大学英语：合成词：

rainforest： n. 热带雨林

　　rainfall： n. （降）雨量；一场雨

　　greenhouse： n. 温室

　　forestland： n. 林地

　　make-up： n. 组成，化妆

　　课文中出现的重点单词：

　　1.upset v. 弄翻，打翻；使苦恼

　　过去式、过去分词：（upset-upset-upset ）

　　a. 不安的；不适的；不舒服的

　　E.g.： The large wave upset the boat.

　　He is upset because of the generation gap.

　　2.contribute （vi./vt）

　　E.g.： The Nobel Prize winner contributed much to the research in this field.

　　contribute to： 有助于；捐献；起作用

　　His carelessness contributed to the accident.

　　3.derive v. 由…。得到（from）；起源，由……派生（from）

　　E.g.： He derived his love for table tennis from his father.

　　Many English words derived from French.

　　4.cancel v. 取消；删除

　　E.g.： The decision of the court cancelled the contract.

　　5.owe ： vt. 欠（债等），应该向（某人）付出；应该把…归功于（to）

　　E.g.： I owe a great deal to my family and my friends for their support.

　　His success does not owe to luck but hard work.

　　Phrases：

　　1.speed up （使）加速

　　E.g.： The heart speeds up.

　　We should make double efforts to speed up socialist construction.

　　2.threaten with 用…威胁，恐吓

　　E.g.： The boss threatens the employees with dismissal.

　　老板以开除来威胁员工。

　　3.at the rate of 以…速度或比率

　　He drives at the rate of 40 kilometers per hour.

　　The population in this country is increasing at the rate of 1%.

　　4.in the face of 在…面前，当着…的面；不顾

　　face： n. 脸；正面 v. 面对

　　E.g.： He was brave in the face of danger.

　　5.stop…。from… 阻止…做…

　　I can hardly stop myself from shouting at him.

　　Having no money cannot stop them from falling in love.

　　6.pay off 偿还；没有白费

　　He plans to pay off the loan （贷款） in five years.

　　7.solution to 解决…的方法

　　8.last but not least 最后的但并非最不重要的

　　Last but not least， we must find a peaceful solution to the problem.