prep. 的, 属于相关词组: to accuse sb of... tell sb of sth do sth of necessity deprive sb of sth of recent years of all... of it be absorbent of

• “in the+名词+of”类复合介词
  
  比较典型的“in the+名词+of”类复合介词有以下一些：
  1. in the absence of 缺乏，不在，无……时
  In the absence of anybody more experienced, I took command. 由于找不到其他更有经验的人，只好由我来指挥。
  I was obliged to accept it as true in the absence of other evidence. 我在缺乏其它证据的情况下只好把它看成真的。
  2. in the act of 正在做……时
  In the act of picking up the ball, he slipped and fell. 他在拣球时滑了一跤。
  I caught him in the act of reading my private letters. 他正在读我的私人信件时，被我当场抓住了。

enough/adequate/plenty/of/lots/of/a/lot/of/quantities/of/several/many/many/a/a/large/number/of/much/a/great/deal/of/a/large/amount/of
记忆：
1. enough [ i5nQf ] adj. 足够的 n. 充足 adv. 足够地, 充分地 int. 够了! I’ve had enough of it!我受够了！
2. adequate [ 5Adikwit] ad-equa-te ad, 广告；equa, 平等；adequate, 与广告相等的，说明质量和数量都足够了（广告一般都夸大其词）。 adj. 适当的, 足够的 We have adequate hands to do the job.我们有足够的人手来做这项工作。
2. plenty [ 5plenti ] of adj. 许多 There is plenty of rain at this time of year.每年这个时候雨水都很丰富。
3. quantities [ `kwCntItIv ] of 大量的 There live quantities of squirrels in the wood near the cottage.村舍附近的树林里有大量的松鼠。
4. a lot of / lots of 大量的 We have a lot of work to do.我们有大量的工作要做。
5. several [ 5sevErEl] 几个（修饰可数名词） I have several books about Hawking, the disabled but one of the greatest scientists.我有几本关于霍金的书，他虽身患残疾但，却是世上最伟大的科学家之一。
6. many [ 5meni ] 许多 （修饰可数名词复数）Many students are a little tired of doing one test after another. 考试一个接一个，许多学生都厌倦了。
7. many a 许多 （修饰可数名词单数） Many a student is a little tired of doing one test after another. 考试一个接一个，许多学生都厌倦了。
8. a good many 许多 （修饰可数名词）A good many students are a little tired of doing one test after another. 考试一个接一个，许多学生都厌倦了。
7. a large number of 许多 （修饰可数名词） A large number of students volunteer to work for the Olympics. 许多学生自愿为奥林匹克服务。
8. much [ mQtF] 多（修饰不可数名词） There isn’t much milk in the bottle now. 瓶子里面的奶不多了。
9. a great deal of 大量的（修饰不可数名词） Mr. Wang made a great deal of money by dealing in real estate.王先生做地房地产赚了不少的钱。
10. a large amount of 大量的（修饰不可数名词）When can we have a large amount of time to enjoy ourselves completely?什么时候我们才有大量的时间彻底放松一下？
11. a large sum of 一大笔（钱） The project calls for a large sum of money.这工程需要一大笔钱。
另类阅读：
I don’t have enough time to drink plenty of water. A large number of people have no habit of drinking water every day. But experts say that it’s necessary to have a great amount of water daily.

轻松一刻
TEACHER: George, go to the map and find North America.
GEORGE: Here it is!
TEACHER: Correct. Now, class, who discovered America?
CLASS: George!