Unit 6 Earth First Developing ideas （ppt课件）-2022新外研版（2019）《高中英语》必修第二册.pptx

1、 复习语法复习语法 用单词的正确形式填空用单词的正确形式填空1.As the stone was too heavy to move,I left it _(lie)on the ground.2.The teacher explained the grammar in detail to make himself _(understand).3.Dont leave the water _(run)while you brush your teeth.4.I saw some villagers _(seat)on the bench.5.I smell something _(burn)i

2、n the kitchen.6.Lucy has a great sense of humor and always keeps her colleagues _(amuse)with her stories.7.with his hair _(cut),he looked much younger.复习语法复习语法 用单词的正确形式填空用单词的正确形式填空1.As the stone was too heavy to move,I left it lying(lie)on the ground.2.The teacher explained the grammar in detail to

3、make himself understood(understand).3.Dont leave the water running(run)while you brush your teeth.4.I saw some villagers seated(seat)on the bench.5.I smell something burning(burn)in the kitchen.6.Lucy has a great sense of humor and always keeps her colleagues amused(amuse)with her stories.7.with his

4、 hair cut(cut),he looked much younger.Developing ideasWhats really green?l Paper shopping bags are better than plastic ones.l When you turn off a device,it stops using power.l Eating local food is good for the environment.l Its better to take a shower than a bath.Do Ex1 on page 68.Look at the questi

5、ons about“green living”and tick(打打)your answer.Look at the questions about“green living”and tick your answers.1.Which shopping bag is more environmentally friendly（环保的）（环保的）?A plastic bag.A paper bag.Neither of them.Check the answers2.What should you do to save energy when leaving your room?节约能源节约能源

6、 Turn off a device.Unplug a device.Neither of these.3.What food is better for the environment?Food produced near to where you live.Food produced far from where you live.Neither of them.4.Which uses less water?Taking a bath.Taking a shower.It depends.（看情况而定）（看情况而定）ConclusionIntroductionBodygreen trut

7、h 1green truth 2green truth 3green truth 4Read the passage and draw a mind map to show the structure of the passage.Read the effects and complete the causes of these according to the passage.Do Ex 3 on page 70.1.Making a paper bag uses more energy and water than making a plastic bag.It also produces

8、 more greenhouse gases.Paper bags are not good for the environment.2.Devices turned off go into stand-by mode and still use power.Turning off a device wont stop it from using power.3.Local produce sometimes might use more energy and produce more greenhouse gases than produce grown a long way away-ev

9、en taking into account its transport.Eating local food isnt always better for the environment.Its not always better to take a shower than a bath.language points Whats really green?Most of us are aware that we must take care of the environment,and the majority of us take steps to save energy and redu

10、ce waste and pollution.But recently,some“green truths”completely false.Here are some common ones.Which are really green?解析：解析：take steps to do.采取步骤采取步骤(措施措施)做做.take meaures to do.采取措施做采取措施做.take action to do.采取行动做采取行动做.Here are some common ones.here 引导的完全倒装句，引导的完全倒装句，倒装句概念：倒装句概念：有时由于语法或修辞的需要将谓语的部分或全

11、部提到主语前面，有时由于语法或修辞的需要将谓语的部分或全部提到主语前面，这样的语序叫做倒装。这样的语序叫做倒装。倒装句种类：倒装句种类：完全倒装：完全倒装：整个谓语移至主语前面叫完全倒装整个谓语移至主语前面叫完全倒装。部分倒装：部分倒装：只把助动词、系动词或情态动词放在主语之前叫部分只把助动词、系动词或情态动词放在主语之前叫部分倒装倒装。2.here,there,now,then,thus等副词置于句首等副词置于句首,谓语动词常用谓语动词常用be,come,go,lie,run。例如：例如：There goes the bell.Then came the chairman.Here is y

12、our letter.3.以以out,in,up,down,off,away等副词开头，谓语动词是表示等副词开头，谓语动词是表示“移动移动”的的go,come,leave等句子里。等句子里。Away went the crowd one by one.人们一个一个地离去。人们一个一个地离去。In came a stranger in black.进来了一位穿黑衣的陌生人。进来了一位穿黑衣的陌生人。Down fell the leaves.树叶掉了下来。树叶掉了下来。全部倒装常见结构有：全部倒装常见结构有：1.there be 句型。引导词句型。引导词there 还可以接还可以接appear,e

