1.You should have put the milk in the ice-box; I expect it ______undrinkable by now.

A.became B. had become C.has become D. becomes

Best Answer:C

详解：答案为C。与by now,so far, tip to now这样的短语连用时，谓语动词用现在完成时。

2.The tendency to lie is perhaps _________originally by imitations. It grows into a habit, unknown to its possessors.

A. taken to B. taken over C.taken in D. taken up

Best Answer:D

详解：答案为D。take to表示“喜爱”；take over表示“接管”；take in表示“欺骗”；take up表示“接受，形成”。

3. There were no tickets ______ for Friday's performance.

A.preferable B. considerable C.possible D. available

Best Answer:D

详解：答案为D。词形辨析和句意搭配题。以"-able"或"-ible"结尾的形容词表示被动，意为“可…”或“值得…”的意思。preferable指“更可取的，更合意的”；considerable指“可观的，相当多的.值得考虑的”。possible指“可能的”。

4.Don't _______ this news to the public until we give you the go-ahead.

A.release B. relieve C.relate D. retain

Best Answer:A

详解：答案为A。词形辨析题。release news指“泄露消息。”其余不构成搭配。relieve 指“减轻、缓解”。relate指“叙述、连接”;retain指“保留、维持”。

5.The actual _______by which coal is extracted is well worth watching.

A.process B. procession C.pattern D. conduct

Best Answer:A

详解：答案为A。process表示“步骤，程度，制作方法”；procession表示“行进的队伍”；pattern表示“模式，方式”；conduct表示“行为，方式”。

6.As a_______president, his views are treated with respect when he is interviewed

A.prior B. previous C.late D. former

Best Answer:D

详解：答案为D。词义辨析题。former指“前任的，前一个”，表示顺序上的前一个；prior指“较早的”，“优先的”是比较级形式，常和to连用。previous指“先前的，上文的”，表明时间和方位上的先后。late指“迟的，晚期的”，强调时间上的先后。

7.They have been trying to arrive at a practical solution _____ the problem.

A.in B. to C.on D. with

Best Answer:B

详解：答案为B。互搭配题。在：key，answer, access，approach，introduction，rights（权利），response, reaction,reply, solution等词后常用to表示所属关系。

8.The supply of electric power to Madrid and neighboring districts has had to be______.

A.weakened B. omitted C.restricted D. lowered

Best Answer:B

详解：答案为B。搭配题。supply只能和lower搭配表示“降低供应量”而符合句意。weaken指“（使）变弱，变衰”，omit指“遗漏，省略”，restrict指“约束，制（禁）止”。

9.They have a small library in which you can find a ________of books on various fields.

A.variation B. variety C.varied D. various

Best Answer:B

详解：答案为B。词形和词性辨析题。a variety of指“大量的许多的”。variation指“变化，变动”。

10. Most people are willing to _______violence of any sort as evil.

A.condemn B. blame C.charge D. accuse

Best Answer:A

详解：答案为A。condemn意为谴责，用在正式的严肃的场合，侧重从道义上或原则加以谴责.符合木题意思；blame表示“责备”，语气较弱，指对不好的事物或做错事的人加以责备；reproach表示;“指责”，一般是从平等关系提出意见，这种意见仅表示不满，可以是正确的，也可以是吹毛求疵的；accuse表示“指责，控告”，常用于"accuse sb. of..."句型中。