2018届九年级英语全册Unit13We’retryingtosavetheearth第3课时学案
2018届九年级英语全册《Unit13We’retryingtosavetheeart
Un it 13 We are trying to save the earth!Sectio n B (3a —Self Check)I •根据句意及所给首字母提示，补全句中所缺单词。
1. He walked through a woode n g________ into the field beh ind his house.2. Many kinds of m_________ are used t o make the parts of this mach ine.3. This painting is one of Matisse ' s greatest w __________________ .4. The milk b ________ is empty. Who dra nk up the milk?5. George Wash ington was the first P _______ of the Un ited States.n .根据句意，用括号内所给单词的适当形式填空。
1. The white _______ (build) was set up three years ago.2. Greg was a (n) ________ (luck) boy. Many people offered him help.3. Jenny thi nks the ______ (perform) was really excit in 4. How could she have acted ________ (differe nt)?5. Stay ing with them made me ______ (comfortable). I decided to leave.川.根据短文内容，从方框中选择恰当的单词或短语并用其适当形式填空，使短文完整、通顺。
bore, pay, work, take pride in, keep onBill is a twelve-year-old boy. He found a job in a restaura nt duri ng the summer holiday last year. He washed dishes and cleaned the kitchen. He (1) ______________ six hours a day.It was really a hard and (2) ________________ job. Once in a while, he wan ted to give itup, but he (3) ________________ w ork ing. He felt very tired after four-week hard work. Atlast he was (4) _______________ 700 yua n.Bill felt like a grow n-up after doing this job. And it was a very special experie neefor him. It made him un dersta nd how hard it is to make mon ey. When ever he buys things withhis own mon ey, he (5) _______________ himself.IV .根据汉语意思及括号内所给提示，将下列句子翻译成英语。
【K12教育学习资料】2018年九年级英语全册Unit13We’retryingtosavethee
第四节短文改错假定英语课上老师要求同桌之间交换修改作文，请你修改同桌写的以下作文。
文中共有10处语言错误，每句中最多有两处。
错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该增加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；2．只允许修改10处，多者(从第11处起)不计分。
AMany have heard shark fin soup.This famous and expensive dish is especially popular in southern China.But do you realize that you're killing a whole shark each time you enjoy a bowl of shark fin soup?When people catch sharks，they cut off their fins and throw the shark back the ocean.Without a fin，a shark can no longer swim and slowly die.This is not only cruel，but also harmful to the environment.Sharks are the top of the food chain in the ocean's ecosystem.If their numbers drop too low，it will bring danger to all ocean life.Many believe that sharks can never be endangered because they are the strongest at their food chain.But in fact，around 70 million sharks are caught and traded in this industry every year.The numbers of some kinds of sharks have falled by over 90 percent in the last 20 to 30 years.Environment protection groups around the world，such as WildAid and the WWF，are teaching the public about “finning”．They have even asked governments to develop laws stop the sale of shark fins.So far，no scientific studies shows that shark fins are good for healthy，so why eat them？Help save the sharks!BRethink，Reuse，Recycle!Do you often throw away things you don't need anymore？Have you ever thought about how these things can actually be put to good use？