高中英语 Unit 2 Protecting Our Home Challenging Yourself ⅠSaving Our Earth课件 重庆大学选修6.ppt

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1、Challenging Yourself Saving Our Earth2021/8/11 星期三1基础自测课文预读内容索引要点探究当堂达标2021/8/11 星期三2基础自测2021/8/11 星期三31.n.不足；缺少不足；缺少2.adj.有限的；被限制的有限的；被限制的3.n.系统；制度；体制系统；制度；体制 4.vt.应付，对付；解决应付，对付；解决5.adj.总统的；校长的；统辖的总统的；校长的；统辖的 n.总统；主席；总统；主席；(大学大学)校长校长6.n.公民；市民；老百姓公民；市民；老百姓 .重点单词重点单词shortagelimitedsystemtacklepreside

2、ntialpresidentcitizen2021/8/11 星期三47.n.超级大国；超能力超级大国；超能力8.n.消费消费(量量)；消耗；消耗(量量)vt.消耗；吃完消耗；吃完 n.消费者消费者9.adv.怀着希望地；但愿怀着希望地；但愿 adj.满怀希望的满怀希望的10.adj.著名的；知名的著名的；知名的superpowerconsumptionconsumeconsumerhopefullyhopefulcelebrated2021/8/11 星期三51.被被所覆盖所覆盖2.更糟的是更糟的是 3.在目前的情况下；按照现状来看在目前的情况下；按照现状来看 4.一天天地；逐日一天天地；逐

3、日5.只有当；只是在只有当；只是在时候时候6.采取措施采取措施7.处理；对付处理；对付8.以后；后来以后；后来.重点短语重点短语be covered witheven worseas things standday by dayonly iftake steps todeal withlater on2021/8/11 星期三69.造成坏的影响造成坏的影响10.做实验做实验 11.小规模地小规模地12.提高提高认识认识13.意识到意识到14.即使即使15.太多太多 16.好好想想好好想想 have a every bad effect ondo experimentson a small sc

4、aleraise awareness ofbe aware ofeven thoughfar too muchwith a little thought2021/8/11 星期三7.好句积累好句积累1.The world is not only hungry，but also thirsty for water.这个世界不仅饥饿，而且还缺水。这个世界不仅饥饿，而且还缺水。2.Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on.只只有

5、有现现在在采采取取措措施施以以解解决决这这一一问问题题，我我们们才才能能避避免免以以后后严严重重的的世世界界性性水资源短缺。水资源短缺。2021/8/11 星期三8课文预读2021/8/11 星期三9.课文阅读理解课文阅读理解1.Where does the fresh water people use come from?A.Sea water.B.Rivers and lakes.C.Under ground.D.Both B and C.答案123452021/8/11 星期三102.From Passage 1 we know fresh water .A.is needed by m

6、ore and more peopleB.can be used in many waysC.can be found in many factoriesD.only comes from the rain答案123452021/8/11 星期三113.The word“shortage”in Passage 1 means“”.”.A.being enough B.being short ofC.being short for D.being less答案123452021/8/11 星期三124.Which of the following statements is TRUE accor

7、ding to Passage 2?A.World Environment Day happens on July 5 every year.B.World Environment Day was created in 1972 by the US.C.World Environment Day helps people raise awareness of the threats to our environment.D.People in rich countries are aware of todays environmental issues.答案123452021/8/11 星期三

8、135.What is the main idea of the second paragraph of Passage 2?A.Many people in the world are aware of the environmental issues.B.Many people start to change lifestyle to reduce carbon footprint.C.Many people could use less power to help the environment.D.World Environment Day will become more celeb

9、rated every year.答案123452021/8/11 星期三14.课文语法填空课文语法填空Nearly 71%of the earths surface 1.(cover)with water.A large amount of water on the earth 2.(be)salt water.But only 3%of the whole water is fresh，only a small amount of 3.can be used by man.As things stand today，this small amount is still enough for

