英语专四模拟题之词汇语法 第16期
日期:2015-03-20 17:37

(单词翻译:单击)

语法练习

1.Circus tigers, although they have been tamed, can ___ attack their trainer.

A.unexpectedly

B.deliberately

C.reluctantly

D.subsequently

2.The tourist is prevented from entering a country if he does not have ___ passport.

A.an operative

B.a valid

C.an efficient

D.an effective

3.The plane is about to take off. Would you please ensure that your seat belt is securely ___?

A.locked

B.bound

C.tied

D.fastened

4.Though working for the old, he paid ___ visits to his own parents.

A.scare

B.rare

C.insufficient

D.inadequate

5.Stressful environments lead to unhealthy behaviors such as poor eating habits, which ___ increase the risk of heart disease.

A.in turn

B.in return

C.by chance

D.by turns

答案详解

1.[A]【解析】副词词义辨析。unexpectedly意为“出乎意料地,意外地”。deliberately意为“故意地”;reluctantly意为“不情愿地”;subsequently意为“后来,随后”。句意:马戏团的老虎虽被驯服,但有时也会出乎意料地袭击驯兽员。

2.[B]【解析】形容词近义词辨析。operative意为“起作用的,生效的”;valid意为“(法律上)有效的,正当的”;efficient意为“效率高的”;effective意为“起作用的,有影响的”。句意:游客如果没有有效护照不得入境。

3.[D]【解析】动词近义词辨析。lock意为“用锁关上或紧闭”;fasten意为“把……结牢;把……拴住;扣紧(纽扣)”;tie意为“捆,系,拴”;bind 意为“缚,绑”。句意:飞机马上要起飞了。请检查一下您的安全带是否已系好。

4.[B]【解析】形容词近义词辨析。scarce意为“缺乏的,不足的”;rare意为“稀有的,罕见的;不常发生的”;insufficient意为“不够的,不足的”;inadequate意为“不充分的”。句意:虽然他从事老年人工作,但他却很少去看望他的父母。

5.[A]【解析】介词与名词固定搭配。in turn意为 “轮流地,挨个,依次;反过来”;in return意为“回报的,作为回报”;by chance意为“偶然地”;by turns意为“轮流地。时而……时而”。句意:有压力的环境会导致对健康有害的行为,例如不良的饮食习惯;反过来,这样的不良习惯又会增加患心脏疾病的风险。

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