52. "Who is responsible for sending out misinformation?"

　 "Most of the fault lies _____ the administration."

　 A. in　　 B. to　　 C. on　　 D. with

D. with.

lie with应由.......(承担责任)；(作出决定等)得靠...... 1)The responsibility lies with the driver.(责任应由这个司机承担。) 2)It lies with you to accept or reject he the proposal.(接受还是拒绝这项建议由你决定。)

lie in在于： 1)The difficulty lies in their great poverty.(困难在于他们非常贫困。) 2)the solution lies in social and political reform.(解决方法在于社会政治改革。)

51. Our attitude toward our teachers should be _____, but not slavish or superstitious.

　 A. respectable　　 B. respected　　 C. respective　　 D. respectful

D. respectful.

respectable(=deserving respect)值得尊敬的,品行端正的。respectful(=showing respect to)有礼貌的，表示尊敬的。Respective各个的。respected尊敬的。Respecting prep.(=relating to; concerned with)关于，说到。

50. Her display of bad temper completely _____ the party.

　 A. harmed　　 B. damaged　　 C. spoilt　　 D. hurt

C. spoilt.

spoil指出意指“使...... 扫兴，搞糟”，如：Quarrelling spoilt the picnic.(争吵使这次野餐弄得很扫兴。)hurt伤害，damage 损坏，harm危害，均不合题意。

49. The _____ of the trees in the water was very clear.

　 A. mirror　　 B. sight　　 C. reflection　　 D. shadow

C. reflection.

reflection此处意为“映在水中的倒影”，而不是“影子”或“阴影”，故不能用shadow。其他选择均不合题意。

48. Roses are quite _____ flowers in English gardens.

　 A. ordinary　　 B. common　　 C. usual　　 D. general

B. common.

common(=usual and ordinary; happening of found often and in many places)普通的；常见的；常常发生的；到处可见的：a common experience(普通的经历)；a common tree(常见的树木)。This bird is common throughout Europe.(这种鸟在欧洲很常见。)They can treat most of the common diseases.(他们能治疗大多数常见病。)

usual(=done, found, used or existing most of the time) 经常的，通常的，惯例的，习以为常的；强调时间习惯方面，例如：This is the usual state of the house.(这房子里平常就是这种样子。)

ordinary正常的，普通的，正常的；an ordinary day(平凡的一天)，ordinary people(普通人), a piece of ordinary dance music(一首普通的舞曲)。

general普通的。它与common比较，语气稍强，含有很少例外的意外。

可见本题中用common是最佳的选择。

47. The thief _____ the papers all over the room while he was searching.

　 A. abandoned　　 B. vanished　　 C. scattered　　 D. deserted

C. scattered.

scatter(=throw or put in various directions, or here and there)撒。

abandon放弃，抛弃。desert遗弃(而离开)。vanish消亡，灭亡。本题句意是将小偷在搜寻钱时的情景，所以应选scattered(撒)。

46. In a typhoon, winds _____ a speed greater than 120 kilometers per hour.

　 A. assume　　 B. accomplish　　 C. attain　　 D. assemble

　C. attain.

　　 attain (=succeed in doing or getting) 达到 (目的等) ,取得 (成就等) :I hope you will attain your object, accomplish (顺利) 完成。assume假定, 假设, 承担。assemble集合; 装配。

45. There were no tickets _____ for Friday's performance.

　 A. preferable　　 B. possible　　 C. considerable　　 D. available

　D. available.

　　 available (=capable of being used; that may be obtained) 可利用的; 可以找到的：1) These tickets are available for one month. (这些票的有效期一个月。) 2) Is there a doctor available? (有否可以找到大夫？) 3) A limited number of seats are still available. (仍然还有少量座位。)

44. Probability is the mathematical study of the _____ of an event's occurrence.

　 A. desire　　 B. likelihood　　 C. result　　 D. effect

　B. likelihood

　　 句意：概率是对事件发生的可能性的数学研究。

43. The government's strong action demonstrated its _____ to crush the rebellion.

　 A. energy　　 B. resistance　　 C. courage　　 D. determination

　D. determination.

　determination意为“决心”, 后常接动词不定式作定语。