10、 us.Our need for water is increasing almost day 4.day.Only if we take steps 5._(deal)with this problem 6.we avoid a severe worldwide water 7.(short)later on.A limited water supply would have a bad effect 8.agriculture and industry.One of the first steps we should takeis coverediswhichbyto dealcan sh

11、ortageon2021/8/11 星期三15is to develop ways of 9.(reuse)it.We must stop 10.(waste)our precious water.We are not only hungry，but also thirsty for water.reusingwasting2021/8/11 星期三16要点探究重点单词重点短语经典句式2021/8/11 星期三171However，as things stand today，this small amount of fresh water，which is constantly being r

12、eplaced by the rainfall，is still enough for us.然然而而，就就今今天天的的形形势势来来看看，这这些些不不断断被被降降雨雨所所代代替替的的少少量量的的淡淡水水对我们来说仍然是足够的。对我们来说仍然是足够的。重点单词2021/8/11 星期三18stand vi.站立；位于；停滞；站立；位于；停滞；vt.使站立；忍受；抵抗；使站立；忍受；抵抗；n.站立；立场；看台；停止站立；立场；看台；停止from where I stand以我的观点以我的观点(立场立场)as things stand随着事态的发展；照目前看来随着事态的发展；照目前看来stand o

13、ut突出；杰出；引人注目；清晰地显出突出；杰出；引人注目；清晰地显出stand for代表；支持；象征；担任代表；支持；象征；担任的候选人的候选人stand up站立；起立站立；起立stand by支持；遵守支持；遵守归纳拓展2021/8/11 星期三19(1)He could not stand when he reached the top of the hill.爬爬上上山山顶顶之之后后，他不能站起来了。他不能站起来了。(2)How can you stand such lies?你怎么能忍受这样的谎言？你怎么能忍受这样的谎言？(3)Do you think you can persua

14、de him into our stand?你认为你能说服他站到我们的立场上来吗？你认为你能说服他站到我们的立场上来吗？(4)As things stand，the answer to both questions is“No”.”.随着事态的发展，对这两个问题的回答是随着事态的发展，对这两个问题的回答是“不不”。(5)As things stand，this will not happen.就目前的情况来看，这并不会发生。就目前的情况来看，这并不会发生。语境感悟2021/8/11 星期三20(1)单句语法填空单句语法填空From I stand，its practical.You dont

15、seem to know you stand.it stands，he will end up in poverty.He cant stand (speak)to that way.即时跟踪wherewhereAsbeing spoken2021/8/11 星期三21(2)选词填空选词填空stand out，stand for，stand byHow can you and see him accused of something he didnt do?I in a group interview.I disagreed fundamentally with what the party

16、.stand by stand outstood for2021/8/11 星期三22(1)celebrated adj.著名的；知名的著名的；知名的(2)celebrate vt.庆祝；赞扬；纪念庆祝；赞扬；纪念(3)celebration n.庆祝；庆典庆祝；庆典in celebration of为了庆祝为了庆祝2Hopefully，World Environment Day will become more celebrated every year.但愿但愿“世界环境日世界环境日”每年能够越来越受到人们的关注。每年能够越来越受到人们的关注。归纳拓展2021/8/11 星期三23(1)T

17、here are lots of celebrated writers at the meeting.会议上有许多著名作家。会议上有许多著名作家。(2)We celebrated his birthday with a party.我们举行宴会庆祝他的生日。我们举行宴会庆祝他的生日。(3)They held a party in celebration of their success.他们开了一个派对来庆祝他们的成功。他们开了一个派对来庆祝他们的成功。语境感悟2021/8/11 星期三24易混辨析celebrate，congratulate(1)celebrate庆庆祝祝，庆庆贺贺，指指举举

