九年级英语Its wasteful to throw away paper and metal教案Word下载.docx

1、 3、情感目标：引导学生提高环保意识Teaching keys；（1） 句型： Its wasteful to throw away glass, paper and metal Its also at home that we save energy and recycle.We should stop the factories from polluting the river.（2）语法：掌握前缀，后缀构词法。Teaching difficulties: 1.some ideas on how to protect the environment.2.强调句的初步掌握。知识点拨-：一Ke

2、y words：1.waste n./v. 意为“浪费”e.g 1） We shouldnt w_ water and electricity.2） You shouldnt play computer games. Its a w_ of time.2.wasteful adj 意为“浪费的”e.g 1） Its w_to throw away paper.3.pollution n. 意为“污染”，不可数名词e.g 1） Air p_is a serious problem. 2）we must stop the p_of our beaches. v. pollute eg. Water

3、 p_is a serious problem .We shouldnt p_ water.4.hopeless adj 意为“希望渺茫”的，在句中作定语或表语。1） He is really a _man. 他真是一个无可救药的人。 【帮你归纳】hopeful 反义词，意为“有希望的”hopelessly 副词，意为“没有希望的” 拓展-less是表示“少的，不足的”等否定意义的后缀 eg useless无用的 homeless 无家可归的 careless 粗心的 helpless 无助的5. throw away 扔掉， 抛弃（某物） eg.1）不要将你的玩具扔掉.Dont_拓展thro

4、w away是 “动词+副词”构成的短语，人称代词作宾语 时，代词应放在中间。eg.不要把它们扔掉。 Dont_【帮你归纳】throw about 乱扔（东西） throw at 投向 throw back 掷回 throw by 扔掉 throw off 迅速脱掉，摆脱 throw aside 把.扔在一旁。二Key sentences :1.Everyone agrees we must be careful about the environment. 【帮你归纳】 1）agree （that）+宾语从句2）agree to do sth3）agree with sb/what sb s

5、aid/ ones opinion.4）agree to/on sthe.g我不同意你说的话。 I dont_ _ _you said. Do you agree_（start）next Sunday？我们在这项计划上没有达成一致意见。 We dont_ _ the plan.2. be careful with/about/of 小心/谨慎地对待 eg. 1）_ _ _the ice on the road.小心马路上的冰。2）_ _ _the knife, it may_ your hand.当心小刀，它可能会切着你的手。3.Its also at home that we save en

6、ergy and recycle【解析】这是一个强调句，在英语中我们常用It is/was.who/that 结构来突出强调句子某一成分（一般是句子的主语，宾语或 状语）。在这个句型中，it没有词汇意义，只是引出被强调的 成分。如果被强调的成分是表示人的词用who或that连接都可以。如果是其它成分，则一律用that来连接。强调句的句 型结构是：It is/was+被强调部分+that/who. e.g 1） It was Jane who/that helped me.是简帮了我（强调主语Jane）2）It was me that Jane helped. 简帮助了我 （强调主语me）3）I

7、t was_ _I _a singer in the street. （我是在昨天在街上遇到一名歌手的） 4.We should stop the factories from polluting the river. 【解析】stopfrom doing sth意为“阻止做某事”，from后必须 接V-ing形式，其同义短语为preventfrom doing sth和keepfrom doing ,其中keepfrom doing中的from不可省 略，其它两个都能省略。e.g 1） The rain stopped them from_（go） out.2） Please_ the ch

8、ildren _ _ in the river. 请不要让孩子们在河里游泳。3）_ 没有什么能阻止我们去那里。5.Such as turning lights off, so we dont waste electricity. Such as“例如”用来列举同类人和物中的几个例子。e.g Peter has many hobbies ,_ _ _football, swimming and fishing.（ 彼得有很多爱好，比如踢足球、游泳和钓鱼）【妙辨异同】such as 与for examplesuch as 用在句中时，表示举例，一般列举同类人或事物中的几个例子，as 后不用逗号。f

9、or example 用来举例说明某一论点或情况，一般只举同类人或物中的 “一个”为例，其后用逗号与其它成分隔开eg. Some animals_ pandas and bears live in this mountain. A. for example B. such as C. likes D. above all当堂达标一、根据句意和首字母提示完成单词。1.The iron is an important m_.2.Water p_is becoming more and more serious.3.Everyone should protect out living e_.4.Ha

10、rry Potter has a lot of r_ all over the world.5.Its h_for the enemies to win the battle.6.We should not w_waster and electricity.7.This machine can translate sunshine into e_.8.Paper can be r_to use again.9.Lucy tried and tried but nothing had ever happened so she felt very h_.二、选择填空（ ） 1. We should

