504. respon n. 回答，答复；反应
In a purely biological n, fear begins with the body’s system for reacting to things that can harm us—the so-called fight-or-flight respon. （2006年12月24日大学英语四级(CET-4)真题试卷(A卷)）
505. nsible a. 明智的
I find him a very nsible man.
我发现他是一个很有头脑的人。
506. nsitive a. 敏感到，灵敏的
The speech skirted round all the nsitive questions.
这个讲话回避了所有的敏感的问题。
507. tremble vi. 颤抖
She could not but tremble at the preparations.
她对于这种安排不由得颤抖起来。
508. tremendous a. 巨大的；精彩的
But the success paradoxically obscure the tremendous human costs of historically accumulated disadvantage that remain central to black Americans’ lives. （2006年6月17日大学英语四级(CET-4)真题试卷(A卷)）
509. trend n. 趋向，倾向
One new trend involves sourcing portions of a rearch program to another country. （2007年12月大学英语四级考试真题）
510. trial n. 审讯；试验
The examinations were a great trial to me.
这些考试对我而言真是一大考验。
511. apparent a. 显然的，明白的
The term “glass ceiling” was first ud by the Wall Street Journal to describe the apparent barriers that prevent women from reaching the top of the corporate ________. （2006年6月17日大学英语四级(CET-4)真题试卷(A卷)）
A) niority
ordinary day
B) superiority
C) height
D) hierarchy
512. appetite n. 胃口；欲望
How about your appetite today?
今天你的胃口怎麽样？
513. deposit n. 存款，定金 v.存放，储蓄
富爸爸She deposited her paycheck every Saturday.
她每星期六都存储她的薪金支票。
Ten yuan is the minimum initial deposit.
最低的开户存款金额是十元。
514. deputy n. 副职，代表
The deputy chairman of the charity clarified the importance of clarity and purity.
慈善团体的代理会长验证明了透明和纯洁的重要性。
515. derive vt. 取得，得到；(from)起源于
people’s unpleasant memories are derived from their feeling of fear （2006年12月23日大学英语四级(CET-4)真题试卷(B卷)）
516. descend v. 下来，下降
A double blessing has descended upon Tom. （2006年12月23日大学英语四级(CET-4)真题试卷(B卷)）
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[基础语法] 四级名师语法讲义-状语从句之比较状语
2011年08月25日11:03 来源：新东方在线 【发表评论】
5. 比较状语从句：
than, as…as…，not so as…，（not) the same as, the+比较级；
eg：Light travels fast than sound.
星期一到星期天的英文the+比较级：
eg：The sooner，the better.
eg：Girls are thus en as less valuable than boys and art kept at home to do houwork while their brothers are nt to school - the prophecy（预言) becomes lf- fulfilling, trapping women in a vicious circle (恶性循环) of neglect.
（1）当……的时候：while, when, as ；
when：强调一件事情正在发生的时候，另外一件事情突然发生；
eg：When I was watching TV, my mother came back.
while：强调两个动作同时进行，一边……一边……；
adhereeg：My father is cooking while my mother is reading newspaper.
as："随时间推移"
eg：As time went by, the days became longer and longer.
（2）一……光华学院就……：as soon as ,主将从现；用directly，immediately, instantly连接两个句子；一些名词如jinjinthe minute，the moment, the instant也可表示；no sooner… than, hardly… when后面的句子需要倒装；
eg：I will write to you the moment/minute I arrived in Paris.
（3）特殊单词：by the time that, every/each time（使用时后面不要再加when）
（4）till＆until：
① 肯定形式表示的意思是"六级准考证打印做某事直至某时"，动词必须是延续性的；
否定形式表达的意思是"expert直至某时才做某事"草莓的英文，一般用until，动词为延续性或非延续性都可以；
eg: I slept until midnight.
Wait till I call you.
She didn't arrive until 6 o'clock.
② Until可用于句首，而till通常不用于句首，通常用于句中；
eg: Until you told me, I had heard nothing of what happened.
eg：As you sleep you pass through a quence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that repeats approximately every 90 minutes.