18、行行活活动动来来庆庆祝祝或或纪纪念念有有意意义义的的事事，其其句句型型为为celebrate sth.，常用表示节日、事件、成功等意义的名词作宾语。，常用表示节日、事件、成功等意义的名词作宾语。(2)congratulate祝祝贺贺，指指就就某某事事祝祝贺贺某某人人，其其句句型型为为congratulate sb.on(doing)sth.。2021/8/11 星期三25(1)用用celebrate，congratulate的正确形式填空的正确形式填空They their fathers fiftieth birthday with a meal in a restaurant.We him

19、on having passed the entrance examinations.(2)单句语法填空单句语法填空The three sisters decided to hold a family party (celebrate)their parents silver wedding.即时跟踪celebratedcongratulatedto celebrate2021/8/11 星期三26Even though many of the worlds citizens know the issues，too few people do enough to deal with them.

20、尽尽管管全全球球的的许许多多人人认认识识到到了了这这些些问问题题，但但是是鲜鲜少少有有人人采采取取足足够够的的行行动来解决它们。动来解决它们。重点短语(1)even thougheven if意为意为“尽管，即使尽管，即使”，引导让步状语从句。，引导让步状语从句。(2)引引导导让让步步状状语语从从句句的的连连词词还还有有：although，as，while，whatever，however，no matter what/who.等。等。注意注意as thoughas if好像，似乎，引导方式状语从句或表语从句。好像，似乎，引导方式状语从句或表语从句。归纳拓展122021/8/11 星期三27(

21、1)Even though I have to sell my house，Ill keep my business going.即使不得不卖掉我的房子，我也要继续我的事业。即使不得不卖掉我的房子，我也要继续我的事业。(2)If you put one of your fingers into the water，you will find as if it were broken.如果你把你的一根手指放进水中，你会发现它好像折了一样。如果你把你的一根手指放进水中，你会发现它好像折了一样。(3)It seems as if it is going to rain.天好像要下雨。天好像要下雨。语

22、境感悟12021/8/11 星期三28(1)单句语法填空单句语法填空Ill go there even if the weather (be)bad tomorrow.though the forest park is far away，a lot of tourists visit it every year.(2)补全句子中的省略成分补全句子中的省略成分He wont come to our party even if invited.即时跟踪1isEvenHe wont come to our party even if he is invited.2021/8/11 星期三29deal

23、 with处理；对付处理；对付归纳拓展2(1)He has learnt to deal properly with all kinds of complicated situations.他已经学会恰当地应付各种复杂的局面。他已经学会恰当地应付各种复杂的局面。(2)How shall we deal with the problems?我们该怎样处理这些问题？我们该怎样处理这些问题？语境感悟22021/8/11 星期三30易混辨析deal with，do with(1)deal with意意为为“处处理理；交交易易；交交涉涉；论论述述”，deal是是不不及及物物动动词词，不不能带宾语，所以常

24、与连接副词能带宾语，所以常与连接副词how连用。连用。(2)do with意意为为“处处理理；处处置置；对对待待”，do是是及及物物动动词词，常常与与连连接接代代词词what连用。连用。2021/8/11 星期三31(1)用用deal with，do with的正确形式填空的正确形式填空This is a book agricultural problems；maybe you can a lot of problems according to the directions.(2)单句语法填空单句语法填空This book deals an important subject.Its a b

25、ook (deal)with life in the United States.We dont know to deal with it.(deal)with the man he deals with you.即时跟踪2dealing withdo with/deal with withdealinghowDealas2021/8/11 星期三32The world is not only hungry，but also thirsty for water.这个世界不仅饥饿，而且还缺水。这个世界不仅饥饿，而且还缺水。经典句式(1)not only.but also.意意为为“不不仅仅而而且

26、且”，是是并并列列连连词词，主主要要用用来来连连接接两两个个并并列列成成分分(如如主主语语、谓谓语语、表表语语、宾宾语语、状状语语)，也也可可用用来来连连接两个分句，所强调的是后者。其中的接两个分句，所强调的是后者。其中的also有时可以省略。有时可以省略。(2)当当not only.but also.连连接接两两个个并并列列主主语语时时，谓谓语语动动词词的的单单复复数数要要和和邻邻近近的的主主语语保保持持一一致致。如如果果not only置置于于句句首首，其其所所在在的的分分句句要要用用部部分分倒倒装装语语序序，即即把把系系动动词词be/助助动动词词/情情态态动动词词放放在在主主语语之之前前

