lesson_46半成品_待续.ppt新

1、Name: c cThis is our Earth. For the time being, we havent found the other planet to live, so, we should _our only environment. protect But, many people are destroying environment, such as wasting water, cutting trees, and producing harmful gases and so on.Have you seen these kinds of scenes? Nowdays

2、, many factories often pour the polluted water into the river.Industrial Waste Water PollutionIt has become a serious problem in China. If it went on like this, there will be no drinking water in China.Industrial Waste Water PollutionAnd people often produce harmful gases. It is bad for our breath,

3、more importantly, it is destroying our environment.Industrial Waste Gas PollutionEcological DestructionDo you know what might be the consequences of these environmental problems?HazyWeatherParticular matter pm2.5The average concentration of PM 2.5 in Beijings air over the past 24 hours has exceeded

4、the limits for air with acceptable quality, as defined by the Ministry of Environmental Protections air quality standards.Lung cancer= deathWater resources shortageTheearthistheonlyplanetonwhichhumanbeingscansurvive.ButnowLead-in (7:50-7:54)Katie keiti Katie keiti 凯蒂凯蒂( (人名）人名）leakleak英英li:kli:k美美li

5、klik】n.&v.n.&v.漏，渗漏漏，渗漏taptap英英ttpp美美ttp n.p n.龙头，阀门龙头，阀门beerbeer英英bb(r)(r)美美bbrn.rn.啤酒啤酒trucktruck英英trtrkk美美trtrkn.kn.货车货车; ;手推车手推车recyclingrecycling英英 ri:sari:saklkln.n. 回收利用回收利用factoryfactory英英ffktrktr 美美 f fktktrin.rin.工厂工厂unlikeunlike英英 n nlalakk美美prep.prep.（表示属性）与（表示属性）与不同不同; ;不像不像Lead-in (7:5

6、0-7:54)Katie keiti Katie keiti 凯蒂凯蒂( (人名）人名）漏，渗漏漏，渗漏龙头，阀门龙头，阀门啤酒啤酒货车货车; ;手推车手推车回收利用回收利用工厂工厂（表示属性）与（表示属性）与不同不同; ;不像不像leak英英li:k美美lik】n.&v.tap英英tp美美tpn.beer英英b(r)美美brntruck英英trk美美trkn.recycling英英ri:sakln.factory英英fktr美美fktrinunlike英英nlak美美prep.Thinking（7:54-8:09) (10:14-10:29)Task 1: P120 Read the pas

7、sage aloud and underline the words you cant read.Task 2: P120 Listen to the passage and check the pronunciation of the words and underline the phrasesTask 3: P121 Lets Do It ! Task4:Translation between English and ChineseDiscussion(8:09-8:18)(10:29-10:38) 1.C1.Check your answers with your heck your

8、answers with your classmates.classmates.2.Read the text. 2.Read the text. Show time(8:18-8:27)(10:38-10:47)clean enough_ take care of_live in_ save water_in many ways_ make sure _forget to do sth_ forget doing sth_turn off/on/up/down_ pick up_ be made into_ again and again_ other types of_ in fact _

9、 each of us=we each _ make a big difference_tooto do sth _ both sides of _足够干净照顾，保护住在节约水用许多方法确保忘记去做某事忘记做过某事关掉，打开，调大，调小捡起，取走被制成再三地，反复地其他种类的实际上，事实上我们每一个人产生大的影响太以至于不能做某事两边的，两面的，Read and tick the points mentioned in the lesson.sort garbage at homereuse plastic bagsbring your own bag when you go shopping

10、ride bikes or take busespick up rubbish off the streetturn off the lights when you leave a roomturn off the television and shut down the computer when you are not using themtake short showers 3.What can we do to help the environment?Read and match.open a window instead of turning on the air conditio

11、ningExplanation (8:27-8:36)1.I take short showers.我洗澡（淋浴）的时间短。“洗澡”的表达方式还有have a bath, take a bath等。2.In fact, if each of us makes a small change in our life, we can make a big difference to our environment.make a change意思是“做改动，改变”。例如：Can I _ in my reservation.我能改变预定吗？I think we need to _.我觉得我们得做些改变。

12、事实上，如果我们每个人在生活方面做一点小小的改变，将会对环境产生很大的影响。make a change make a change Explanation (8:27-8:36)make a difference 意思是“有影响，起重要作用”。例如：错走一步会对我的前程产生巨大的影响。A false step will _ to my future.身为教师，你们必须坚信你们能影响学生的一生。As teachers, you must believe that you can _to the lives of your students.What you do now can _to your

13、 future.你现在所做的对你的将来有很大影响。make a great differencemake a great differencemake a great differenceExplanation (8:27-8:36)3.Save作动词，意为“节省”。It will _you a lot of time if you go there taking the subway.如果你坐地铁到那里，会节省你很多时间。知识拓展】save v.储蓄，储存Im not good at _.我不擅长存钱。save作动词，还可意为“救助，挽救，拯救”save ones life 意为“救某人的命

14、。”（2）in many ways 在许多方面We can view the problem _.我们可以从许多方面来看待这个问题。savesavingIn many waysExplanation (8:27-8:36)4.Again and again 再三地，反复地。Again是副词，意为“再一次，又一次”。含有again的常见短语有：time and time again now and again Once again see you againShe ran a brush over her hair _.她把头发梳了又梳。Please say the sentence _.请把这

