大学英语每日一练（6-2）

41. Our class monitor suggested ________ a discussion of the subject.

A. should have

B. to have

C. have

D. having

【答案】D.

【解析】非谓语动词suggest：建议，其后接动词时，应用其动名词形式，意为“建议做某事”。本题应注意的是：虽然题中出现了suggest 一词，但也不用虚拟语气，因为其后接的不是宾语从句。故选D。

42. ________ more careful, his ship would not have sunk.

A. Had the captain been

B. If the caption were

C. Should the captain be

D. If the caption would have been

【答案】A.

【解析】虚拟语气。根据句意并结合四个选项可知，本句包含一个省略了if的条件句。根据主句中的would not have sunk可知，句中表示的是与过去情况相反的假设，所以从句谓语动词应用“had+过去分词”形式。另外，虚拟条件句省略if时，从句要用部分倒装，即将句中的had, were, should等词提至主语之前。故选A。

43. Child ________ he is, he knows a lot.

A. even though

B. though

C. as

D. although

【答案】C.

【解析】状语从句。even though：虽然，即使，可以引导让步状语从句，但不用倒装;though：尽管，引导让步状语从句时，可以倒装也可以不倒装;as：虽然，尽管，引导让步状语从句时必须倒装。although：虽然，尽管，可以引导让步状语从句，但不用倒装。分析句子结构可知,本句用了倒装，将表语child提至了句首，并省略了不定冠词a，所以应用as或 though引导。一般情况下，as和though不会同时出现，但如果同时出现，as语气更强，为最佳答案。故选C。

44. The children ran away from the vineyard ________ they saw the guard.

A. at the moment

B. the moment

C. before

D. as long as

【答案】B.

【解析】词义辨析。at the moment此刻，目前;the moment一…就…，可以用作连词，后面接完整的句子;before在……之前;as long as只要。根据句意可知，选B。

45. ________ there is no rain, farming is difficult or impossible.

A. For

B. Where

C. While

D. As

【答案】B

【解析】词义辨析。for因为，为了;通常用来表推测;where在……地方，可以作连词;while虽然，然而;as因为，虽然;表示较弱的因果关系，双方均已知这种情况。根据句意可知，选B。

46. This is the best novel that I ________ in this field.

A. have read

B. has read

C. read

D. reads

【答案】A.

【解析】动词时态，。根据句意可知，that引导的从句应用现在完成时，表示动作从过去某一时间开始一直延续到现在，并有可能延续下去。故选A。

47. It troubled him a lot ________ she refused to answer his call.

A. while

B. that

C. if

D. for

【答案】B.

【解析】主语从句。分析句子结构可知，It在句中作形式主语，真正的主语是空处引导的从句，所以应用在从句中不作句子成分，只起连接作用的that。故选B。

48. The fact has worried many scientists ________ the earth is becoming warmer and warmer these years.

A. what

B. which

C. that

D. though

【答案】C.

【解析】同位语从句。分析句子结构可知，空处引导的是同位语从句，先行词是fact，所以应用在从句中不担当语法成分的that来引导，that引导的从句是对fact(事实，真相)具体内容的解释说明。故选C。

49. A low-carbon (低碳) lifestyle has an effect ________ our daily life. People are paying more and more attention to ________ energies these days.

A. in; save

B. in; saving

C. on; save

D. on; saving

【答案】D.

【解析】固定用法和非谓语动词。have an effect on为固定搭配，意为“对……有影响”;pay attention to意为“注意，重视，留心……”，其中to为介词，其后的动词应用动名词形式。故选D。

50. The secretary worked late into night, ________ a speech for the president.

A. preparing

B. to prepare

C. prepared

D. was preparing

【答案】A.

【解析】非谓语动词。分析句子结构可知，空处应用非谓语动词，作伴随状语。又因work和prepare这两个动作同时发生，且prepare和其逻辑主语The secretary之间为主动关系，所以应用现在分词作伴随状语。故选A。