Nothing is a waste if you have a creative mind.You have probably never heard of Amy Hayes，but she is a unusual woman.She lives in a house in the UK that she built herself out of rubbish.The windows and doors come from old buildings around her town that was pulled down.The top of the house is an old boat turned upside down.And the gate in front of her house is made from rocks and old glass bottles.Amy recently won a prize from the Help Save Our Planet Society.The president said，“Amy is an inspiration to us all.”Amy isn't the only one who is good in recycling.Jessica Wong from Hong Kong uses old clothes that people don't wear anymore make bags.She has been doing this for a few years now.She opened a small shop where she sells her bags，and she has also set up a website to sell them online.She especially likes to use old jeans make handbags.Her bags are cute and useful.“I plan to wri te a book about new ways to use old clothes，” she said.“I hope people can read my book and enjoy it！”Wang Tao sets up a small business in Shanghai four years ago.He is known as using iron and other materials from old cars to make beautiful art pieces.Some are large pieces that look like animals or humans，and some are smaller pieces you can put in home.The more popular works can even be see in art shops around the city.Wang Tao hopes to set up a “metal art”theme park to show people the importance of environmental protection.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.参考答案。
2018年九年级英语全册 Unit 13 We’re trying to save the eart
第四节短文改错假定英语课上老师要求同桌之间交换修改作文，请你修改同桌写的以下作文。
文中共有10处语言错误，每句中最多有两处。
错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该增加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；2．只允许修改10处，多者(从第11处起)不计分。
AMany have heard shark fin soup.This famous and expensive dish is especially popular in southern China.But do you realize that you're killing a whole shark each time you enjoy a bowl of shark fin soup?When people catch sharks，they cut off their fins and throw the shark back the ocean.Without a fin，a shark can no longer swim and slowly die.This is not only cruel，but also harmful to the environment.Sharks are the top of the food cha in in the ocean's ecosystem.If their numbers drop too low，it will bring danger to all ocean life.Many believe that sharks can never be endangered because they are the strongest at their food chain.But in fact，around 70 million sharks are caught and traded in this industry every year.Th e numbers of some kinds of sharks have falled by over 90 percent in the last 20 to 30 years.Environment protection groups around the world，such as WildAid and the WWF，are teaching the public about “finning”．They have even asked governments to develop laws stop the sale of shark fin s.So far，no scientific studies shows that shark fins are good for healthy，so why eat them？Help save the shark s!BRethink，Reuse，Recycle!Do you often throw away things you don't need anymore？Have you ever thought about how these things can actually be put to good use？Nothing is a waste if you have a creative mind.You have probably never heard of Amy Hayes，but she is a unusual woman.She lives in a house in the UK that she built herself out of rubbish.The windows and doors come from old buildings around her town that was pulled down.The top of the house is an old boat turned upside down.And the gate in front of her house is made from rocks and old glass bottles.Amy recently won a prize from the Help Save Our Planet Society.The president said，“Amy is an inspiration to us all.”Amy isn't the only one who is good in recycling.Jessica Wong from Hong Kong uses old clothes that people don't wear anymore make bags.She has been doing this for a few years now.She opened a small shop where she sells her bags，and she has also set up a website to sell them online.She especially likes to use old jeans make handbags.Her bags are cute and useful.“I plan to wri te a book about new ways to use old clothes，” she said.“I hope people can read my book and enjoy it！”