原九年级英语全册 Unit 13 We're trying to save the earth学案 (新版)人教新目标版-(新版)人教新目标版初中九年级全册英语学案_第1页
原九年级英语全册 Unit 13 We're trying to save the earth学案 (新版)人教新目标版-(新版)人教新目标版初中九年级全册英语学案_第2页
原九年级英语全册 Unit 13 We're trying to save the earth学案 (新版)人教新目标版-(新版)人教新目标版初中九年级全册英语学案_第3页
原九年级英语全册 Unit 13 We're trying to save the earth学案 (新版)人教新目标版-(新版)人教新目标版初中九年级全册英语学案_第4页
原九年级英语全册 Unit 13 We're trying to save the earth学案 (新版)人教新目标版-(新版)人教新目标版初中九年级全册英语学案_第5页
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1、 unit 13we're trying to save the earth!section a (1a2d) 1重点单词:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,bin2重点短语:the bottom of,play a part in,make a difference,cut down,lead to3重点句式:we're trying to save the earth.even the bottom of the river was full of rubbish

2、.everyone in this town should play a part in cleaning it up.i used to be able to see stars in the sky.so together,our actions can make a difference and lead to a better future.1重点短语和句型2used to的用法3一般现在时和现在进行时的用法 1重点短语和句型2used to的用法3一般现在时态和现在进行时态的用法一、预习课本p9798新单词并背诵,完成下面的汉译英。1乱扔;垃圾_2.底部_3渔民_ 4.煤块_5丑陋的

3、_ 6.优点_7花费_ 8.木制的_9塑料的;塑料_10外卖食物_11垃圾箱_二、认真预习1a2d找出下列短语和句型。1的底部_2参与_3起作用_4减少;砍倒_5导致_6我们正在努力拯救地球。_7甚至河底都充满了垃圾。_8镇上的每一个人都应该参与到清扫河道的活动中来。_9我过去能够在空中看到星星。_10我们齐心协力就能带来变化,创造更加美好的未来。_ step 1情景导入teacher:there is more and more pollution in the world now,such as noise pollution,air pollution,water pollution a

4、nd so on.is there any pollution in your hometown?please discuss with your partner.环节说明:由现在的人们面临的各种污染入手,让学生谈论自己身边的环境污染问题,既锻炼了学生的口语表达能力,又为本节课的学习做好铺垫。step 2完成教材1a1c的任务1小组内齐读1a中的单词或短语,然后两人一组互相提问单词。(3分钟)2根据要求将1a中的单词按要求分类,完成后小组内互相交流答案。(3分钟)3阅读1b的问题和句子,为听力做好准备。(2分钟)4听录音,根据听力内容将1b句子补充完整,完成后集体核对答案。(3分钟)5再听一遍

5、录音,并跟读对话。(2分钟)6结对练习1c中的对话,并请一些学生表演出他们的对话。(3分钟)7模仿1c中的对话,根据1b中的听力信息,与同伴编练新对话,并邀请几组学生表演对话。(5分钟)参考案例a:the river was dirty.even the bottom of the river was full of rubbish.b:but it used to be so clean.a:yes,but people are throwing litter into the river.b:everyone in this town should play a part in clean

6、ing it up.8小结训练。(3分钟)(b)1.don't pour water into the bottle,because it has been _ water.afull withbfull ofcfill with dfilled of(c)2.there is much rubbish _ the bottom of the river.ain bto cat don(b)3.some _ went to the beach to see what happened.afisherman bfishermencfishermans dfishermens(a)4.ev

7、ery student should play a part _ keeping the classroom clean.ainbtocatdon环节说明:听说结合,第一时间向学生传达语言目标,通过对话练习和小结训练,使语言目标得以强化。step 3完成教材2a2c的任务1朗读2a和2b中的词组和句子,为听力做好准备。(3分钟)2听录音,在2a中圈出jason和susan谈论到的污染问题,集体核对答案。(3分钟)3再听一遍录音,根据录音内容把2b的句子补充完整,完成后集体核对答案。(3分钟)3听第三遍录音,学生跟读。(3分钟)4根据2a和2b中的听力内容,两人一组仿照2c的对话形式讨论练习对话

8、,邀请多组同学表演对话。(5分钟)参考案例a:the air has become really polluted around here.i'm getting very worried.b:yes,i used to be able to see stars in the sky.a:the problem is that.5小结训练。(3分钟)(d)1.my father _ a lot,but now he has given it up.aused smokebis used to smokingcwas used to smokdused to smoke(c)2.my f

