新目标版九年级英语自主导航unit13

1、unit 13 weve trying to save the earth!第 1 课时 section a la2d一、听录音或根据音标朗读词汇表中p.97p.98： littermake a difference共11个词。并在课文中划出来。二、根据汉语写出下列短语，并在课文中划出来。1拯救地球9大暈的黑烟2大声的音乐；10太多的垃圾和废物3噪音污染11在公众场合4河流底部12变成陋的地方5参与13减弱空气污染6废物污染14木头筷子7被严重污染15塑料叉子8燃烧煤块16创造一个更好的未来自主探究1. but it used to be so clean!但是它过去是如此的干净！【解读1 u

2、sed to do意思为过去常常做某事，是表达一般过去时态，它的一般疑问句 句型为：did +主语+use to do?常与其混淆的结构有：be used to do/for doing（被用于做某事）, be/get used to doing（习惯于做某事）。【举例】i used to be able to see stars in the sky.我过去常常能在天空中看到星星。 knives are used to cut things./ knives are used for cutting things 刀是用于切东西的。 on school days, he is used to

3、 getting up early.在上学的日子,他习惯于早起。【解读2 so clean意思为如此的干净。so和such都有“如此的,这样的”意思,区 别是：so后接形容词，而such修饰名词。例如：so beautiful a girl（如此漂亮的一个女孩）such a beautiful girl（如此漂亮的一个女孩）但形容词表示多少时，一般用so,如so many books （如此多的书）。【练习】根据中文完成句子（1）你过去常常留长发吗？ youhave long hair?（2）这个老人习惯于住在农村了。the old manin the countryside.（3）教室里的那

4、台电脑室用來查找信息的，而不是用來给你们玩游戏的。the computer in our classroomsearch for information, butit isn'tplaying computer games for you.（4）用这么少的金钱购买这么贵重的一件东西是多么不可能啊！it's impossible to buy a expensive thing with little money!第 2 课时 section a 3a4c一、听录音或根据音标朗读词汇表中p.99p.100： sharktnmsportation共14个词。并在 课文屮划出来。二、

5、根据汉语写出下列短语，并在课文中划出來。1听说10不再2鱼翅11不仅而且3一整条鲨鱼12食物链4一碗13在海洋生态系统屮5捕捉鲨鱼14在过去的二=十年里6切除15更新法律法规7扔回到海洋16科学的研究8没有了鱼鳍17到目前为止9对有害18对健康有益自主探究、1. this method is not only cruel, but also harmful to the environment.这种方法不仅残酷， 而且对环境是有害的。【解读】not only. but (also)意思为不仅.而且.，在句屮常用来连接两个对 等的成分，also可以省略。not only. but (also)用

6、来连接两个主语时，谓语动词的单、复 数遵循"就近原则”，即和but (also)后的名词或代词的数一致。同时， not only. but (also).连接两个分句，当not only位于句首，前一个分句常用倒装来表示 强调，而but (also)后的分句仍用陈述语序。【举例】she speaks english not only in class but (also) at home.她在课堂上和家里都说英语。not only her parents but also she is fond of watching football matches.不仅她的父母，而且她都喜欢看足

7、球比赛。not only does the sun give us light but also it gives us hea匸 太阳不仅给我们光还给予我们热。【练习】选择题(1) not only but . repair it.a. can he; he can b.he can; can he c.can he ; can he d.he can; he can(2) not only li ming but i students.a. isb. arec. amd. be2. so far, no scientific studies have shown that shark

8、9;s fins are good for health, so why eat them?到目前为止，没有科学的研究已显示鱼翅对健康是有益的，所以为什么要吃它们 呢？【解读此句中用到的是现在完成时态，其结构为：主语+ have/has + done.此句型 屮的have/lias为助动词，其否定形式为haven/ hasift.常与其连用的时间状语有：so far; in the lasl/pasl few years; since then; for some years.【举例】i have taught english here since then.白从那时起我就一直在这教英语。i

