1.exaggerate v.夸张，夸大其词
【记】词根记忆：ex(表加强)+agger(堆积)+ate--越堆越高--夸张
【例】This dress's worth was greatly exaggerated by the shopkeeper.
这条裙子的价值被店主过分夸大了。

【用】exaggerate 一般指将某事物用夸张的语苦描述。

2.sterile adj.不能生殖的，不育的；（指土地）不毛的，荒瘠的；无结果的，无效的；无菌的，消过毒的
【例】There has been a big jump in the number of operations cancelled because of a lack of sterile surgical instruments, figures show.
数字显示，由于缺少无菌手术器械，被取消的手术数量大幅增长。

【派】sterility(n.荒瘠；无生殖力；无菌)；sterilize(v.为…消毒或杀菌；使绝育)

3.demonstrative adj.易流露感情的，喜形于色的；指示的，明白表示的；论证的，证明的
【记】词根记忆：de+monstr(显示)+ative（…的）--感情显示出来的--喜形于色的
【例】Some of the most demonstrative testimonies are needed from the witness.
需要证人提供一些最有说服力的证词。
Some people are more demonstrative than others．

有些人比其他人更易流露感情。

4.preoccupation n．全神贯注，专心；令人全神贯注的事物
【记】来自preoccupy(V．占据)
【例】The businessman has got so many preoccupations at the moment.

那位商人眼下有太多的事情要处理。

5.preach v.讲道，布道；说教，宣扬
【记】联想记忆：p+reach(传开)--将教义传开--说教
【例】A Pakistani lawyer said the resumption of the trial of eight foreign aid workers accused of preaching Christianity in Afghanistan has been put off until Sunday.

一位巴基斯坦律师表示，对8名被指控在阿富汗传播基督教的国外援助工人审判的重新开庭已经被推迟到周日。（2003听力）

6.brain n.脑子；脑力，智能
【例】The human brain grew bigger, and human beings began to invent more and more tools and machines.
随着人脑变得越来越大，人类开始发明创造越来越多的工具和机器。(1998)
eat/cudgel/rack one's brain: Mr. Brown racked his brain trying to remember where he left the wallet.
布朗先生绞尽脑汁回想他把钱包落在哪里了。
have sth. on the brain :The coach has winning on the brain.
教练一心想取得胜利。
brain drain: The brain drain to Europe and America has been a serious problem.

人才向欧美外流是个严重的问题。

7.converse v．交谈 adj.相反的，逆的 n.相反事物；相反词
【记】联想记忆：con+vers(转)+e--话题转来转去--交谈
【例】They got lost in the forest and went in the converse direction.
他们在森林里迷路了，并朝着相反的方向走了起来。

【派】conversation（n．会话，闲谈）

8.prescribe v．处（方），开（药）；命令，指示，规定
【记】词根记忆：pre(预先)+scrib(写)+e--预先写好--规定
【例】The government did not prescribe remedies upon any settled system.
政府没有对任何既定体制指定补救办法。
Doctors must diagnose before they prescribe a drug.
医生在开药前必须要先对病人进行诊断。
【派】prescription(n．处方；指示，规定)