Unit2 The environment语法点23页修改版.ppt

Unit2 The environment The economy or the enviroment---- must we choose? 课题导入 学习目标 Learning Objectives 1. 100% students get a better understanding of this passage 2. 90% students grasp the words and expressions in this passage 预习指导 Preview 根据句意及首字母写出单词 1 They are d______ about how to protect the environment. 2. Tortoises often l____ eggs on the sand and bury them in the sand. 3. Nowadays many factories lack the sense of social r________ _and dont pay attention to environmental protection 4.After a brief survey I find most children w______ to do something to help others 5. Hawking was rushed to hosipital and had an o______ on his neck. 探究一：重点短语的用法 concern v/n 涉及；牵挂；影响； 担心 see....as... 将....视为； 把...看作 look on...as... The number of people in the world keeps growing, and we are producing more rubbish and using up more raw materials use up 用尽，使筋疲力尽 He has used up all his energy. 探究二：重点单词的用法 greedy adj 贪婪的；贪心的；渴望的 be greedy for 对....贪婪的 be greedy to do... 渴望做.... It was____ of them to eat up all the candy. A. anxious B. greedy C. curious D.generous willing adj. 意为 “愿意；乐意的” 常构成 be willing to do sth. 愿意做某事 quantity n. 数量 I prefer quality to quantity. 注意： “large quantities of +不可数名词/可数名词复数”做主语时，谓语动词都用复数 Even though a factory produces a large quantity of goods, it does not mean that it has to pump a lot of pollution into the enviroment. pump v. 意为“ 用泵输送；涌出；抽水 n. 意为 “ 抽水机；泵； 打气筒” The had some difficulty in pumping the new idea_____the old man. A. out of B. into C. in D. for 探究三：重点句型 What Im here to say is that having worked with many environmental consultants, I know that a healthy enviroment and development should be possible at the same time. 注意：在含有what引导的主语从句的复合句中，主句的谓语动词一般用单数形式，但若从句中的表语是复数形式，则主句谓语动词用复数形式。 What we neeed are two trucks. The villagers have already known____ well do is to rebuild the brige. A. this B. that C. w