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课件网) water pollution Section D Unit 2 Saving the Earth Topic 2 All these problems are very serious. Teaching aims 1.Knowledge aims： Master some key words and phrases 2.Skill aims: Learn to use Indefinite pronoun and adverb 3.Emotional aims: To save water is to save our home 节约用水就是拯救我们的家园 Where there is water, there is life 哪里有水，哪里就有生命 Review复习（Indefinite pronoun and adverb） somebody, someone, something, somewhere anybody, anyone, anything, anywhere nobody ， no one , nothing, nowhere everybody, everyone, everything, everywhere 一般情况下用于肯定句 一般情况下用于否定句和疑问句 表否定含义 可用于各种句式 But the government is doing _____ useful to protect the environment. _____ should care for wild animals and plant more trees. Don’t spit _____ in public. something Everyone anywhere Practice 1 none和no one 的区别; No one 1)不与of连用； 2)谓语动词用单数； 3)只能指人 4)一般用来回答who引起的疑问句。 None 1)可与of连用； 2)谓语动词用单或复数； 3)指人或物； 4)回答how many , how much 引起的问句。 1. of us likes pollution. 2. Who was working in the office last night -- 3 How many birds can you see in the picture -- None No one None Practice 2 1.I have ____ to tell you. A. important something B. something important B 形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后 Practice 3 2.Everybody ___ ready for the match. A. is B. are A 不定代词作主语时，谓语动词要用单数。 3.Could you give me__ to eat A something B anything 当说话人希望得到肯定答复,或是表示建议、请求等意图时,something, somebody, someone也可以用于疑问句中。 4.__who breaks the rules will be punished A somebody B anybody 当要表达“任何人；任何事物”时,anything, anybody, anyone也可以用于肯定句中。 A B 一.Fill in the blanks _____of us likes pollution. Don’t spit _____ in public. _____ should care for wild animals and plant more trees. We should do _____ we can to protect the environment. None anywhere Everyone everything Check the preview 预习检测 1._____ a result（结果）, a lot of rich land has changed _____ （变为）desert. 2.Trees can stop the wind from _____ the earth _____(吹走）. 3.We shouldn’t leave rubbish _____(到处). 4.All these problems are very serious,_____(所以) we must do something now. into blowing away here and there so As Work alone自主学习 1.Read 1a and find out the key points and the difficulties by yourselves. 2.Read 1a and finish 1b . Group work 小组学习 1.Discuss the difficulties in 1a 2. Discuss 1b Class work 集体学习 1.even thirstier 2.be covered with 3.be short of/water shortage/ the shortage of 4.avoid doing sth 5.make some progress 6.day by day 7.enough/reuse/fresh/sea/plenty of water Although the world is hungry, it is____ ____(甚至更渴). While nearly of the earth ___ ____ ____(被……覆盖)water, we ——— ——— ———（缺乏）drinking water. This is because about 97% of the water on the earth is ——— ———（海水）. Humans can only drink and use ——— ———（淡水）from rive ... ...