11、_ students_computer games.A.stop; from B. stop; from play C.stop; from playing D. keep; from doing（ ） 2.We are_that he will win. A. hopes B. hope C. hopeful D. to hope（ ） 3.Both Jim and Kate_ in Beijing now. They both_from America.A.is; come B. are; come C. is, comes D. are; comes （ ）4.It was becaus

12、e of bad weather_ the football match to beput off. A. so B. so that C. why D that三、根据汉语提示完成句子。1.乱扔东西不是一个好习惯。_ not a good habit_ _ things _.2.我昨天是在操场上捡到那个钱包的。 _ _ on the playground _I picked up the wallet yesterday. 3.我喜欢很多水果，比如苹果和香蕉。 I like lots of fruit,_ _apples and bananas.4.什么也不能阻止我们去北京。 Nothing

13、 can_ us_ _to Beijing.5.在家中我们也能节约能源，例如关上灯。 We can also _ _at home,_ _turning lights of 能力提升一、用词的适当形式填空1.You cant let him help you. Its _（hope）.2.Do you care for the _（environment）problem.3.Its_（waste） not to turn off the lights when you sleep.4.We should stop the factories from_（pollute） the river.5

14、.We may sell the waste for_（recycle）.6.The room must be_（keep）clean.7.We are looking forward to _（reuse） the paper and the metal.二综合填空 Henry was worried. This was his first time to go traveling by air. He did not know h_ to find his seat, so he went to the air hostess and asked, “Could you help me?

15、I cant find my seat.” The air hostess s_ him the seat and told him to sit d_ and fasten the seat belt. She told Henry not to m_ about when the plane was going up. And she also said that Henrys ears might feel a little s_, but he didnt need to worry about it b_ many people felt like that. When the pl

16、ane was f_ very high, Henry could stand up and walk round. He could e_ read books, newspapers or see films. The air hostess would b_ food and drinks. Henry could e_ the flight and arrived home soon.三、动词应用（必要时加助动词或情态动词）。 Tom is a boy of fifteen. His parents _（die） two years ago, and he had to make a

17、living by himself. Now he _（work） as a servant at Mr. Jacksons. He works hard and Jackson is pleased with him. Mr. Jackson enjoys _（plant） all kinds of trees. There are many kinds of precious（珍贵的）trees in his garden. The week before last Mr. Jackson _（bring） a few trees home, planted them in the gar

18、den himself and watered them every day. Some days later, he had to _（leave） for another city. Before he started, he said to Tom, “_（take） good care of the plants when I m out. Some boys of our neighbors always want _（steal） them.” “_（not worry） about them , sir,” answered Tom. “I _（try） my best to w

19、atch them.” Six days passed and Mr. Jack son came back. As soon as he saw Tom, he asked, “_anyone _（come） to steal the trees?” “No, sir,” said Tom. “I pulled them six days ago. Now they have been hidden for nearly a week!” 语法苑 前缀、后缀构词法 加前缀、后缀是英语中最常见的扩充词汇的方式，也是学习英语必须掌握的构词法。比如，我们学会care,就能掌握careful,car

20、eless,carefullycarelessly.下面我们介绍几个常见的前、后缀：1.re+动词或形容词表示“再”如：rewrite, reuse,recycle,retell,rebuild,reusable（adj可重复使用的）2.in（im）-表示“无，不”后面常加形容词，如： incorrect, impossible, impolite3.un-表示“不，无”，后面常加形容词，如： untrue，unhappy, uncomfortable, unusual4.dis-表示“不，无”后面常加动词或形容词，如： dishonest（adj）,disagree, disappear,

21、dislike5.-able表示“可能，易于，适合于”，构成形容词，如： comfortable, enjoyable,eatable（可吃的）6.-ful表示“充满的，具有性质的”构成形容词，如： helpful, hopeful, powerful, useful, careful, beautiful7.-less与ful 相反，表示“少的，不足的”构成形容词，如： helpless, hopeless, useless, careless, homeless【巩固练习】一用所给动词的适当形式填空 1.We should be_（thank）to our parents.2.Readin

22、g English for half an hour every day is very_（help） to us.3.Its_（use）to say so much to him.You cant change his idea.4.we hope this milk is _（harm）to babies.5.We should do our best to help the children who are_（home）6.Its a _（wonder）picture.I have never seen it before.7.The computer is very_（use）for you to learn English.8.Be _（care）when you cross the street.9.Which is _（enjoy）,traveling by train or by plane?