新课标人教版选修六Book6 Unit4 Using language.ppt

1、Using language,What can we do about global warming,Preview: 1代表on behalf of 2对几乎没有影响have little effect on 3承担义务have a commitment 4有能力做have the power to do 5众人拾柴火焰高Together,individuals can make a difference 6 忍受 put up with 7由于 as a result of 8只要so long as 9对漫不经心be casual about 10等等and so on 11节约能源be

2、 economical with energy 12 振奋你的精神refresh your spirit 13最后也是最重要的Finally and most importantly 14你的贡献有价值Your contribution counts.,Word study,commitment put up with electrical so long as circumstance be casual about economical,tolerant; bear belief; an opinion do sth using less time or money connected w

3、ith electricity; using electricity only if not showing much care or thought; not care about sth condition ,situation,Column A,Column B,What has caused the global warming?,Human activity- burning of fossil fuels., Greenhouse effect- greenhouse gases- we need those gases., Huge quantities of extra car

4、bon dioxide-from 1957 to 1997-from around 315 parts per million to around 370 parts per million.,The effects of global warming,Negative effects: 1 cause the sea level to rise; 2 severe storms; 3 droughts; 4 famine; 5 destruction of species 6 flood,Positive effects: 1 make plants grow faster; 2 crops

5、 will produce more; 3 make life better,What can we do about global warming?,Learning Aims: 1To foster(培养) the students ability in skimming and looking up information and improve the students reading ability. 2To develop the students sense of cooperation with others to solve problems. 3To develop stu

6、dents sense of environmental protection.,Skim the letters and find who the writers are and what their purposes of writing the letters are.,Skimming,The first letter is written by a student named Ouyang Guang . The purpose is to ask for suggestions for his project global warming. The second letter is

7、 written by an editor of Earth Care magazine. The purpose is to offer Ouyang Guang some suggestions on what to do about global warming.,Skan the first letter What opinion can you get from his letter?,As an individual, he can have no effect on environmental problems,Scan the second letter 1.Does Eart

8、h Care agree with Ouyang Guangs opinion that individuals can have no effect? 2.List Earth Care suggestions in the chart on page30, and discuss whether you can carry out each suggestion, give your reasons.,No, Earth Care agrees that together, individuals can make a difference.,If you are not using el

9、ectrical appliances, turn them off.,Yes,Save energy,If youre cold, put on more clothes instead of turning up the heat.,Yes,Save energy,Motor vehicles use a lot of energy, so walk or ride a bike if you can.,Yes,Save energy,Recycle cans, bottles, plastics and newspapers and buy things made from recycl

10、ed materials.,Yes,Save energy,Get your parents or friends to buy products that are made to save energy.,Yes,Save energy,Plant more trees,Yes,Plants absorb carbon dioxide from the air,Talk with your family and friends about global warming and tell them what youve learned.,Yes,Together, individuals ca

11、n make a difference.,Careful reading： Read the text carefully and fill in the blanks.,What can we do about global warming? Turn a(n) _ off when youre not using it. Put on more clothes instead of turning up the _. Walk or _ instead of taking motor vehicles. _ cans, bottles, plastics and newspapers.,e

12、lectrical appliance,heat,ride a bike,Recycle, Buy things made from _ _. Buy products that are made to save _. _ in your garden or your school yard. Talk with your family and friends about _.,recycled materials,energy,Plant trees,global warming,Language study 1.Sometimes I feel that individuals can h

13、ave little effect on such huge environmental problems. 有时候我觉得像这样一个巨大的环境问题，个人是起不了什么作用的。 have an/some/much/little/noeffect on 对有/有一些/很多/几乎没有/没有影响（作用） The advertisements _sales.这些广告对销售额并没有起到多大作用。 The medicine _his illness. 这药对他的病一点作用也没有。,didnt have much effect on,had no effect on,2.However，I still thin

