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2021年成人英语三级语法练习题（二）详细内容如下，来做题吧!
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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”。
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