人教book3unit4.ppt

1、,Unit 4Astronomy：the science of the stars,必修3,英語教學(xué)課件,自主回顧 自主排查區(qū),考點(diǎn)研析 講練互動區(qū),話題寫作 綜合應(yīng)用區(qū),1_(n.) 天文學(xué) 2_(n.) 系統(tǒng)；體系；制度 3_(n.) 學(xué)說；理論 4_(n.) 大氣層；氣氛 5_(adj.) 基本的；基礎(chǔ)的 6_(adv.) 因此；于是 7_(vt.(使)為難 (n.) 謎；難題 8_(adj.) 溫和的；文雅的 9_(vi.終于;總有一天,in no time _ at no time _ at a time _ at one time _ from time to time _ at

2、times _ take ones time _ kill time _,立刻；馬上 絕不 每次；一次 曾經(jīng)，一度 有時(shí)；偶爾 有時(shí) 別著急；慢慢來 消磨時(shí)間,擴(kuò)展延伸,結(jié)束放映,返回導(dǎo)航頁,At the same time,in time,At no time,where there is a will， there is a way,(用time短語填空),基礎(chǔ)練習(xí),(2015天津高考寫作)_，we are going to bring along about five hundred books with us for your class. _did they actually bre

3、ak the rules of the game.It was unfair to punish them. Youll succeed _because you are always working hard. Youd better do one thing _，so that you can concentrate on it.,能力提升,(高考小作文),(2014山東高考寫作)常言道，“有志者事竟成”，我們的努力遲早會有所回報(bào)。 As a proverb saying goes，“_ _”O(jiān)ur efforts_.,at a time,will pay off in time,結(jié)束放映

4、,返回導(dǎo)航頁,harm n.,harmful adj.,do /cause harm to sb =do sb.harm對某人有害,(1),(2),There is no harm in doing sth. /It does no harm to do sth. 做某事是個好主意(或沒有壞處),(1),harmful adj.有害的,(2),be harmful to sb./sth. 對某人/某物有害,harmful,結(jié)束放映,返回導(dǎo)航頁,in,harmful,(單句語法填空),基礎(chǔ)練習(xí),If you want to solve the problem in this way，there

5、is no harm _ calling him. As we all know，a bad eating habit is _(harm) to ones health.,能力提升,(一句多譯),眾所周知，過量喝酒對你的身體有害。 What is known to us is that drinking too much _. It is known to us that drinking too much _.,is harmful to your health,does harm to your health,結(jié)束放映,返回導(dǎo)航頁,As is known to us，there exis

6、ts a generation gap between the young and the old.,There exists/existed.某地有；存在,眾所周知，青年人和老年人之間存在著代溝。,exist,There exists/existed.某地有；存在,結(jié)束放映,返回導(dǎo)航頁,existence,was an existing problem for a long time,exists existing,(單句語法填空),基礎(chǔ)練習(xí),As is known to us，China came into _(exist) as an independent country in 194

7、9. There _a good way to solve the_problem in geography.(exist) You cant imagine what difficulty they have existing _the money he is earning.,能力提升,(一句多譯),(2014北京高考寫作)在我們學(xué)校自行車的存放是一個長久以來就存在的問題。 The parking place for bikes _ _in our school.,on,exist是不及物動詞，沒有被動語態(tài)，也不用于進(jìn)行時(shí)態(tài)。,結(jié)束放映,返回導(dǎo)航頁,When it is in my tur

8、n，I am too excited to speak.,in turn 依次；輪流；反之；反過來 by turns 輪流；交替地 take turns to do sth. 輪流做某事 It is ones turn to do sth. 輪到某人做某事 It turns/turned out that. 結(jié)果,當(dāng)輪到我時(shí)，我激動得都說不出話來了。,in ones turn輪到某人；接著,擴(kuò)展延伸,結(jié)束放映,返回導(dǎo)航頁,in turn,in turn creates more problems,it is your turn,(用turn短語填空),基礎(chǔ)練習(xí),Theory is based

9、on practice and _serves practice. As far as I know,_to look after the children. Class Three should be responsible for raising the red flag this week_.,能力提升,(句式升級),People try to avoid public transportation delays by using their own cars，and this_ _(反過來造成更多的問題) People try to avoid public transportatio

10、n delays by using their own cars，_ _(定語從句),in its turn,which in turn creates more problems,結(jié)束放映,返回導(dǎo)航頁,寫出下面pull短語的意義 (1)pull through_ (2)pull in_ (3)pull out_ (4)pull over_ (5)pull up _,使從(受傷)中活下來;渡過難關(guān),進(jìn)站，靠岸,離站，拔出，恢復(fù)健康,(使)車輛?？吭诼愤?拔起；停車,They are pulling down those houses to make room for a new hotel.,

11、擴(kuò)展延伸,pull down 拆毀；摧毀,為了給新旅館騰地，他們正在拆除那些房屋。,結(jié)束放映,返回導(dǎo)航頁,pull through,The train having pulled in,pulled out,(用pull短語填空),基礎(chǔ)練習(xí),Everyone was very concerned whether he would _or not. We waved as the train _of the station.,能力提升,(句式升級),The train _(已進(jìn)站?？? and the passengers are boarding in now. _，the passenger

12、s are boarding it now.(獨(dú)立主格結(jié)構(gòu)),has pulled in,結(jié)束放映,返回導(dǎo)航頁,I do hope she can cheer up and accept the challenge of life bravely!,_,cheer up(使)高興；(使)振奮；感到高興；感到振奮,我真心希望她能振作起來，勇敢地接受生活的挑戰(zhàn)！,_ 使某人振作起來_ (比賽中)以喝彩聲鼓勵；為某人加油_ 為而歡呼 _ 口語(用于祝酒)干杯！,cheer sb.up,cheer sb.on,cheer up,cheer for,Cheers!,擴(kuò)展延伸,結(jié)束放映,返回導(dǎo)航頁,to