Wang Tao sets up a small business in Shanghai four years ago.He is known as using iron and other materials from old cars to make beautiful art pieces.Some are large pieces th at look like animals or humans，and some are smaller pieces you can put in home.The more popular works can eve n be see in art shops around the city.Wang Tao hopes to set up a “metal art”theme park to show people the importance of environmental protection.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.参考答案百度文库是百度发布的供网友在线分享文档的平台。
2018年九年级英语全册 Unit 13 We’re trying to save the eart
第四节短文改错假定英语课上老师要求同桌之间交换修改作文，请你修改同桌写的以下作文。
文中共有10处语言错误，每句中最多有两处。
错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该增加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；2．只允许修改10处，多者(从第11处起)不计分。
AMany have heard shark fin soup.This famous and expensive dish is especially popular in southern China.But do you realize that you're killing a whole shark each time you enjoy a bowl of shark fin soup?When people catch sharks，they cut off their fins and throw the shark back the ocean.Without a fin，a shark can no longer swim and slowly die.This is not only cruel，but also harmful to the environment.Sharks are the top of the food cha in in the ocean's ecosystem.If their numbers drop too low，it will bring danger to all ocean life.Many believe that sharks can never be endangered because they are the strongest at their food chain.But in fact，around 70 million sharks are caught and traded in this industry every year.Th e numbers of some kinds of sharks have falled by over 90 percent in the last 20 to 30 years.Environment protection groups around the world，such as WildAid and the WWF，are teaching the public about “finning”．They have even asked governments to develop laws stop the sale of shark fin s.So far，no scientific studies shows that shark fins are good for healthy，so why eat them？Help save the shark s!BRethink，Reuse，Recycle!Do you often throw away things you don't need anymore？Have you ever thought about how these things can actually be put to good use？Nothing is a waste if you have a creative mind.You have probably never heard of Amy Hayes，but she is a unusual woman.She lives in a house in the UK that she built herself out of rubbish.The windows and doors come from old buildings around her town that was pulled down.The top of the house is an old boat turned upside down.And the gate in front of her house is made from rocks and old glass bottles.Amy recently won a prize from the Help Save Our Planet Society.The president said，“Amy is an inspiration to us all.”Amy isn't the only one who is good in recycling.Jessica Wong from Hong Kong uses old clothes that people don't wear anymore make bags.She has been doing this for a few years now.She opened a small shop where she sells her bags，and she has also set up a website to sell them online.She especially likes to use old jeans make handbags.Her bags are cute and useful.“I plan to wri te a book about new ways to use old clothes，” she said.“I hope people can read my book and enjoy it！”Wang Tao sets up a small business in Shanghai four years ago.He is known as using iron and other materials from old cars to make beautiful art pieces.Some are large pieces th at look like animals or humans，and some are smaller pieces you can put in home.The more popular works can eve n be see in art shops around the city.Wang Tao hopes to set up a “metal art”theme park to show people the importance of environmental protection.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.参考答案。