9、haven? t heard from her these days.这些口子我没有收到她的信。 they have been away for two years.他们离开已经两年了。the numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.在过去的20到30年里一些种类的鲨鱼数量己经减少了 90%多。【解读2 be good for意思为对.有好处，有益。常与其混淆的结构有：be good at （擅长于）；be good with（善于与打交道、对有办法）;b

10、e good to（对友好）【举例】running is good for our body.跑步对我们的身体有好处。i am good at running.我擅长于跑步。tony is good with his classmates, so they all like him. tony 善于和他的同学打 交道，所以他们都很喜欢他。we like our english teacher, because she is good to us.我们喜欢我们的英语老 师，因为她对我们很友好。【练习】选择题（1）the famous writerone new book in the past

11、two yeara. is writingb. was writingc. wroted. has written(2)our countrya lot so far. yes i hope it will be even.a. has changed ；wellb. changed ；goodc. has chan ged ；betterd. changed ；better the smithsin china for 8 years.a. has livedb. livedc. have beend. live(4) my friend was good me when i was ill

12、. she told me that eating morevegetables is good my healtha. with; forb. to; forc. with; to d. for; with(5) li mei is interested in drawing. also, she is good it.a. withb. toc. atd. for第 3 课时 section b lale一、听录音或根据音标朗读词汇表中p.101: recyclenapkin共2个词。并在课文屮划出来。二、根据汉语写出下列短语，并在课文中划出来。1停止开车5.使用纸巾2再利用书木和纸张6做

13、很难3关掉灯7带上你自己的袋子4洗头8停止做曲自主探究1.1 stopped using them last year.去年我就停止使用他们了。【解读此句子的时态为一般过去时态，常与其连用的时间状语有：yes血day/ lastweek/ last month/ last year/ .ago.【举例】he waited for you here three hours ago.-个小时以前他在这里等伤【解读2 stopped为stop的过去式。在英语当中动词的过去式分为规则变化和不规则 的变化，不规则动词总数大概不过200多个，但是使用频率很高。主要分成三类：1、第一类不规则动词的三种形式同

14、形，如:cost cost cost/ cut cut cut/ hurt hurt hurt2、第二类不规则动词的过去式和过去分词同形，女口： bring brought brought/ catch caught caught/ lead led led3、第三类不规则动词的原形、过去式和过去分词都不相同，如:begin began begun/ break broke broken/ grow grew grown/ ring rang rung/ wake woke / waked woken此外还有少数不规则动词的过去分词与原形相同，如1： come came come/ becom

15、e became become/ run ran run【练习】用所给动词的适当形式填空(1) tom and mary(come) to china last month.(2) mike (not go) to bed until 12 o'clock last night.(3) mary(read) english yesterday morning.(4) there(be) no one here a moment ago.第 4 课时 section b 2a2e一、听录音或根据音标朗读词汇表小p.102p.103： upside downcreativity共7个词。并

16、 在课文中划出来。二、根据汉语写出下列短语，并在课文中划出来。1扔掉10擅长回收2不再需要11开一家小店3投入更好的使用12建立一个网站4有一个有创造力的头脑13在网上出售5推倒14使用1 口物的新方法6倒转、颠倒15因为而出名7由制作而成16的重要性8旧的玻璃瓶17带来快乐9获奖18一点创造力菊自主探究1. she lives in a house in the uk that she built herself out of rubbish.她住在英国的一"幢房 子里，这幢房子是她自己亲手用垃圾建造的。【解读句子中that she built herself out of rub

17、bish是用来修饰house的，我们称它为定语从句。当先行词为物体时，关系代词用that/which；当先行词为人时，关系代词用that/ whoo【举例】(1)he is the man that i saw yesterday.他就是我昨天见的那个人。(2) the bag that you are carrying is my mother.你止拿着的包是我妈妈的。【解读2】build out of.意思为用建造。【举例】they built a boat out of wood.他们用木头造了一条船。【练习】选择题(1) the girlan english song in the n