13、xist,lie,remain,seem,stand,live 等词。等词。There is a mobile phone and some books on the desk.桌上有一个桌上有一个手机和一些书。手机和一些书。There are thousands of people gathering on the square.广场上聚广场上聚集着成千上万的人注意集着成千上万的人注意:4.表示地点的介词词组位于句首，谓语动词是表示表示地点的介词词组位于句首，谓语动词是表示“存在存在”之意的之意的be,lie,stand,exist等句子中等句子中。South of the lake lie

14、s a big supermarket.湖泊的南边是一湖泊的南边是一个大超市。个大超市。In front of the house stopped a police car.一辆警车停在一辆警车停在房子前面。房子前面。Under the tree sat a boy.一个男孩坐在树下。一个男孩坐在树下。5.such 做表语放于句首，句子要全部倒装。做表语放于句首，句子要全部倒装。Such is the fact.Such is his advice for you.l Paper shopping bags are better than plastic ones.Plastic bags c

15、ause litter and are a danger to wild animals,which mistake them for food.It takes hundreds of years for plastic to break down,but much less time for paper.Because of this,people think paper bags are the better environmental choice.danger n（U）危险）危险;（C）危险的人或者物）危险的人或者物抽象名词具体化使用，类似的词有：抽象名词具体化使用，类似的词有：su

16、rprise,pleasure,honur,pity,success,failure,help,beauty,shock,concern,must,comfort等。等。dangerous adj 危险的危险的常用搭配：常用搭配：in danger 处于危险当中处于危险当中 out of danger 脱离危险脱离危险 a danger to 对对来说是个危险（人来说是个危险（人/物）物）endanger v使使濒临危险濒临危险 endangered adj濒临危险的濒临危险的Coronavirus infectious pneumonia(njumni肺肺炎炎)which is danger

17、ous is a danger to us and has put many people in danger.Fortunately,up to now,many patients have been out of danger.mistake for 错把错把当成当成break down 分解，分化分解，分化eg After many years,rocks break down into dirt.Food is broken down in the stomach.break down还意为：还意为：The plan was good,but it broke down,because

18、 people were unwilling to cooperate.We are sorry to arrive late,but the car broke down.Your health will break down if you work too hard.The young woman broke down in tears.(计划、谈判等）失败计划、谈判等）失败（机器、车辆等）坏了（机器、车辆等）坏了（身体）垮了（身体）垮了感情失控（痛哭起来）感情失控（痛哭起来）“a large/considerable/.amount of+不可数名词不可数名词”作主作主语时，谓语动词常用

19、单数形式；语时，谓语动词常用单数形式；“amounts of+不可数名词不可数名词”作主语时，谓语动词常用复数形作主语时，谓语动词常用复数形式。式。eg A large amount of damage was done in a very short time.Small amounts of land were used for keeping animals.However,making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount o

20、f water.The process also produces more greehouse gases.amount v.总计，共达，常与介词总计，共达，常与介词to搭配。搭配。eg His debts amount to more than 200,000 dollars.是是的四倍的四倍amount n.数量，数额数量，数额倍数的表达方式 倍数倍数+as+adj.原级原级+as 倍数倍数+比较级比较级+than 倍数倍数+the+名词名词(width/depth/height/length/size/amount)+ofeg.The population of China is fo

21、ur times as large as that of America.The population of this country is four times larger than that of America.The population of this country is four times the amount of that of America.按要求补全下列句子按要求补全下列句子1.条河是那条河的两倍长。条河是那条河的两倍长。(用比较级）用比较级）This river is _that one.2.这条街是那条街的四倍长。这条街是那条街的四倍长。(用名词）用名词）Thi

22、s street is_that one.3.亚洲的面积是欧洲的四倍。亚洲的面积是欧洲的四倍。(用原级）用原级）Asia is four times _Europe.twice longer than as large as four times the length of In fact,both kinds of bags are bad for the environment.So,take a reusable bag with you when you go shopping.对对.有害有害 be bad for/be harmful to.do harm to.a reusable

23、 bag 可重复使用的袋子可重复使用的袋子remove 移走，移走，拿开，开除，免职拿开，开除，免职remove.from.从从.中拔掉中拔掉/移除移除remove sb.from office 把某人撤职把某人撤职sb.be removed from school 某人被学校开除某人被学校开除l When you turn off a device,it stops using power.When we turn off a device,such as television,it goes into stand-by mode.Devices in this mode still use