人教版九年级英语全册Unit13We'retryingtosavetheearth!优秀教学案例
（三）情感态度与价值观
1.学生能够通过本节课的学习，树立环保意识，认识到保护地球的重要性，并能够在日常生活中采取实际行动，如节约用水、减少废物等。
2.学生能够理解和尊重不同文化背景下的环保观念和实践，培养全球视野和跨文化交际能力。
（四）反思与评价
1.教师引导学进行自我反思，评估自己在环保知识掌握和技能运用方面的进步，培养他们的自我监控和自我调整能力。
2.学生通过互评和小组评价，相互借鉴和学习，提高自己的环保意识和语言运用能力。
3.教师对学生的学习过程和成果进行综合评价，关注他们的全面发展，鼓励他们的创新和实践精神。同时，根据评价结果调整教学策略，提高教学效果。
2.学生通过完成作业，进一步巩固本节课所学内容，提高他们的语言运用能力。
3.教师对学生的作业进行评价，关注他们的全面发展，鼓励他们的创新和实践精神。同时，根据评价结果调整教学策略，提高教学效果。
五、案例亮点
1.创新的情景创设：本节课通过多媒体手段，如图片、视频等，为学生创设了丰富的环保情境，使学生身临其境地感受到环保问题的紧迫性。这种创新的情景创设方式不仅激发了学生的学习兴趣，而且提高了他们的参与度和学习效果。
四、教学内容与过程
（一）导入新课
1.教师通过展示一张地球的照片，引导学生关注地球的美丽和脆弱，引出本节课的主题——环保。
2.教师提问：“你们对环保有什么了解和看法？”让学生分享自己的知识和观点，激发他们的学习兴趣和参与欲望。
3.教师播放一段关于环保问题的新闻报道，让学生了解全球环保形势的严峻性，引出本节课的学习目标——提高环保意识，学习英语表达环保观点。
4.反思与评价的全面评估：教师引导学生进行自我反思，评估自己在环保知识掌握和技能运用方面的进步。同时，教师对学生的学习过程和成果进行综合评价，关注他们的全面发展。这种反思与评价的方式有助于培养学生的自我监控和自我调整能力，提高他们的批判性思维和创造性思维。
人教版英语九年级全册Unit13We'retryingtosavetheearth!优秀教学案例
4.对小组合作进行评价，关注学生的参与度、贡献度和团队合作效果。
（四）反思与评价
1.引导学生进行自我反思，思考自己在学习过程中的优点和不足，培养自我评价和自我改进的能力。
2.组织学生进行同伴评价，鼓励他们互相提供反馈和建议，培养评价能力和批判性思维。
3.创设问题情境，让学生面临真实的环保问题，如水资源浪费、垃圾分类等，引导学生主动思考和寻找解决方案。
4.利用多媒体技术，如视频、音频、动画等，营造生动有趣的学习氛围，激发学生的学习兴趣和积极性。
（二）问题导向
1.设计有挑战性的问题，引导学生深入思考环保问题的本质和影响。
2.通过提问和讨论，引导学生自主探究和解决问题，培养他们的批判性思维和问题境的影响。
3.总结本节课的主要内容和知识点，确保学生对环保知识有一个全面而准确的理解。
（五）作业小结
1.布置相关的作业，如研究报告、行动计划等，让学生将所学知识运用到实际生活中去。
2.要求学生在作业中提出自己的观点和解决方案，培养他们的创新思维和批判性思维能力。
3.引导学生关注环保问题的多样性和复杂性，培养他们的分析和综合能力。
4.鼓励学生提出自己的问题，激发他们的好奇心和探索精神。
（三）小组合作
1.组织学生进行小组讨论和合作，鼓励他们分享自己的观点和想法，培养合作能力和团队精神。
2.设计小组活动，如共同完成一篇关于环保的文章、策划一次环保活动等，让学生实际行动起来，提高实践能力。
3.鼓励学生在作业中积极表达自己的想法，注重培养他们的写作能力和表达能力。
4.对学生的作业进行认真批改和评价，提供及时的反馈和建议，帮助学生巩固所学知识，提高他们的学习效果。
2018届九年级英语全册《Unit 13 We’re trying to save the eart
Unit 13 We’re trying to save the earth!Section A (3a—3c)【学习目标】1.学习并掌握新词汇：shark, fin, method, cruel, cut off, harmful, chain, ecosystem, low, industry, law, environment,environmental, scientific2. 学会并正确使用以下常用表达：hear of, cut off, throw…into, no longer, not only…but also, be harmful to, at the top of the food chain, the sale of… ,ask sb. to do sth., so far, be good for, be against, in danger3. 学会使用以下句型：1) D o you realize that you’re killing a whole shark each time you enjoy a bowl of shark’sfin soup?2) When people catch sharks, they cut off their fins and throw the shark back into the ocean.3) This method is not only cruel, but also harmful to the environment.4) The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.5) They have even asked governments to develop laws to stop the sale of shark’s fins.【重点难点】·Important words, phrases and beautiful sentences.·Give some reading skills and let students know how to use them.【新知预习】根据句意和首字母提示完成单词。
UNIT13Weretryingtosavetheearth原文与翻译
UNIT13We'retryingtosavetheearth原文与翻译《牛津初中英语》充分体现了《新课标》的诸多精神。
该教材具有两大特点。
下面是小偏整理的UNIT13We'retryingtosavetheearth 原文与翻译，感谢您的每一次阅读。
UNIT13We'retryingtosavetheearth原文与翻译SectionA1bListenandcompletethesentences.Tony:Hey,Mark,maybewecouldgoswimmingintheriverlaterthi safternoon.Mark:Idon’tthinkIwanttogo,Tony.Tony:Whynot?Mark:Iwastherelastweekendandtheriverwasreallydirty.Eventh ebottomoftheriverwasfullofrubbish,andtherewerenomorefishforf ishermentocatch.Tony:Noway!Itusedtobesoclean.Infact,ithasalwaysbeentheni cestriverinthistown.Mark:Notanymore.Ithinkpeoplearethrowinglitterintotheriver. Factoriesarealsoputtingwasteintotheriver.Tony:That’sterrible!Weshouldwritetothegovernment.Theys houldclosedownthefactories.Mark:Goodidea!ButIthinkeveryoneinthistownshouldhelptocl eanuptheriver,too.Everyoneshouldplayapart,notjustthegovernm entSectionA2aListentotheinterview.thekindsofpollutionthatJasonandSusan