a pin on the desk.

　 A. resembled　　　　　　 B. resembling　　　　　　　 C. resembling in　　　　　　 D. resembled like

48. It is important that we ______ wild animals.

　 A. are protecting　　　　 B. shall protect　　　　　　　 C. should protect　　　　　 D. will protect

47. We should apply theory ______ practice.

　 A. for　　　　　　　　　　　 B. with　　　　　　　　　　　　 C. in　　　　　　　　　　　　　　　　　 D. to

46. I was giving a talk to a large group or people, the same talk I ______ to half a dozen other groups.

　 A. had given　　　　　　 B. was giving　　　　　　　　 C. am giving　　　　　　　　 D. have given

45. --- Would you like to join us? --- Sorry, I’m not ______ as any of you.

　 A. as a good player　　 B. as good player　　　　　 C. a so good player　　　　 D. so good a player

44. We found his advice ______ in settling the problem.

　 A. of great value　　　　 B. greatly value　　　　　　 C. of greatly value　　　　 D. great valuable

43. ---Did you tell Julia about the result?　　 ---Oh, no. I forgot. I _______ her now.

　 A. am to call　　　　　　 B. am going to call　　　　 C. will call　　　　　　　　　 D. will be calling