译林版(三起)英语六年级上册《Protect the Earth》PPT(第一课时)
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《Protect the Earth》PPT(第一课时)
第一部分内容:Introduce
We should use/ we should not use …
We should reuse …
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Protect the EarthPPT,第二部分内容:Words
protect /prə'tekt/
动词,表示“保护” 。
现在分词为protecting ,过去式为protected
常用短语: protect the earth 保护地球
eg:We should protect the environment。
我们应该保护环境。
小练习:The boy always_________(protect) his sister .
useful /'juːsfʊl/
形容词,表示 “有用的” ;同义词为helpful。
常用短语:be useful for对……有用
eg:There is a very useful piece of advice.
这是一条非常有用的建议。
小练习: I think this reference book is very____(use).
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Protect the EarthPPT,第三部分内容:Expressions
Most of our energy comes from coal and oil.
我们大部分的能源来自煤炭和石油。
most of 表示“大多数” ,后接可数名词或不可数名词均可。
其作主语时,be 动词或谓语动词的形式由介词of后面的名词来决定。
eg:Most of the trees are cut down.
大部分树木都被砍伐了。
小练习 :( ) ____ of time is wasted by him.
A. much B. most C. many
We should not drive so much because cars use a lot of energy.
我们不应该经常开车,因为汽车耗用大量的能源。
(1)because的用法
because表示“因为” ,后面跟一个从句。
它表示必然的因果关系,语气较强;
通常放在主句之后,若需强调则放在主句之前。
eg : I want to go home because I am hungry.
我想回家,因为我饿了。
小练习 : trees, air, because, can, the, keep, clean(.)
Because trees can keep the air clean.
(2)so much 的用法
so much在这里作为程度副词来用,表示“如此多”的意思,so用来修饰much,用来强调程度之大。
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Protect the EarthPPT,第四部分内容:Expand
another/else 的区别
(1) another的确指的是“三者或以上中的另外一个” ,修饰名词单数。
固定结构:another + 基数词 + 名词复数 = 基数词 + more + 名词复数,其意思是“另外/再多少个...”。
eg:another six apples = six more apples 再(想要)六个苹果
another two books = two more books 还(需要)两本书
(2) else 是个副词,表示“另外” 、 “其它”的意思。
eg: Would you like something else to drink?
你还要喝点别的什么吗?
We went to the park and nowhere else.
我们到公园去了,其它什么地方也没去。
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Protect the EarthPPT,第五部分内容:Exercise
( )1.There are ______trees in the park.
A.much B.a lot C.many
( )2.We ______reuse and saver water.
A.can’t B.should C.shouldn’t
( )3.There is not______coal on the Earth.
A.a B.many C.much
( )4.We often use______ to make desks and chairs.
A.water B.plastic C.wood
( )5.We shouldn’t use_____plastic bags.
A. too many B. too much C. so much
( )6. _____use too much plastic.
A. Not B. Don’t C. Can’t
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Protect the EarthPPT,第六部分内容:Homework
Design the story framework alone and retell the article according to the key words.
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