1.The current political ______ of our country is favorable for foreign investments.

A.climate B. weather C.temperature D. state

Best Answer:A

详解：应选A项。climate（可数名词）意为“（一个地区或一个时期总的）气候”；weather意为“（指每日每时的晴阴，温度）天气”；state意为“状况，状态”。

2.The angry teacher gave the order that nobody ______ the classroom before twelve.

A.would leave B. left C.had left D. leave

Best Answer:D

详解：应选D项。that引导order（命令）的同位语从句，从句用(should)do表示虚拟语气。

3._____ the financial means to remain independent, Thomas Edison was compelled to seek employment as a night telegraph operator.

A.He was deprived of B. Deprived of C.That he was deprived of D. Although he was deprived of

Best Answer:B

详解：应选B项。过去分词表原因作状语，句意为：失去了保持独立经济来源，爱迪生不得不当夜间电报员。

4.The firm will have to step ______ production if it is to defeat its competitors.

A.off B. in C.out D. up

Best Answer:D

详解：应选D项。step up意为“提高，加快”；step off意为“开步走，步量（距离）”；step in意为“介入，干涉;参加进来（帮忙）”；step out意为“走出去”。

5.After writing poetry unsuccessfully for several years, he was not certain whether to quit or ______ with his art.

A.if he should continue B. he should continue C.to be continued D. to continue

Best Answer:D

详解：应选D项。to continue与to quit并列。

6.At first, people raised dogs to help them hunt and to warn them when danger ______ . Today, cats and dogs are kept largely as pets.

A.reproached B. approached C.appreciated D. apprehended

Best Answer:B

详解：应选B项。approach意思是“接近，靠近”；reproach意为“责备”；appreciate意为“欣赏”；apprehend意为“理解，忧虑”。

7.For a child to give up his less mature idea for a more mature one, it requires that the child ______ psychologically really for the new idea.

A.would be B. were C.be D. is

Best Answer:c

详解：应选C项。require要求从句的谓语省略should +动词原形。

8.They do not have to pay for expensive seats at the theater, the cinema or the opera, ______ , perhaps, that show is disappointing.

A.only to discover B. only discovering C.only so as to discover D. only for discovering

Best Answer:A

详解：应选A项。only to do sth意为“结果只是…”，其逻辑主语是they。

9.I ______ admit the truth or your remarks, although they go against my interests.

A. can but B. may not to C.can't but D. need but

Best Answer:C

详解：应选C项。can't but的意思是“不能不”。