9、riend from america called me yesterday.we _ for hours.achat bchattedchave chatted dhad chatted(b)3.there is _ food on the table,but you can't eat _.atoo much;too manybmuch too;too much ctoo many;too muchdmuch too;too many环节说明:通过听、说、读、写学习训练让学生掌握语言目标;并且使学生的口语表达能力在这一环节得到进一步提升。step 4完成教材2d的任务1学生自读对话

10、,回答下面的问题。(5分钟)1)what should we do to cut down air pollution?2)what should we do to solve the waste pollution?3)将下列句子翻译成汉语:our actions can make a difference and lead to a better future.2大声朗读2d 对话,读熟后与搭档结对练习,分角色表演对话。(3分钟)3邀请三组来表演对话。(5分钟)4小结训练。(3分钟)1我们应该乘公交车或地铁,而不是开车。we_should_take_a_bus_or_by_undergro

11、und_rather_than_drive_a_car.2记着把垃圾扔到垃圾箱里。remember_to_throw_the_rubbish_in_the_bins.3. 我们齐心协力就能带来变化,创造更加美好的未来。so_together,our_actions_can_make_a_difference_and_lead_to_a_better_future.环节说明:将对话问题化,既能锻炼学生的思维能力又能加深对课文的理解。小结训练又对对话中的重要句型进行了巩固加深。step 5问题探究 1used to 的用法1) 他曾经打过篮球。he_used_to_play_basketball.

12、2) 当我还是孩子的时候,我不喜欢苹果。when_i_was_a_child,i_didn't_use_to_like_apples./when_i_was_a_child,i_usedn't_to_like_apples.3) 你在来这儿之前住在哪里?where_did_you_use_to_live_before_you_came_here?/where_used_you_to_live_before_you_came_here?used to do意为“过去常常做某事”,暗指现在已经不存在的动作或状态。后跟动词原形。否定形式为:didn't_use_to_do或u

13、sedn't_to_do。疑问形式为:did主语use_to_do或used主语to_do。()3.the new teacher always encourage little tom.this has made a big difference _ him.atoboncatdin答案选择a,本题中含有短语make a difference to.表示“对产生影响或作用”。请学生们做前面课时训练部分。 section a (3a3b) 1重点单词:shark,fin,cruel,harmful,chain,ecosystem,industry,law,scientific2重点短语

14、:be harmful to,at the top of,the food chain,such as,so far3重点句式:many have heard of shark fin soup.this is not only cruel,but also harmful to the environment.the numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 1.重点短语及句型2现在完成时态3连词的用法1重点短语及句型2现在完成时态3连词的用法一、预习课

15、本p99单词并背诵,完成下面的汉译英。1鲨鱼_2.鱼鳍_3残酷的_ 4.链子_5工业_ 6.法律_7科学的_ 8.生态系统_二、认真预习3a3c找出下列短语和句型。1对有害_2在的顶部_3食物链_4到目前为止_5例如_6许多人都听说过鱼翅汤。_7这不仅是残酷的,而且对环境有害。_8一些鲨鱼的数量在过去的二三十年间降低了百分之九十多。_ step 1情景导入teacher:have you ever heard of shark fin soup?people catch sharks to cut off their fins to cook soup.so the number of the

16、 sharks is getting smaller and smaller.and now we must find some ways to protect sharks.now please discuss the problem with your partner.环节说明:由鲨鱼数量减少作为话题导入本节课的学习,引起学生的兴趣,过渡自然。step 2完成教材3a3b的任务 1阅读3a短文,将3a中的表格填写完整,完成后分小组核对答案,教师点拨。(3分钟)2认真阅读短文,根据短文内容用3b中方框中的连词将句子补充完整,小组内互相交流核对答案后大声朗读句子。(5分钟)3再次仔细阅读短文,

17、理解每一句话的意思,小组合作解决遇到的疑难问题。(5分钟)4教师点拨短文中出现的重难点。(5分钟)5熟读短文,识记背诵知识要点。(5分钟)6小结训练。(3分钟)(c)1.there are many beautiful flowers _ the top of the hill.ainbwithcatdfor(a)2.so far,the numbers of some kinds of books in the library _.ahave increased bhas increasedcincrease dincreases(d)3.i think drinking milk is g

18、ood _ our health.ain bwith cat dfor(b)4.excuse me,did he use to like playing basketball?he _ play it,but now he never plays it.aused for bused tocwas used to dgot used to(b)5.all the students went to school on time yesterday _ it rained heavily.abut balthough c/ dif环节说明:通过阅读分析文章,学生的阅读分析能力在这一环节得到提升;小

19、结训练又及时巩固强化了重要的知识点。step 3问题探究()1.so far this year,many new schools _ in wenchuan with the help of the government.abuild bare builtcwill built dhave been built答案选择d,so far意为“到目前为止”,用于现在完成时态中。请学生们做前面课时训练部分。 section a (grammar focus4c) 1重点单词:afford,reusable,transportation2重点词组:take part in,turn off,pay

