大学英语每日一练（7-12）

141. Those ________ finished doing it put up your hands.

A. who have B. who has C. which have D. have

141.【答案】A。【解析】考查定语从句关系词。句意：那些已经做完的人举起你的手。此句中，those为定语从句的先行词，相当于those students/clerks, finished dong it为定语从句成分，从句缺主语以及谓语动词的完成时态助动词。主语指人，一般用引导词who，引导词数量与先行词一致为复数，故选A。

142. It was not until 1920 ________ regular radio broadcasts began.

A. which B. when C. that D. since

142.【答案】C。【解析】考查强调句式。句意：直到1920年，定期的无线广播才开始。强调句式由“It is/was+...+that/who…”构成，当被强调部分指人时，用who/that，当被强调部分指物时，只能用that，故选C。

143. No one failed in the exam, ________?

A. was he B. did one C. did they D. didn’t he

143.【答案】C。【解析】考查反义疑问句。句意：没有人没通过这次考试，对吗?当主句主语是one, everybody, anyone, somebody, nobody, no one等不定代词时，疑问部分常用复数they或者单数he。前面是否定，后面用肯定，排除D，故选C。

144. It was announced that only when the fire was under control ________ to return to their homes.

A. the residents would be permitted B. had the residents been permitted

C. would the residents be permitted D. the residents had been permitted

144.【答案】C。【解析】考查倒装句。句意：据称，只有当火势得到控制的时候，居民们才可以返回家中。Only+when从句放在句首时，用部分倒装，时态用过去将来时，故选C。

145. —How’s your tour around the North Lake? Is it beautiful?

—It ________ be, but it is now heavily polluted.

A. will B. would C. should D. must

145.【答案】C。【解析】考查情态动词表推测。句意：—你在北海周围的旅行怎么样?它漂亮吗?—它本应该是漂亮的，但是现在被严重污染了。should在此处表示推测，意为“本应该”，故选C。

146. This washing machine is environmentally friendly because it uses ________ water and electricity than ________ models.

A. less; older B. less; elder C. fewer; older D. fewer; elder

146.【答案】A。【解析】考查比较级。句意：这台洗衣机是环保的，因为它比老型号洗衣机消耗的水和电更少。water and electricity为不可数名词，故排除C、D两项。elder年长的;older更加旧的，故选A。

147. —________ excellent work you have done!

—It ’s very kind of you to say so.

A. What B. How C. What an D. How an

147.【答案】A。【解析】考查感叹句。句意：—你做了多么出色的工作!—你这么说真是太好了。感叹句结构what+形容词+不可数名词或可数名词复数+主语+谓语!中心词是work名词且不可数，故选A。

148. He is a good leader, but he hasn’t ________ in teaching.

A. many experiences B. much experience C. an experience D. a lot experience

148.【答案】B。【解析】考查名词辨析。句意：他是个好领导，但是对教学没有太多经验。experience作“经验”讲时是不可数名词，作“经历”讲时是可数名词。本句中应理解为“经验”，因此是不可数名词，排除AC。又因固定搭配为a lot of或lots of排除D，故选B。

149. ________ usually go to church every Sunday.

A. The Brown B. A Brown C. Browns D. The Browns

149.【答案】D。【解析】考查名词辨析。句意：布朗先生一家通常每个周日去教堂。由谓语动词是复数可知主语也是复数的，选项D指的是布朗一家人，选项B指的是一个叫布朗的人。根据题意，故选D。

150. ________ of the land in that district ________ covered with trees and grass.

A. Two fifths; is B. Two fifth; are C. Two fifth; is D. Two fifths; are

150.【答案】A。【解析】考查分数。句意：这个地区五分之二的土地覆盖着树和草。当分子大于一时，分母用复数形式，这样可排除B和C。land是不可数名词，谓语动词用单数形式，故选A。