1.The board of the company has decided to ________ its operations to include all aspects of the clothing business.
A) multiply
B) lengthen
C) expand
D) stretch
2.His business was very successful, but it was at the ________ of his family life.
A) consumption
B) credit
C) exhaustion
D) expense
3.First published in 1927, the charts remain an ________ source for researchers.
A) identical
B) indispensable
C) intelligent
D) inevitable
4.Joe is not good at sports, but when it ________ mathematics, he is the best in the class.
A) comes to
B) comes up to
C) comes on to
D) comes around to
5.Doctors warned against chewing tobacco as a ________ for smoking.
A) relief
B) revival
C) substitute
D) succession
6.When carbon is added to iron in proper ________ the result is steel.
A) rates
B) thicknesses
C) proportions
D) densities
7.You should try to ________ your ambition and be more realistic.
A) reserve
B) restrain
C) retain
D) replace
8.Nancy is only a sort of ________ of her husband’s opinion and has no ideas of her own.
A) sample
B) reproduction
C) shadow
D) echo
9.Now that spring is here, you can ________ these fur coats till you need them again next winter.
A) put over
B) put away
C) put off
D) put down
10.There is a ________ of impatience in the tone of his voice.
A) hint
B) notion
C) dot
D) phrase
作业：
1.Having spent some time in the city, he had no trouble ________ (找到去历史博物馆的路).
2.________ (为了挣钱供我上学)， Mother often takes on more work than is good for her.
3.The professor required that ________ (我们交研究报告)。
4.The more you explain, ________ (我愈糊涂).
5.Though a skilled worker, ________ (他被公司解雇了) last week because of the economic crisis.
第一题：
multiply:vt. 乘,使相乘;倍增vi. 增加
lengthen:vt. 加长,使延长vi. 变长
expand:vt. 展开;扩大,扩充,发展膨胀,扩张;张开,展开,使膨胀,使扩张;张开
stretch:n. 伸展,张开,连绵,一段路,一段时间a. 可伸缩的,弹性的vt. 伸展,张开,曲解
第二题：
consumption:n. 消费,消费量,憔悴
credit:n.\v. 信任,信誉,信用,信贷,赊欠n.\v. 荣誉,光荣,称赞,给予荣誉
exhaustion:n. 疲惫,筋疲力尽,竭尽
expense:n. 花费,消费,消耗;开支,经费;费钱之物
第三题：
identical:a. 同一的;完全相同的,相等的;有同一原因的,有同一来源的
indispensable:n. 不可缺少之物a. 不可缺少的,不能避免的,绝对必要的
intelligent:a. 聪明的,伶俐的,有才智的
inevitable:a. 不可避免的,无法回避的;照例必有的
第四题：
come to:v.苏醒;总计达,总数为;涉及,谈到
come up to:v.达到,符合 达到(标准),比得上,等于
come on to:开始,兴盛
come around to:转而接受,重新着手…
第五题：
relief:n. 减轻,解除,救济,安慰,调剂,浮雕,换班,地势的起伏
revival:n. 复兴,复活,恢复精神,苏醒
substitute:n. 代理,代理人,代用品,代替物vt. 代替vi. 替代,取代
succession:n.连续,继续;继承,接替
第六题：
rate:n. 比率,率,速度,价格,费用,等级vt. 估价,认为,鉴定等级,责骂vi. 被评价
thickness:n. 厚度,一层,混浊,含混不清
proportion:n. 比,比率;均衡,相称;部分,份儿;面积 vt. 使成比例;分摊,摊派
density:n.密集,稠密;密度,浓度