20、for,take action3重点句式:have you ever taken part in an envionmental project?we can't afford to wait any longer to take action! 情态动词的用法情态动词的用法一、预习课本p100新单词并背诵, 完成下面的汉译英。1承担得起_2可重复使用的_3交通运输_二、认真预习grammar focus4c找出下列短语和句型。1参加_2关掉_3付费_4采取行动_5. 你曾经参加过环境保护项目吗?_6我们不能再等待,要采取行动了。_ step 1情景导入teacher:the envi

21、ronmental problems are more and more important.and we should do something to help save the enviroment.now please discuss with your partner and make a list of things that we can do.环节说明:由学生提出改善环境的方法,并且列出来让每个学生都关注环境。step 2完成教材grammar focus的任务1学生大声朗读grammar focus的句子。(5分钟)2小结训练。(5分钟)we_trying_to_save_th

22、e_earth!(我们正在努力拯救地球!)the_river_used_to_be_so_clean.(小河过去是如此的清澈。)the_air_is_badly_polluted.(空气被污染得很严重。)no_science_studies_have_shown_that_shark_fins_are_good_for_health.(没有科学研究表明鱼翅对健康有好处。)we should help save the sharks.(我们应该帮助拯救鲨鱼。)环节说明:通过对grammar focus句型的填空练习,能够使学生更好地理解掌握本单元的重点语法和句型。step 3完成教材4a4c的任

23、务1认真阅读4a的对话,然后用所给单词的正确形式填空,完成后教师点拨核对答案,两人一组练习对话。(2分钟)2认真阅读4b短文,用情态动词补全短文,完成后小组内互相交流所写句子。(3分钟)3列出人们为保护环境而采取的措施,完成后仿照4c的形式和搭档讨论各自所列出的措施。(3分钟)参考案例a:i think that everyone should use public transportation.b:i disagree.it's difficult for parents with young children to use public transportation.4小结训练。(

24、4分钟)1. 我能买得起这套房子。i_can_afford_to_buy_the_house.2记着离开教室的时候关灯。remember_to_turn_off_the_lights_when_you_leave_the_classroom. 3我们应该使用可重复利用的袋子而不是塑料袋。we_should_use_the_reusable_bags_rather_than_plastic_bags.4如果你丢了这本书,你应该赔偿。if_you_lose_the_book,you_should_pay_for_it.环节说明:通过本环节的学习,学生对前一阶段所学的知识进行了复习巩固。step 4

25、问题探究()1.he _ english,but now he _english every morning.aused to hate;is used to readbis used to hate;used to readcused to hate;is used to readingdis used to hate;is used for reading答案选择c。used to意为“过去常常”,其后跟动词原形,表示过去的习惯、过去经常发生的动作或状态;be used to doing sth.表示“习惯于做某事”,其中to是介词,后接名词或动名词。be used toget used

26、to表示“渐渐习惯于”;be used to do sth.be used for doing sth.是被动语态,表示“被用来做某事”。根据句意“他过去讨厌英语,但是现在他已经习惯于每天早上读英语”,答案选择c。请学生们做前面课时训练部分。section b (1a1e) 1重点单词:recycle,napkin2重点句型:recycling paper is really easy.we really shouldn't use paper napkins. 1.时态:一般现在时、一般过去时、一般将来时2情态动词1时态:一般现在时、一般过去时、一般将来时2情态动词一、预习课本p10

27、1新单词并背诵, 完成下面的汉译英。1再利用_2餐巾;餐巾纸_二、认真预习1a1e找出下列句型。1回收利用纸张是很简单的。_2我们真的不需要使用餐巾纸。_step 1情景导入teacher:there are many ways to save the earth,such as recycling books and paper,stopping riding in cars and so on.do you know other ways?now please read the ways in 1a and remember them.环节说明:开门见山,直接引出本节课的学习内容,简单明了

28、。step 2完成教材1a1e的任务1大声朗读1a中的词组和句子,然后两人一组互相提问。(3分钟)2我们能为拯救地球做些什么事情呢?将1a中的事情按由易到难的顺序标出序号。(2分钟)3和搭挡比较并互相交流1a中的答案,并仿照1b的形式两人一组练习对话,完成1b。(4分钟)4认真听录音,勾出julia和jack谈论的事情,集体核对答案。(3分钟)5再听一遍录音,根据对话内容勾出julia正在做的事情,把他要做的事情和他将永远不会做的事情圈出来,完成后请几个学生展示答案,教师点拨。(5分钟)6再听一遍录音,并跟读,整体感知对话。(3分钟)7仿照1c的形式利用听力材料中的信息练习对话,并邀请学生表演