talkabout.Interviewer:T odaywe’retalkingtoJason andSusanaboutenvir onmentalproblems.JasonandSusan,canyoutellusaboutsomeofth eproblemsyou’veseen?Jason:Ithinkoneproblemisthattheairisbadlypolluted.Ihardlye verseeblueskiesanymore.Susan:Yes,andIusedtoseethestarsclearly.Interviewer:Whatdoyouthinkhascausedthisproblem?Susan:Well,therearemorecarsontheroadthesedays.Jason:Andfactoriesthatburncoalalsopollutetheairwithalotofb lacksmoke.Interviewer:Whatotherproblemsdoyousee?Susan:Iguessthere’stoomuchrubbishandwasteinthestreets.Jason:Yes!Everydaypeoplearethrowingawaythingslikewoode nchopsticks,plasticbowlsandplasticbags.Susan:They’realsolitteringinpublicplaces,forexample,durin gpicnicsinparks.Thisisturningbeautifulplacesintouglyones.Interviewer:You’reright.Theseareseriousproble msforourenv ironment.Next,let’stalkaboutthethingswecandotohelp.SectionA2bListenagainandcompletethesentences.Interviewer:T odaywe’retalkingtoJasonandSusanaboutenvir onmentalproblems.JasonandSusan,canyoutellusaboutsomeofth eproblemsyou’veseen?Jason:Ithinkoneproblemisthattheairisbadlypolluted.Ihardlye verseeblueskiesanymore.Susan:Yes,andIusedtoseethestarsclearly.Interviewer:Whatdoyouthinkhascausedthisproblem?Susan:Well,therearemorecarsontheroadthesedays.Jason:Andfactoriesthatburncoalalsopollutetheairwithalotofb lacksmoke.Interviewer:Whatotherproblemsdoyousee?Susan:Iguessthere’stoomuchrubbishandwasteinthestreets.Jason:Yes!Everydaypeoplearethrowingawaythingslikewoodenchopsticks,plasticbowlsandplasticbags.Susan:They’realsolitteringinpublicplaces,forexample,d urin gpicnicsinparks.Thisisturningbeautifulplacesintouglyones.Interviewer:You’reright.Theseareseriousproblemsforourenv ironment.Next,let’stalkaboutthethingswecandotohelp.SectionA2dRoleplaytheconversation.JasonandSusan,whatareyourideasforsolvingtheseproblems?Well,tocutdownairpollution,weshouldtakethebusorsubwayin steadofdriving.Yeah,orrideabike.Thereareotheradvantagesofbikeriding.It'sg oodforhealthitdoesn'tanythingGreatideas!Whataboutwastepollution?Mmm,Ithinksimplethingslikebringingabagtogoshoppingcan help.Istarteddoingthatayearago.Me,tooAlso,Inevertakewoodenchopsticksorplasticforkswhen Ibuytakeawayfood.Iusetheonesathome.Andremembertothrowrubbishinthebinsandkeeppublicplace scleanandbeautifulforeveryone.Sotogether,ouractionscanmakeadifferenceandleadtoabetter future!SectionA3aReadthepassageaboutsharksandcompletethefactsheetbelow.SavetheSharks!Manyhaveheardofsharkfinsoup.Thisfamousandexpensivedis hisespeciallypopularinsouthernChina.Butdoyourealizethaty ou’r ekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesha rkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvir onment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksar eatthetopofthefo odchainintheocean’secosystem.Iftheirnumber sdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeendangeredbecausethey arethestrongestintheirfoodchain.Butinfact,around70millionshark sarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percen tinthelast20to30years.Environmentalprotectiongroupsaroundthe world,suchasWildAidandtheWWF,areteachingthepublicabout“fi nning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesal eofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsare goodforhealth,sowhyeatthem?Helpsavethesharks!SectionB1cListenandcheck(√)thethingsthatJuliaandJacktalkabout.Jack:Turnoffthelights,Julia.Itsaveselectricity.Julia:Oh,Iusuallydothat.Iwasjustinahurry.Jack:Isee.I’vejustreadabookwh ichgivesideasabouthowweca nsavetheenvironment.Forexample,youshouldturnofftheshowerw henyou’rewashingyourhair.Julia:Oh,Iwouldneverdothat.Ihaveveryshorthair.Itonlytakesaf