24、 power,and older devices in stand-by mode can use even more.This happens because electricity continues to leak from the device,even when it is turned“off”.To make sure your appliance is in fact off,remove the plug from its power supply.电源电源l Eating local food is good for the environment.It seems lik

25、e common sense:eating local food should be better for the environment,because it does not need to be tansported long distaces and kept cold during transport.Unfortunately,it is not that mon sense 常识常识 be good/better for 对对.好好/更好更好 do good to.对对.好好 that simple=so simple 如此简单如此简单 It is the production

26、of food,not its transport,that uses most of the energy and produces most of the greenhouse gases.强调句：强调句：It is/was+被强调成分被强调成分+that/who(对人强调对人强调时时that 和和who 都可以都可以)+剩余的成分剩余的成分注意：注意：1.此结构可对句子的此结构可对句子的主语主语，宾语宾语和和状语状语(包括主语包括主语/宾语宾语/状语从句状语从句)进行强调（对谓语动词的强调需要用进行强调（对谓语动词的强调需要用do/does/did+动词原形）。动词原形）。2.去掉强调结

27、构后，句子依然完整。去掉强调结构后，句子依然完整。3.对对not until 结构的强调结构的强调,要把要把not 一起强调。一起强调。2)produce v.生产；创作；生长生产；创作；生长eg Their factory produces 500 bikes a day.He has produced a lot of songs in the past ten years.The tree produces much fruit each year.1)take into account/consideration 把把考考虑进去虑进去eg.She seemed not to take

28、the rising oil prices into account when buying a car.In some cases,local produce might have used more energy and produced more greenhouse gases than produce grown a long way awayeven taking into account its transport.produce u.n.农产品农产品(不可数名词）不可数名词）eg They provide us with fresh produce every day.prod

29、uce,product与与productionproduce u.n.农产品农产品product c.n.产品，制品产品，制品production u.n.生产行为，产量生产行为，产量情态动词情态动词+have+done是历年高考的重点和难点之一，现将其用法是历年高考的重点和难点之一，现将其用法总结归纳如下：总结归纳如下：must+have+done 一定做过某事，该结构只用于肯定句。一定做过某事，该结构只用于肯定句。could+have+done 本来能够做某事而没有做。本来能够做某事而没有做。couldnt/cant+have+done 不可能做过某事。不可能做过某事。may+have+d

30、one 可能已经做过可能已经做过.，用于肯定句中。，用于肯定句中。might+have+done 可能已经做过可能已经做过,但可能性更小但可能性更小.should+have+done 意思是意思是“本来应该做某事本来应该做某事,实际没做。实际没做。shouldnt+have+done 本来不应该做某事，而实际做了。本来不应该做某事，而实际做了。neednt+have+done 本来不需要做某事而做了本来不需要做某事而做了”该结构该结构只用于否定。只用于否定。l Its better to take a shower than a bath.It depends on how long you

31、spend in the shower and how large your bath is.If you spend more than eight minutes in a shower,youll use as much water as in a bath-about 50 litres of water.Therefore,the key is to keep your shower time as short as possible.depends on 依靠依靠 depend on/rely on sb.to do 依靠某人做某事依靠某人做某事independent adj.独立

32、的独立的 be independent of sb./sth.独立于某人独立于某人/某事某事 Your questions should be independent of each other你的问题应该彼此无关。你的问题应该彼此无关。Environmental awareness is now part of daily life.But Its worth checking common ideas and opinions to see whats really green.Environmental awareness 环保意识环保意识raise awareness 提高意识提高意识

33、 aware adj.意识到的，有意识到的，有.意识的意识的be aware of.意识到意识到Its worth doing.做做.是值得的是值得的It is worth learning english.It is worth it.这事很值。这事很值。sth.is worth doing.值得做值得做 熟记下列短语熟记下列短语1.环保的环保的 environmental friendly 2.节约能源节约能源 save energy3.看情况而定看情况而定 It depends.4.照顾照顾 take care of 5.采取措施采取措施 take steps 6.大多数大多数.the majority of.7.把把.误认为误认为.mistake.for.8.分解分解 break down 9.对对.有坏处有坏处 be bad for 10.确保确保 make sure11.实际上实际上 in fact 12.从从.拔掉拔掉/移除移除 remove.from.13.常识常识 common sense14.在一些情况下在一些情况下 in some cases 15.把把.考虑进去考虑进去 take.into account 16.环保意识环保意识 environmental awareness17.做做.是值得的是值得的 its worth doing