— Do you have any plans for the winter holiday?

— Since you are crazy about music, why not go to some ________ concerts?

A. lively B. live C. alive D. living

B 【解析】试题分析：句意：你有暑假有什么计划吗？既然你你对音乐很着迷，为什么不去参加一些现场音乐会？lively充满活力的， 活泼的；live生动的，现场直播的；alive活着的; 活泼的；living活的，现存的。故选B。

The cost of living in Chengdu is among the lowest in China, ________ the quality of life is probably one of the highest．

A. while

B. when

C. as

D. since

A 【解析】句意：成都的生活费用是中国最低的，而生活质量可能是最高的。考查连词辨析题。while与…同时，强调主句和从句相反；when当时候，用于主句和从句动作有先后顺序时；as当……的时候，强调主句动作随从句动作而变化；since自从，后接时间段或从句，表示一段时间，用于现在完成时态。根据句意语境，可知两句意思相反，故选A。

— What do you think of the young lady?

— She is hard-working. She ________ all her effort into her work before she got ill.

A. has put B. put C. had put D. would put

C 【解析】试题分析：句意：你认为这位小姐怎样？她很勤奋。她生病前把她所有的精力都投入到她的工作中。根据时间状语从句before she got ill.可知主句该用过去完成时态，所以选C。

________ Mary ________ Jack is listening to the report carefully, because they are both interested in it very much.

A. Neither; nor B. Either; or C. Both; and D. Not only; but also

D 【解析】试题分析：句意：不仅玛丽而且杰克认真听取了报告，因为他们都对它非常感兴趣。Neither; nor既不，也不，连接并列主语时，遵循就近原则；Either; or 或者，或者，连接并列主语时，遵循就近原则；Both; and两者都，连接并列主语时，谓语动词使用复数形式；Not only; but also不但，而且，连接并列主语时，遵循就近原则。根据because they are...

—I’m new here in Wuxi.

—Take a map of Wuxi with you. You’ll find it of great _________ in helping you to get round Wuxi.

A. price B. cost C. interest D. Importance

D 【解析】试题分析：句意：－我新来无锡。－带一张无锡地图。你们发现它对帮助你的周游无锡很A. price价格；B. cost花费；C. interest兴趣；D. Importance重要。带张地图对于旅游重要。故选D。

Boris has brain. In fact, I don’t think that anyone in the class has ________ IQ.

A. a high B. a higher C. the higher D. the highest

B 【解析】试题分析：句意：鲍里斯很有头脑。事实上，我认为班级没有人比他智商高。也就是说班级里没有人有更高的智商，所以选B。

Having ________ exercise every day will do great good to your health.

A. a lot B. a number of C. too much D. plenty of

D 【解析】试题分析：句意：每天都做足够的运动会对你的健康非常好。a lot很多，要修饰名词还需要加介词of；a number of 许多，修饰可数名词复数；too much太多，修饰不可数名词；plenty of 大量的，在通常情况下，plenty (of) 用于肯定句中，而不用于否定句中。在疑问句中通常用 enough 代替，否定句中通常用 much, many 代替。所以选D。

Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.

A. mustn’t B. ought not to C. needn’t D. don’t have to

A 【解析】试题分析：句意：看这个标志！上面写道“禁止吸烟！“你不能抽烟。这是危险的。mustn’t 禁止，不允许；ought not to不应该，不应当；needn’t不必；don’t have to不必。根据“No Smoking!”可知此处禁止吸烟，所以选A。

He made a mistake, but then he took action to change the situation ________ it got worse.

A. until B. when C. before D. because

C 【解析】试题分析：句意：他犯了一个错误，但他在它变得更糟前采取了行动改变现状。Until直到；when当···时；before在···之前；because因为。根据句意可知选C。

The radio says that a terrible traffic accident happened sometime _______ 9 ______ 10 this morning．

A. between; and

B. from to

C. between to

D. from; and

A 【解析】句意：广播说今天早上9点到10点之间发生了一起严重的交通事故。考查连词短语辨析题。from…to从……到……，介词短语，表时间或地点；between…and…在……和……二者之间，连词短语，表并列。句中的9和10是两个钟点时间，并列关系，需用between…and。根据句意语境，可知选A。