重庆专升本考试:英语每日一练(96)

2021-01-01 17:33:35 来源:重庆中公教育

56. The reason why they changed their mind ________ to us yet.

A. has not explained B. has not been explained

C. did not explain D. was not explained

【答案】B

【解析】首先reason和explain之间为被动关系,排除AC;其次结合句意和yet可判断是“到现在还没有被解释”,应用现在完成时,故选B。

57. I need one more stamp before my collection ________.

A. has completed B. completes

C. will be completed D. is completed

【答案】D

【解析】首先collection和complete之间为被动关系,排除AB;其次,before引导的时间状语从句可用一般现在时表将来。“在我的收藏完成之前”,“还未完成”,这里用一般现在时表将来。

58. The Bunsen Burner is so named because it is thought ________ by Robert Bunsen.

A. to be invented B. having been invented

C. invented D. to have been invented

【答案】D

【解析】句式:sb/sth be thought to have been invented表示过去已经完成动作,故选D。

59. The old man ________ since he came into the hospital.

A. has taken good care of B. has been taken good care of

C. has taken good care D. has been taken good care

【答案】B

【解析】首先old man和take good care of“好好照顾…”之间是被动关系,排除AC;同时,take good care of变成被动时介词of不可少,故选B。

60. If only you ________ him what I said! Everything would have been all right.

A. do not tell B. would not tell

C. have not told D. had not told

【答案】B

【解析】if only对过去情况的虚拟用“had done”结构,故选D。

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