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1.streamline v．把…设计或制成流线型；使精简
【记】组合词：stream(流)+line(线)--把…设计或制成流线型
【例】The council helped to streamline government and reform welfare.
委员会帮助精简政府机构，改革福利制度。
2.prospect n．前途，前景；情景，景色；指望，预期
【记】词根记忆：pro(向前)+spect（看）--向前看--前景
【例】I'm sure that career prospects of the computer industry would be very good no matter what sort of job l went into.
我相信不管我从事什么样的工作，电脑行业的职业前景都会很好。（2005听力）
3.struggle n．/v.打斗，搏斗，战斗，斗争；努力，奋斗
【例】Our ape-men forefathers had no obvious natural weapons in the struggle for survival in the open.
很明显，我们的猿人祖先在旷野中求生存时没有任何的天然武器可以使用。(1999)
4.exhaust v．用完，花光；排空，抽完；使筋疲力尽；详尽论述 n．排气管，排气，排出；装置；废气，废液
【例】Traditional vehicles operating on gasoline gives off exhaust, causing damage的human health and polluting the air.
使用汽油的传统车轴排放的废气会危害人类健康并污染空气。(1998)
Fanny is often compelled to exhaust all her energy in order to get her boss' compliment.
为了得到老板的赞赏，范妮常常不得不工作到精疲力竭。
【用】常用搭配有be exhaust by/with．表示“因…而疲劳”。
【派】exhaustive（adj．消耗的，枯竭的；全面彻底的，详尽的）
5.effect n．效果，效力，作用；结果
【记】词根记忆：ef(出)+fect(做)--做出效果--效果
【例】be of no effect: All their efforts were of no effect.
他们的一切努力都白费了。
bring/carry…into effect : It is a little difficult to bring your plans into effect.
你们的计划实施起来有点困难。
come/go into effect: The new policy has come into effect.
新政策已经实施。
have an effect on sth.: A country's capacity to produce wealth depends upon many factors, most of which have an effect on one another.
一个国家创造财富的能力取决于很多因素，这些因素大都互相影响。(2002)
in effect: The witness's testimony in effect contradicted her earlier statement.
这个证人的证词实际上与她之前的话自相矛盾。
take effect: Professor Johnson's retirement takes effect from next January.
约翰逊教授的退休申请明年一月起生效。(2005)
to the effect that: I have received his letter to the effect that he would come back in February.
我收到他的信，大意是他将于二月回来。
【派】effective（adj.有效的，生效的；给人深刻印象的，显著的；真正的，实际的）
6.compete v．比赛；竞争，对抗
【记】词根记忆：com(共同)+pet（追求，寻求）+e--追求同一个目标--竞争
【例】If the ape-men had attempted to compete on those terms in the open，they would have been led to failure and extinction.
如果猿人在野外就那些方面与他物竞争，他们可能已经失败并且灭绝了。(1999)
We should compete with each other in public.
我们应该公开竞争。
【用】compete作“比赛”讲时，一般后面接with或者in，作“对抗”讲时，一般接against。
【派】competition(n.比赛；竞争)；competitive(adj.竞争性的，竞争的，有竞争力的；比赛的)；competitor(n.竞争者，对手，敌手)
7.insert v．插入，嵌入；添加 n.插页，插入物
【记】词根记忆：in(进入)+sert(插，放)--插进去--插入，嵌入
【例】The nurse inserted a needle into the medicine vial.
护士把一根针插入了药瓶里。
8.aggressive adj.侵略性的，攻击性的，爱寻衅的；有进取心的
【记】词根记忆：ag+gress（行走）+ive(…的)--不断行走，走到别国--侵略性的
【例】Children become aggressive and nervous-cooped up at home all day，with nowhere to play.
孩子们整日被关在屋子里，没有地方玩耍，变得好斗和不安。(2001)
【派】aggression(n．侵略，侵犯)；aggressor(n.侵略者)
adj. 有效的，有影响的
