2012中石油系统职称英语考试试题及答案解析_第3页

　　"Usually you __ to leave 15 percent for a waiter or waitress. Taxi drivers expect 10 or 15 percent, too."

　　A. ought

　　B. should

　　C. might

　　D. can

　　解析:【选A；ought to 应当，应该】

　　32.millions of galaxies exist in the vast space outside the Milky Way.

　　A. It is estimated that

　　B. An estimate that

　　C. That is estimated

　　D. That the estimate

　　解析：【选A，强调句it is…that】

　　33. As resident of Texas, Dennis __ to the House of Representatives in 1930 and to the Senate in 1938.

　　A. when elected

　　B. elected

　　C. who was elected

　　D. was elected

　　解析：【选D；House of Representatives是众议院的意思】

　　34. The instructions are too clear on the bottle: These tablets __ they are able to make about twenty different sounds.

　　A. will be kept

　　B. are to be kept

　　C. shall keep

　　D. shall have kept

　　解析：选B

　　35. Green have the power to make food from substances found in the air and soil.

　　A. only plants

　　B. plants alone

　　C. the only plants

　　D. plants are alone

　　解析:【选B，书上有类似的government alone，考点是alone用法】

　　36. China and America are separated by __

　　A. Pacific Ocean

　　B. a Pacific Ocean

　　C. the Pacific Ocean

　　D. Pacific Oceans

　　解析：【选C。定冠词用法。修饰唯一存在的事物时用the】

　　37. "I don’t like your attitude." "I don’t care __

　　A. if or not you like it

　　B. whether you like it or not

　　C. do you like it or not

　　D. you like it or not

　　解析：【选B。if 不与or not 连用】

　　38. __ I go on holiday, I always seem to be unlucky with the weather.

　　A. Where

　　B. How

　　C. Whenever

　　D. While

　　解析：【选C，Whenever有每当的意思】

　　39. Many live in Hawaii, more than __ of whose people boast on Asian or Polynesian heritage.

　　A. two-thirds

　　B. two-third

　　C. second-third

　　D. two-three

　　解析：【选A，考点是分数表达方法】

　　40. It is the earth’s 40 mile deep crust with __ we are concerned when we seek the cause of earthquake.

　　A. that

　　B. what

　　C. which

　　D. whom

　　解析：【原文34.When The Earth Quakes 地震时刻：It is the earth’s 40 mile deep crust with which we are concerned when we seek the cause of earthquake.】选C