18、ext room is tom's sister.a. who is singing b. is singing c. sang d. was singing(2) can you lend me the novelthe other day?a. that you talkedb. you talked about itc. which you talked withd. you talked about翻译句子。(3) 你应该用石头建造一个房子。you should your housestones.(4) 很多日常生活用品是塑料制的。many things in daily li

19、fe areplastic.2. not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity.艺术不仅能给大家带来快乐，而且它也 展示了：只要带有一点创造力，甚至冰冷坚硬的铁块也能被唤起活力。【解读11 not only. but (also).连接两个分句，当not only位于句首,前一个分句常 用倒装来表示强调，而but (also)后的分句仍用陈述语序。这就是

20、句中can提前的原因。【举例】 (1) not only is this young man clever but also he is hardworking.这个年轻人不仅聪明而且还很勤奋。(2) not only did he speak english correctly, but also he speaks it fluently. 他不仅说英语说得很标准，而且还流利。【解读2】bring back to life意思是复活，给予活力。【举例】(1) can bring flowers back to life?可以让花起死回生？(2) anyway he was dead; we

21、 couldn't bring him back to life. 反正他死了，我们不能使他复生。【解读3 creativity意思为创造力，独创力，词性为名词。其动词为create(创造)；形 容词为creative(有创造力的).【举例】(1) god created the world.上帝创造了世界。(2) creative people often have some creative thinking.有创造力的人通常会发挥一些有创造力的思维。(3) i regard creativity both as a gift and as a skill.我认为创造力既是一种天赋

22、也是一种技巧。【练习】选择题(1) not only miss li like music, but (also) she sports.a. /; likesb. does; likesc. does; liked. is; like(2 ) on the one hand, we need .a. createb. creativec. creativityd. created第 5 课时 section b 3aself check一、根据汉语写出下列短语，并在课文屮划出来。1不够美丽5看到许多变化2需要被改善6更多地乘坐公共交通工具3环境问题7被工厂污染4解决问题的方法8变得越来越糟糕

23、®自主探究、一l.the river is polluted by factories.这条河流被工厂污染了。【解读】句中is polluted为被动语态。被动语态由“be+及物动词的过去分词”构成。人 称、数和时态的变化是通过be的变化表现出来的。现以teach为例说明被动语态在各种时 态中的构成。一般现在时：am / is / are + taught 一般过去时：was / were+taught 一般 将来时:will / shall be+taught 现在进行时:am / is / are being+taught 现在完成时：have / has been + taug

24、ht【举例】(1)the window is broken by mike.窗户是迈克打破的。(2) some new computers were stolen last night. 一些新电脑在昨晚被盗了。(3) this book will be finished reading by him.这木书将要被他读完。(4) the classroom is being cleaned by the students.教师正在被学生们打打。(5) the radio has been repaired.收咅机已经被修好 了。【练习】选择题(1) the olympic gamesevery

25、 four years.a. are heldb. were heldc. are holdingd. will hold(2) usually computersto search the internet.a. useb. are usingc. are usedd. used(3) it is reported that more new teaching buildingsin our school in thenext term.a. will be built b. was builtc. has builtd. will build(4) don'l discuss th

26、e problems with your partner unless youto do so.a. askb. are askedc. will askd. will be askedunit 13 we5re trying to save the earth!第 1 课时 section a la2d二、短语理解1 save the earth5. play a part in9. a lot of black smoke2. loud music6. waste pollution11. in public places14. wooden chopsticks 自主探究12. turn

27、 into ugly places15. plastic forks13. cut down air pollution16.1 ead to a better future1. (1) did use to(2) is used to living(3) is used to; used for(4) so; such; so3. noise pollution 4. the bottom of the river7. be badly polluted & burn coal10. too much rubbish and waste第 2 课时 section a 3a4c二、短

28、语理解1 hear of2. shark's fin5 catch sharks6. cut off9. be harmful to10. no longer13. in the oceant;ecosystem15. develop laws 自主探究 l.(l)a c3. a whole shark7. throw back into the ocean11. not onlybut ( also).14. in the last 20 or 30 years4. a bowl of8. without a fin12. the food chain16. scientific studies 17. so far2. (1)d (2) c (3)