14、k people should advocate improvements in the way we use energy today. 然而我仍认为人们应该支持改善日常能源的消耗方式。 句子含有一个定语从句，先行词是_,意为“_”，关系词可用_，并在定语从句中作_。 I like the way_you solved the problem. I like the way_ you thought of.,the way,方式，方法,in which/that/省略,方式状语,in which/that/省略,which/that/省略,3I would appreciate any su

15、ggestions you may have. 我希望能得到你们的建议。 appreciate表示“感激”、“赞赏”等，通常为及物动词，其后可接名(代)词、动名词、名词性从句等作宾语，但不能接不定式。如： I really appreciate a good cup of tea. 有好茶一杯，我就真乐在其中了。 We shall appreciate hearing from you again. 能再次收到你的来信，我们将十分感激。 I appreciate that you have come here so early. 感谢你来得这么早。,其后不直接跟 if 引导的从句，若语义上需要

16、接这类从句，需借助 it。如： I would much appreciate it if you would arrange this for us. 如果你能替我安排这事，我将非常感激。 appreciate后只能接“事”作宾语，而不能接“人”作宾语（注:这与thank 的用法不同)。如： 我们感谢你的帮助。 We appreciate your help. / We thank you for your help.,4Together，individuals can make a difference. 众人拾柴火焰高。 make a difference(to sb./sth.)意为“

17、对某人/某物起作用、有影响”，difference前面可以加不同的修饰词，如no/some/little/much等。 Exercise can _your health. 锻炼对你的健康产生很大的影响。 It _what you say. 无论你怎么说对我都没有影响。,make a great difference to,makes no difference to me,5It is OK to leave an electrical appliance on so long as you are using itif not，turn it off!只要你在使用电器设备，你便可以把它开着

18、。如果不用就把它关掉！ if not在本句中是if you are not using it的省略形式。 if so如果这样 if any若有 if necessary如果有必要 I think youd better take a taxi. _，maybe youll miss it.我想你最好打的去，否则可能会误车的。 Point out errors，_.若有错误，请指正。 Have you got a free evening next week？_，lets have dinner together. 下周你哪个晚上没事？如果没有事，我们去吃饭吧。 Take this camera

19、 with you，_. 如果有必要，带上照相机去吧。,If not,if any,If so,if necessary,6.It takes a lot of energy to make things from new materials, so, if you can, buy things made from recycled materials. 用新原料造东西需要大量能源，因此，只要有可能，就买那些用回收材料制成的物品吧。 句中it为形式主语，take意为需要/消耗(时间、劳力等)，take作此含义时通常不可用于被动语态。made from recycled materials是过

20、去分词短语作定语。 It takes sth. to do sth. 做某事需要 To be honest，it _to tell the truth. 老实说，说出真相需要很大勇气。 比较：It takes sb. time to do sth.某人花费时间做某事。 It took him three hours to fix that washing machine.,takes great courage,即境活用 Perseverance is a kind of qualityand thats what_to do anything well. Aone takes Bone is

21、 taken Cit takes Dit is taken 解析：选C。句意：毅力是一种品质，是一种做好任何事情都需要的品质。表语从句中隐含一个句型：It takes .to do sth.。,7. Your contribution counts！你的贡献有价值。 count n.计数；计算 vt.计算，计数；认为；指望,依赖 vi.计数；有价值=matter count nothing 一点价值都没有 count on=depend on/rely on 指望，依赖 First impressin really do count. 第一印象确实很重要。 You can count on h

22、im to help you. 你可以指望他帮忙。,Discussing,could we, as an individual, do something about global warming?,turn electrical appliances off walk or ride a bike recycle cans, bottles, plastics plant trees buy products that are made to save energy educate others,I. 根据下列各句句意及所给单词的首字母或汉语提示，写出各单词的正确形式。 1. Youll need three large c_ of paint. 3. I got out of the car but left the m_ running. 4. They decided to set up a(n) _ (核的) power station. 5. Ill heat it up in the _ (微波炉).,Practise,cans,motor,nuclear,microwave,II. 根据括号内的提示将下列句子补充完 整。 If s