1. Although， the professor was quite used ____ last for his lecture.

A）to have students B）for students’ being

C）for students to be D）to students’ being

2.The mad man was put in the soft padded cell lest he ____ himself.

A）injure B）had injured C）injured D）would injure

3. If tap water were as dangerous as some people think，____ would be getting sick.

A）a lot of more us B）more a lot of us

C）a lot of us some D）a lot more of us

4. The car ____ halfway for no reason.

A）broke off B）broke down C）broke up D）broke out

5.The newcomers found it impossible to ____ themselves to the climate sufficiently to make permanent homes in the new country.

A）suit B）adapt C）regulate D）coordinate

答案解析

1.D。本题测试固定词组搭配。本题主语为“be used to+名词或动名词”结构，表示“很习惯于……”。故D项正确。students’放在being前作逻辑主语。

2.A．本题测试“lest”用法。用lest连接的句子谓语部分用should加原形动词，should可省略，故A正确。

3.D比较级的修饰词用法。a lot修饰比较级时应置前，故选D。

4.B本题测试动词短语辨析。四个词组的意思分别为：A.broke off折断，突然停止讲；B.broke down抛锚，坏了；C.broke up拆散，驱散（人群）；D.broke out（瘟疫，疾病，战争等）爆发。

5.B 本题测试动词短语的习惯搭配。“adapt eneself to”构成固定词组，表示“ 使某人适应（新的环境，气候，国土等）”，符合句意。