1.every man and every woman ______ required to vote for the candidate last month.
a.is b.were c.are d.was
2.you should be able to ______ right from wrong.
a. perceive b. distinguish c. sight d. observe
3.it seems oil ______ from this pipe for some time.we'll have to take the machine apart to put it right.
a.had leaked b.was leaking c.leaked d.had been leaking
4.i ______ what he said is true ，although i've always hated him.
a.believe b.believed c.have believed d.am believing
5.the mad man was put in the soft-padded cell lest he______ himself.
a.injure b.had injured c.injured d.would injure
6. he is seriously ill because his girlfriend has just deserted him. why don't you try some occupational ________ to remove his mind from distress?
a. operation b. therapy c. injection d. medicine
7. the government used their emergency powers to ________ the truth about the accident.
a. suppress b. manipulate c. control d. manage
8. the ________ of the member countries is supposed to be held recently at geneva.
a. summit b. summary c. suffering d. summon
9. the ghostly presence was just a (n)_________ sensation of some people.
a. objective b. subjunctive c. subjective d. objected
10. the company is on the verge of bankruptcy，and thousands of jobs are at_________ .
a. danger b. loss c. threat d. stake
答案与解析：
1.d
本题考查主谓一致。every ... and every ....谓语动词用单数。根据时态last month应用was。
2.b
perceive vt 察觉,感知;理解,领悟；distinguish v 区别,辨别,认明；sight n 视力，视野，视察 vt. 看见,发现 observe v观察，观测；遵守。
3.d
for some time表示已经持续了一段时间，且持续到现在为止还在继续，故使用过去完成进行时或现在完成进行时。
4.a
表示感官的动词常用一般现在时，而不用现在进行时。
5.a
有lest 引导的的从句用虚拟语气，谓语动词采用(should) do的形式。
6.b。
operation 指“手术”，therapy 指“疗法”，injection 指“注射”，medicine 指“医术，医学；药”。occupational therapy 指“职业疗法”，即给患者创造性或生产性工作以治疗其身心某些疾病的方法。
7.a。
suppress 意思是“阻止..被知道或看到”，manipulate 指“熟练地控制或操纵（某事物）”，control 意思是“控制”，manage 意思是“负责（谋事物），管理，经营”。
8.a。
summit 意思是“峰会，首脑会晤”，summary 意为“小结”，suffering 指肉体或内心的痛苦，summon 意为“传唤，传讯；（法院的）传票”。
9.c。
objective 意为“客观的”，subjunctive 意为“虚拟语气的”，subjective 意为“主观的”，object 意思是“反对，抗议”，作动词。
10.d 。
at a loss 意思是“不知如何是好，茫然，不知所措”，at stake 指“凶吉难卜，好坏无法预料”。可以说in danger 或under threat,但不可以说at danger 或at threat。