29、对话。(5分钟)参考案例a:we really shouldn't use paper napkins,you know.b:i know.i stopped using them last year.5小结训练。(3分钟)(d)1.listen!the pop music is wonderful.hush!grandma is sleeping.you'd better _the radio.aturn intobturn outcturn up dturn off(d)2.since june 1st in 2008,all the supermarkets have _

30、 free plastic bags.ato stop to providebto stop providingcstopped to providedstopped providing(a)3.it's hard _ a suitable job.ato look for bto searchcto find out dto look atstep 3问题探究()1.it's easy _ lost in a big city like tokyo.ato get bgetcgot dgetting答案选择a。动词不定式作主语时,常用形式主语it代替主语放在句首,而将真正的主

31、语动词不定式(短语)放到句尾。请学生们做前面课时训练部分。 section b (2a2e) 1重点单词:gate,bottle,president,inspiration,iron,work,metal,creativity2重点短语:throw away,put sth. to good use,pull.down,upside down,bring back,set up3重点句式:have you ever thought about how these things can actually be put to good use?the windows and doors come

32、from old buildings around her town that were pulled down.she built a house herself out of rubbish.the top of the house is an old boat turned upside down.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. 1.重

33、点短语和句型2现在完成时态和被动语态1重点短语和句型2现在完成时态和被动语态一、预习课本p102新单词并背诵,完成下面的汉译英。1大门_2.瓶子_3负责人_ 4.灵感_5铁_ 6.作品_7金属_ 8.创造力_二、认真预习2a2e内容找出下列短语和句型。1扔掉_2好好利用某物_3拆下_4上下颠倒_5恢复_6建立_7你曾经考虑过怎样才能使这些东西真正地被好好利用吗?_8. 窗户和门来自她所在城镇附近的被拆毁的旧建筑。_9房子是她自己用废弃物建成的。_10房子的顶部是一条翻转过来的旧木船。_11艺术不仅可以给他人带来快乐,而且也表明只要一点点创造力,即便是冰冷、坚硬的铁也可以恢复活力。_step 1

34、情景导入(show some things to the students.they are all made of things that people don't need anymore.)teacher:the things are made of things that we don't need.have you ever thought about how these things can actually be put to good use.today we will learn a passage about this picture.环节说明:利用“变废为

35、宝”制作出来的物品导入新课,易于引起学生的学习兴趣,过渡自然。step 2完成教材2a2c的任务1看2b中短文的标题和图片,猜想一下这篇文章和什么有关,小组内互相交流发表看法。(3分钟)2阅读2b中的文章,完成2b的表格,完成后请学生展示答案,教师点拨。(3分钟)3再次认真阅读短文,根据文章内容用2c中的短语将句子补充完整,完成后请学生展示答案,教师点拨。(3分钟)4再次仔细阅读短文,理解每一句话的意思,小组合作解决遇到的疑难问题。(5分钟)5教师点拨短文中出现的重点和难点。(5分钟)6熟读短文,识记并背诵知识要点。(5分钟)7小结训练。(7分钟)(a)1.the house is reall

36、y old.you'd better_.apull it downbpull down itcpull it up dpull up it(b)2.do you believe that paper is made_ wood?yes,i do.and you can see that books are made_ paper.afrom;from bfrom;ofcof;from dof;of(c)3.it's summer now.the weather is getting.ahigher and higher blower and lowerchotter and h

37、otter dcolder and colder(b)4.the math problem is not difficult,and you can do it all by_.athemselves byourselfcourselves dmyself环节说明:通过本环节的学习,学生不仅锻炼了阅读能力,而且通过小结训练对重要知识点进行了巩固练习。step 3完成教材 2d2e的任务1学生两人一组互相提问2d方框中的单词。(3分钟)2阅读短文,以方框中的单词为依据在2b短文中画出相应的单词,完成后小组内交流答案并比较说明方框中的单词和短文中的单词有什么不同,教师点拨。(5分钟)3让学生分组写

38、出为拯球环境,我们能做哪些事,政府又能做哪些事。先小组内讨论,然后再全班交流。好的建议可以号召同学们立即执行。环节说明:通过这一环节的学习,学生的阅读能力得到进一步锻炼和提升;通过师生交流互动,增强了学生的环保意识,调动了学生的环保积极性。step 4问题探究()1.the school was destoryed in the earthquake.so we have to _.apull down it bput it downcturn it down dpull it down答案选择d,pull down意为“拆掉”,是动副结构的短语,代词要放在中间。 ()2.she built herself a house out _ trash.ainbwithcofdto答案选择c,build.out of.意为“用建造”。请学生们做前面课时训练部分。section b (3aself check

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