15、个句子再说一遍。5.I often check to make sure there arent ant leaks我经常检查确保没有泄露。make sure表示“弄清楚，查明，设法确定”，常用于祈使句，后面常接that宾语从句或of短语。如：_his coming before you set off.在你出发之前要确保他来。 有时，偶尔一遍又一遍地再见再一次againagain and againMake sure ofExplanation (8:27-8:36)_ no one finds out about this. 绝对不要让任何人发觉这件事。6.A truck picks up

16、 our recycling every week.每周一辆卡车来拉走我们的再回收利用品。Pick up 的用法：（1）表示“拾起”，“拿起”“捡起”等意思。如：Jack turned over the wallet he had _ in thestreet to the police.杰克把街上捡到的钱包交给了警察。He _the dictionary and began to look up the new word in it.他拿起词典开始查找这个生词。（2）表示“搭载”，“接载”等意思。如：The train stopped several times to _ passagers

17、.火车沿途停了几次，让乘客上车。Wait here and Ill_ at two Oclock.在这等着，两点钟我来接你。 Make sure thatpicked uppicked uppick you upMake sure thatMake sure thatpick upExplanation (8:27-8:36)7.Unlike other types of transportation, a bike doesnt make any pollution.不像其他种类的交通工具，自行车不产生任何污染。Unlike的用法：（1）用作介词，其意为“不像”，“与不同”。如：He was

18、 unlike any other Englishman.他不像其他英国人。Unlike many other poor unfornates,I do have a job.我同许多不幸的人不一样，我是有工作的。Its unlike sb. to do sth.是惯用句型，其意为“做某事不符合某人的特点。”如：Its unlike her to say so.她不像是讲那话的人。Its unlike him not to call.不打电话过来对他来说是不多见的。（2)用作形容词，意为“不相似的”，“不同的”，通常只用作表语，不用于名词前做定语。如：For twins, they are v

19、ery unlike.对于双胞胎而言，他们很不一样。They are so unlike that nobody would believe they are sisters.她们很不同，谁也不相信他们是姐妹。Explanation (8:27-8:36)（3）注意不要将unlike误用作动词，而与动词dislike混淆。如;许多教师都厌烦批改大堆的练习册。误：Many teachers unlike marking piles of exercise books.正：Many teachers dislike marking piles of exercise books.8.It is m

20、ade into new things.它被制成新的东西。Be made into 意为“被制成为”。如：The paper has been made into clothes for the door.纸被做成了洋娃娃的衣服。You know beans can _Toufu.A.Be made of B.be made from C.be made into D.be made in Self-check (8:27-8:36)1.我尽量不浪费水。I_ _ _waste water.2.请捡起那张纸。Please _ _ that piece of paper.3.事实上他没有看过那场电

21、影。_ _he hasnt seen the movie.4.我确信格林先生会来。 I _ _Mr. Green will come.5.然后那些废物被制成塑料袋。 Then those waste things were_ _plastic bags6.A new school will be _(build) here next year.7.Mothers are always _(worry) about their children.8. We can make a big_( different) in our life.9._(ride） a bike is the best o

22、f all types of transportation.10.Buses make _(little) pollution than cars.11.do,what,waste, most, the, we_(?)12.put, garbage, our , bags, we, other, in, plastic_(.)13.think,make,a,doesnt,pollution,any_(.)Self-check (8:27-8:36)14.bike,make,a, doesnt,pollution,any._15.you,any,for,waste,do, have,ideas,

23、reducing_16.She knows Japanese,too.(改为否定句）She _ _ Japanese,_.17.I have five plastic bags.(对划线部分提问）_ _plastic bags do you _?18.People throw their garbage on the ground.(改为否定句）People_throw their garbage on the ground.19.The mother always worries about her daughter.(对划线部分提问）_ _the mother always worry a

24、bout?20.To protect the environment is not too hard.（改为同义句）_ is not too hard _protect the environment.Self-check (8:27-8:36)21.-Whats the name of the song?-Yesterday once more. It _when I was a student.A.sang B.was singing C.was sung22.There arent many tickets left for the concert; youd better_that y

25、ou get one today.A.make sure of B.make a decision C.make sure D.make plans23.There are _cars and _pollution.A.too many;too many B too much;too muchC too many; too much D.too much;too many24.Taking a bus _less pollution than taking a car.A.make B.makes C.making D.to make 25.After hard busy work, she

26、would like to _.A.get a walk B.waste water C.have a party D.take a showerSelf-check (8:27-8:36)Self-check (8:27-8:36)Explanation (8:27-8:36)8.in,we,live,water,cant(.)_9.deserts,dry,called,these,places,are(.)_10.must,earth,well,the,treated,be(.)_We cant live without water.These dry places are called

27、deserts.The earth must be treated well.The earth is a very special planet,and it faces a big problem.In the year 2010,the worlds population was over 7 billion in total.It is increasing very 总共，总计 quickly.By 2025,the world may have about 8 billion people.And by 2050,the worlds population may reach 9

28、billion.There is another problem.people cant live everywhere on the earth.We cant live in water,and 在地球上 only about one third of our planet is land.But 三分之一 Lesson 38: The World Is a Big Placeparts of this land are very dry.These dry place are called deserts.Some areas have very high mountains.Others have a lot of snow and ice.It is a lot of 很多=lots of It is+adj+to do sth.not easy to live in those places.There are seven continents:Asia,Africa,Australia,Antarctica,Europe.NorthAmericaa