ewminutestowash.Whatelsedoesitsay?Jack:Youshouldtakeyourownbagswhenyougoshopping.Julia:Oh,that’seasy.I’lldothatfromnowon.Whatelse?Jack:Peopleshouldstopridingincarsandstartridingbikes.Julia:Noway!Itwouldtakeme45minutestogettoschoolbybike!Jack:Butit’sgoodfortheenvironment!Besides,Ilikeridingmybi ke.Julia:Yes,andyoualsoliveclosetoschool!SectionB1dListenagain.Check(√)thethingsthatJuliaisdoingnow,thethings shewilldointhefutureandthethingsshewouldneverdo.Jack:Turnoffthelights,Julia.Itsaveselectricity.Julia:Oh,Iusuallydothat.Iwasjustinahurry.Jack:Isee.I’vejustreadabookwhichgiveside asabouthowweca nsavetheenvironment.Forexample,youshouldturnofftheshowerw henyou’rewashingyourhair.Julia:Oh,Iwouldneverdothat.Ihaveveryshorthair.Itonlytakesaf ewminutestowash.Whatelsedoesitsay?Jack:Youshouldtakeyourownbagswhenyougoshopping.Julia:Oh,that’seasy.I’lldothatfromnowon.Whatelse?Jack:Peopleshouldstopridingincarsandstartridingbikes.Julia:Noway!Itwouldtakeme45minutestogettoschoolbybike!Jack:Butit’sgoodfortheenvironment!Besides,Ilikeridingmybi ke.Julia:Yes,andyoualsoliveclosetoschool!SectionB2bReadthepassageandcompletethechartbelow.Rethink,Reuse,Recycle!Doyouoftenthrowawaythingsyoudon’tneedanymore?Have youeverthoughtabouthowthesethingscanactuallybeputtogoodu se?Nothingisawasteifyouhaveacreativemind.Youhaveprobablyn everheardofAmyHayes,butsheisamostunusualwoman.Shelivesin ahouseintheUKthatshebuiltherselfoutofrubbish.Thewindowsanddoorscomefromoldbuildingsaroundhertow nthatwerepulleddown.Thetopofthehouseisanoldboatturnedupsi dedown.Andthegateinfrontofherhouseismadeofrocksandoldglas sbottles.AmyrecentlywonaprizefromtheHelpSaveOurPlanetSociety.Thepresidentsaid,“Amyisaninspirationtousall.”Amyisn’ttheonlyonewhoisgoodatrecycling.JessicaWongfro mHongKongusesoldclothesthatpeop ledon’twearanymoretoma kebags.Shehasbeendoingthisforafewyearsnow.Sheopenedasmallshopwhereshesellsherbags,andshehasalso setupawebsitetosellthemonline.Sheespeciallylikestouseoldjeanst omakehandbags.Herbagsarecuteanduseful.“Iplantowriteabookaboutnewwaystouseoldclothes,”shesai d.“Ihopepeoplecanreadmybookandenjoyit!”WangTaosetupasmallbusinessinShanghaifouryearsago.Heisk nownforusingironandothermaterialsfromoldcarstomakebeautifu lartpieces.Somearelargepiecesthatlooklikeanimalsorhumans,and somearesmallerpiecesyoucanputathome.Themorepopularworks canevenbeseeninartshopsaroundthecity.WangTaohopestosetupa“metalart”themeparktoshowpeop letheimportanceofenvironmentalprotection.Notonlycantheartbri nghappinesstoothers,butitalsoshowsthatevencold,hardironcanb ebroughtbacktolifewithalittlecreativity.翻译：SectionA2d采访者：贾森和苏珊，对于解决这些问题，你们有什么想法?贾森：为了减少空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
Unit 13 We’re trying to save the earth!Section A (Grammar focus—4b)【学习目标】1. 学习并掌握新词汇：reusable, afford, transportation2. 学习并会用以下常用表达：try to do sth., used to do sth., is/are doing, be considered,take part in; play a part in doing sth., help with, help out, turn off, instead of, pay for, add up, afford to do sth., not …any longer, take action, It’s difficult for sb.to do sth.3. 学习并掌握下列句型：1) We’re trying to save the earth.2) The river used to be so clean.3) It was considered the nicest river in town.4) The air has become really polluted.5) We should help save the sharks.6) Everyone should play a part in keeping the city clean.7) You can save electricity by turning off the lights when you leave a room.8) We cannot afford to wait any longer before taking action!9) It’s difficult for parents with young children to use public transportation【重点难点】正确使用本课语法要点。