27、，but(also)后后的的分分句不用倒装。句不用倒装。归纳拓展12021/8/11 星期三33(1)He not only said it，but also did it.他不但说到了，而且做到了。他不但说到了，而且做到了。(2)Not only does he work hard，but also he is very clever.他不但学习努力，而且很聪明。他不但学习努力，而且很聪明。语境感悟2021/8/11 星期三34(1)句型转换句型转换We should not only raise money for them,but also help them rebuild their

28、 home.we raise money for them but also help them rebuild their home.(2)单句改错单句改错Not only the students but also their teacher like playing football._即时跟踪Notonly shouldlikelikes2021/8/11 星期三35Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on.只只有

29、有现现在在采采取取措措施施以以解解决决这这一一问问题题，我我们们才才能能避避免免以以后后严严重重的的世世界界性水资源短缺。性水资源短缺。这这是是一一个个由由only加加状状语语从从句句位位于于句句首首引引起起的的倒倒装装句句。“only状状语语/状状语语从从句句/副副词词/介介词词短短语语”位位于于句句首首时时，句句子子主主句句要要用用部部分分倒倒装装，即即把把系系动动词词be/助动词助动词/情态动词放在主语之前。情态动词放在主语之前。注注意意置置于于句句首首时时，only修修饰饰的的从从句句不不倒倒装装，主主句句部部分分倒倒装装；当当only修修饰饰的的状状语语不不位位于于句句首首，或或位位

30、于于句句首首的的only修修饰饰的的不不是是状状语语而而是是主主语语时时，不用倒装。不用倒装。归纳拓展22021/8/11 星期三36(1)Only if I get a job will I have enough money to buy a house.只只有有我我找找到工作才能有足够的钱买房子。到工作才能有足够的钱买房子。(2)Only in this way can we solve the problem.只有通过这种方式，我们才能解决这个问题。只有通过这种方式，我们才能解决这个问题。语境感悟2021/8/11 星期三37易混辨析only if，if only(1)only if只

31、只有有当当；只只是是在在时时候候；只只要要，本本身身不不是是固固定定词词组组，only为副词，修饰为副词，修饰if从句。位于句首时，主句要部分倒装。从句。位于句首时，主句要部分倒装。(2)if only要要是是就就好好了了，用用于于表表示示希希望望某某件件事事情情发发生生，常常引引导导含含虚虚拟拟语气的条件句或感叹句。语气的条件句或感叹句。2021/8/11 星期三38(1)用用only if，if only填空填空 I had known about it.you take your car will I go to dinner with you.(2)Only when he reach

32、ed the tea-house it was the same place hed been in last year.只有到了茶馆时，他才意识到这是他去年来过的同一个地方。只有到了茶馆时，他才意识到这是他去年来过的同一个地方。即时跟踪If onlyOnly ifdid he realize2021/8/11 星期三39当堂达标2021/8/11 星期三40.单词拼写单词拼写1.In Britain people (消消耗耗)four million tons of potatoes every year.2.To improve the current situation,a new (制

33、制度度)needs to be introduced.3.The of oil will probably drive prices up.4.How can we finish the project in such time?5.(但愿但愿)we all know the answer to this question as well.consumesystemshortagelimitedHopefully2021/8/11 星期三411.Modern farming methods can the environment.2.Ill tell you about it .3.I don

34、t know how they the problem.4.We must reduce crime in the area.5.The students at the university can take up part-time jobs it doesnt interfere with their studies.选词填空选词填空deal with，only if，take steps to，have an effect on，later onhave an effect onlater ondeal withtake steps toonly if2021/8/11 星期三422021/8/11 星期三432021/8/11 星期三442021/8/11 星期三45