13、cheer,to be cheered,for,單句語法填空,When Im feeling sad，my mother tells me funny stories _(cheer) me up. Lets go to the football game and cheer _our favorite team. If they win the final tonight，the team are going to tour around the city_(cheer) by their enthusiastic supporters.,結(jié)束放映,返回導(dǎo)航頁,But when I trie

14、d to step forward，I found I was carried twice as far as on the earth and fell over.,twice as far as.是一種倍數(shù)的表示方法，意為“是的兩倍遠(yuǎn)”，其中as far as.意為“遠(yuǎn)到”。,而當(dāng)我試著向前邁步的時(shí)候，我發(fā)覺我被送出去很遠(yuǎn)， 步子的跨度竟是在地球上的兩倍，因而我摔倒了。,結(jié)束放映,返回導(dǎo)航頁,Abe倍數(shù)asadj./adv.原級as B,The red ruler is three times as long as the yellow one.,Abe倍數(shù)adj./adv.比較級than

15、 B,The red ruler is three times the length of the yellow one.,倍數(shù)表達(dá)法,The red ruler is three times longer than the yellow one.,Abe倍數(shù)the名詞(size/weight/length.)of B,這個紅尺子是黃尺子的三倍長。,結(jié)束放映,返回導(dǎo)航頁,three times bigger than,three times as large as,three times the size of,一句多譯,據(jù)報(bào)道，最近發(fā)現(xiàn)了一顆行星，它幾乎是地球的三倍大，人類有望能在上面生活。

16、 It is reported that a new planet has been discovered recently.Its almost _Earth，and hopefully it can support human life. It is reported that a new planet has been discovered recently.Its almost _Earth，and hopefully it can support human life. It is reported that a new planet has been discovered rece

17、ntly.Its almost _Earth，and hopefully it can support human life.,結(jié)束放映,返回導(dǎo)航頁,This produced a chain reaction，which made it possible for life to develop.,這是“make it形容詞/名詞 to do sth.”句型。該句型中it為形式賓語，指代后面的不定式結(jié)構(gòu)，形容詞或名詞為賓語補(bǔ)足語。,這就產(chǎn)生了一系列的反應(yīng)，使得生命就可能發(fā)展了。,eg:People in the west make it a rule to buy Christmas pres

18、ents for their relatives and friends.,在西方,人們常在圣誕節(jié)時(shí)購買禮物給親屬和朋友。,結(jié)束放映,返回導(dǎo)航頁,makes it difficult,句型轉(zhuǎn)換,The present situation makes it is difficult for us to accomplish the task on time. The present situation _ _ _ for us to accomplish the task on time.,名師指津,it作形式賓語，除指代不定式結(jié)構(gòu)外， 還可指代that引導(dǎo)的賓語從句。,They made it

19、 clear to the public that they did an important and necessary job.,他們向公眾表明：他們所做的工作重要且必不可少。,結(jié)束放映,返回導(dǎo)航頁,“Oh dear，”I cried，“walking does need a bit of practice now that gravity has changed.”,now that“既然；由于”，引導(dǎo)原因狀語從句。在語義上相當(dāng)于since，that在口語中可省略,“天哪,”我大聲說,“重力改變了,看來走路也的確需要練一練了?！?結(jié)束放映,返回導(dǎo)航頁,Now that youve got

20、 a chance,一句多譯,你既然得到了一個機(jī)會，不妨充分利用它。 _，you might as well make full use of it. _，you might as well make full use of it.,(2015全國卷滿分作文)Now that you are interested in traditional Chinese cultures，I thought this festival would be a worthwhile experience for you. ,Since youve got a chance,既然你對中國傳統(tǒng)文化感興趣，我認(rèn)為這

21、個節(jié)日對你而言是個有價(jià)值的經(jīng)歷。,英譯漢,結(jié)束放映,返回導(dǎo)航頁,1I think its my turn _(drive) the kids to school this week. 2Her _(puzzle) look on her face suggested she didnt understand what I said. 3Some boys are too crazy about playing games on the computer，which is very _(harm) to their health. 4Last night，Mrs Green had a hear

22、t attack.But luckily，the doctor came_time to save her life. 5It is strange that Mike should have killed his roommate last night! Yes.In the eyes of many people，Mike appears_(gently) and polite.,to drive,puzzled,harmful,in,gentle,結(jié)束放映,返回導(dǎo)航頁,6Not all people are aware of the various effects of_(globe)

23、warming on Earth. 7It is none of your business_other people think about you.Believe in yourself. 8He failed in the exam and I didnt know how to cheer him_. 9People hope that measures will be taken to prevent house prices _(rise) 10The doctor thought_would be good for you to have a holiday.,global,wh

24、at,up,rising,it,結(jié)束放映,返回導(dǎo)航頁,1There is so much rain on the island that its annual rainfall reaches as many as sixty inches. _ 2The river is so polluted that every day we can see a lot of things being floating on the water. _ 3If you put your heart into it，youll succeed on time. _ 4As time going by，I b

25、egan to realize what I did was wrong. _ 5The problem of pollution is worth paying attention. _ 6This is such interesting a film that I have seen it twice. _,manymuch,去掉being,onin,AsWith或goingwent,attention后加to,suchso,結(jié)束放映,返回導(dǎo)航頁,根據(jù)提示，完成下面的小作文并背誦成文。,1上個星期天，我家附近的一座大樓發(fā)生了一場大火災(zāi)。(a big fire broke out) 2樓梯到處是煙霧，這使人們很難逃生。(make it difficult for people to escape) 3一個正要生孩子的婦女被困在1