【新知预习】根据句意和首字母提示完成单词。
1. It was c________ the nicest river in town.2. You can also use paper or r_______ bags instead of plastic bags.3. We cannot a_______ to wait any longer before taking action!4. We think that everyone should use public t________.5. I guess everyone in this city is trying to improve the e_________.【课堂探究】一、现在进行时：概念：表示现阶段或说话时正在进行的动作及行为。
时间状语：now, at this time, these days, etc. 基本结构：am/is/are+doing 否定形式：am/is/are+not+doing. 一般疑问句：把be动词放于句首。
二、used to的意思是“过去经常”，其中的to是不定式符号，不是介词，所以其后接动词原形(不接动名词)。
三、现在完成时：概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。
时间状语：recently, lately, since…for…,in the past few years, etc. 基本结构：have/has + done 否定形式：have/has + not +done.四、被动语态：概念：当主语为动作的承受者时，谓语要用被动语态。
基本机构：“助动词be＋及物动词的过去分词”构成。
含有情态动词的被动语态由“情态动词＋be＋及物动词的过去分词”构成。
助动词be有人称、数和时态的变化，其变化规则与be作为连系动词时完全一样。
五、情态动词should后接动词原形。
（1）表示“应该，应当” You should help your mother with the housework. 你应该帮你母亲做家务。
（2）表示“可能，该(=will probably) ”He should arrive soon他可能很快就到了。
【达标练习】I. 单项选择。
( ) 1. We’re trying ______ the earth.A. to saveB. savingC. savedD. be saved( ) 2. My good friend becomes good at __________English every day.A. speakB. speakingC. speaksD. to speak( ) 3. I _________ take dance lessons, but I don’t anymore now.A. used toB. usedC. usingD. to use to( ) 4. It was ________the nicest river in town.A. consideringB. consideredC. have consideredD. to be considered ( ) 5. When it comes to ________ the earth, people may think that big things should be done.A. saveB. be savedC. savedD. savingII. 用所给单词的适当形式填空。
1. —_______ you ever_______ (take) part in an environmental project?—Yes, I have.2. I’ve become much _______ (good) at speaking English.3. The air has become really_______ (pollute).4. Everyone should _______ (play) a part in keeping the city clean.5. I guess everyone in this city is_______ (try) to improve the environment.6. You can save electricity by _______ (turn) off the lights when you leave a room.7. We cannot afford to_______ (wait) any longer before taking action!8. I_______ (help) with a Clean-Up Day last year.III. 根据所给汉语完成英语句子。
1. 这条河过去很干净。
The river _______ _______ _______ so clean.2. 我们应该帮助拯救鲨鱼。
We should _______ _______ the sharks.3. 然而，很多人忘记了拯救地球从小事做起。
However, many forget that saving the earth_______ _______ small things.4. 在很多商店，你不得不付塑料袋的费用In some stores, you now have to _______ _______ plastic bags.5. 我们认为每个人都应该使用公共交通工具。
We think that everyone should use ________ ________.6. 所有这些小的事情加起来变成能改善环境的大的事情。
All these small things can _______ _______ and become big things that would ________ _______ ________.7. 我们已经看到环境方面的很多变化。
We ________ _________ _________ _________ in the environment.8. 空气污染变得越来越糟糕了。
The air pollution is _________ _________ _________ _________.9. 这条河被工厂污染了。
The river_________ _________ by factories.10.人们应该多乘坐公共交通工具。
People should________ ________ _________ more.●Time, Time again, I ask myself （请写出这节课你的收获，完成下面的反思）【学后反思】九年级英语第13单元学案参考答案及解析第三课时【新知预习】1. considered2. reusable3. afford4. transportation5. environment （解析略）【达标练习】I.1.A try to do sth. 尽力干某事。
2.B be good at doing sth擅长做某事。
3.A used to do sth.过去常常干某事。
4.B 主语和谓语动词之间是被动关系。
5.D 介词后边跟动名词。
II.1.Have taken 根据回答，确定用现在完成时态。
2. better much修饰比较级的考察。
3. polluted 被污染。
4. play 情态动词后加动词原形。
5. trying 现在进行时态的考察。
6. turning 介词后跟动词的现在分词形式。
7. wait afford to do 支付做某事的花费。
8.helped 由last year，可知用一般过去时。
III. 1. used to be 2. help save 3. begins with 4. pay for 5. public transportation 6. add up; improve the environment 7. have seen many changes 8. getting worse and worse9. is polluted 10. take public transportation。