高一英語必修三Unit4Astronomylanguagepoint[共55頁]

1、1.No one knows exactly how the earth began, as it happened so long ago.,No one knows what he was saying, as it was too hard.,仿寫：沒人明白他在說什么，因為那太難理解了。,as在這里表示原因, 意思是“因為” As he was ill, he needed more help.,2.However, according to a widely accepted theory, the universe began with a “Big Bang” that threw

2、 matter in all directions. 1) widely accepted 被廣泛接受的 2) begin with=start with：“以開始”. The class begins with an interesting story. to begin with =to start with“首先;最初”，在句中作時間狀語. e.g. To begin / start with, to keep healthy we need a balanced diet.,=Firstly,in all directions 朝四面八方 譯：The enemies ran away

3、in all directions. 敵人四處逃竄。 direction n.方向，指示 拓展： Im terrible with directions. a sense of direction. 在某人的指導(dǎo)下 _ ones direction,方向感,under,3. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 地球?qū)⒊蔀槭裁礃幼右恢笔莻€謎，直到4538億年以前這些塵埃凝聚成一個固體球體。,

4、4. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. What is even more important is that as the earth cooled down, water began to appear on its surface. 考點 what引導(dǎo)的主語從句，第一句what 在從句中作become的賓語，第二句what在從句中作主語。,考例1 _ was most import

5、ant to her, she told me, was her family.（山東 2008） A. ItB. ThisC. WhatD. As 點撥選C。,考例2 _ is known to us all is that the 2008 Olympic Games will take place in Beijing.（福建 2008） A. It B. What C. As D. Which 點撥 what引導(dǎo)主語從句并且在從句中作say and do的賓語。,1. _（使大家吃驚的是）is that he didnt come to the meeting.,What surpri

6、sed everybody,2. _（他所做的）added to our difficulty.,What he did,仿寫: 李老師明天將去北京，直到那時才能知道誰將代替她給我們上課。 _ _,Who will give us lessons in place of Miss Li isnt known until tomorrow when she will go to Beijing.,5.The earth became so violent that it was not clear whether the solid shape would last or not. 地球開始變得

7、激烈動蕩，不知道這個固體形狀是否會繼續(xù)下去。 last vi. 持續(xù) 好天氣只持續(xù)了幾天。 The fine weather only lasted for a few days. 友誼長存 Friendship lasts forever.,引導(dǎo)賓語從句既可以用whether, 也可以用if, 兩者常可以互換。 He asked me whether / if I could lend him my bike. Could you tell us whether / if it snows in winter in Australia?,whether和if都可以和or not連用, 但是w

8、hether之后可以直接跟or not, 而if則不能 whether可以引導(dǎo)從句作介詞的賓語, 而if則不能 whether可以直接跟動詞不定式連用, 而if則不能 在個別動詞之后, 如discuss 等, 只跟用whether引導(dǎo)的賓語從句,引導(dǎo)主語從句 (包括從句在句首的位置) 應(yīng)當(dāng)用whether, 不用if, 如： Whether it is true remains a problem. Whether he will come, I am not sure.,引導(dǎo)表語從句用whether, 不用if, 如: The question is whether you should a

9、ccept it. The question is whether he will speak at the meeting.,引導(dǎo)同位語從句用whether, 不用if, 如: The question whether hell attend the meeting is essential. I am in doubt whether I should agree to the plan.,【模擬翻譯】 不知道她是否能成功地通過駕駛考試。 Its not clear whether she will pass the driving test.,1.(08石家莊市高中畢業(yè)班復(fù)習(xí)教學(xué)質(zhì)量檢測

10、) We all know there are a lot of troubles in our lives， but a successful life depends onthey control us or we control them. A.thatB.whether C.howD.which 2.(05天津2)Elephants have their own way to tell the shape of an object and it is rough or smooth. A./ B. whether C.how D.what 3. (09浙江12)Is there any

11、 possibility _ you could pick me up at the airport? No problem. A. When B. that C. whetherD. what,高考鏈接,B,B,B,7. It exploded loudly with fire and rock. 【探究】 The bomb exploded in Iraq last night. The children exploded into/with laughter. The citys population hasexplodedin the last few years. 【拓展】adj.

12、explosive 爆炸性的 n. explosion 爆炸 Unemployment became an _issue (一個爆炸性問題). the theory of population _: 人口大爆炸理論,v. 爆炸，炸開,v.（指感情）迸發(fā) (=burst into),v.（指人口）突然或迅速增加,explosive,explosion,8. They were in time to produce carbon, nitrogen, water vapour and other gases, which were to make the earths atmosphere. in

13、 time: 最終/遲早(=finally/sooner or later) 譯: 我遲早會回來的. Ill come back in time. 及時；不遲(=not late) A. 她會及時回來準(zhǔn)備晚餐. She will be back _ _ _ prepare dinner. B. 你認(rèn)為我們能及時趕上火車嗎? Do you think we can get there _ _ _ the train?,in time to,in time for,拓展：與time相關(guān)的短語: on time _ at times _ in no time _ once upon a time _

14、 kill time _ from time to time ahead of time take ones time,準(zhǔn)時,有時;偶爾,立刻；馬上,從前,消磨時間,不時地,提前,別著急；慢慢來,情系考場,1._， I lost heart in English learning，but my teacher often said to me，“Keep on studying hard, and youll succeed_.” AAt a time；in time BAt a time；on time CAt one time；in time DAt one time；on time,C,

15、2(2009年江西景德鎮(zhèn)模擬)Does he often ask you for help? Oh，no，only_. Aall the time Bat one time Cat a time Dat times,D,3I am afraid I cant return the book to you before Friday. _. ADont be afraid BBe careful CNot at all DTake your time,D,(L.13)which were to make the earths atmosphere. 大氣層 會談在友好的氣氛下進(jìn)行。 The ta

16、lk was conducted in a friendly atmosphere.,9. as the earth cooled down, water began to appear on its surface. 隨著地球的冷卻, 地球的表面就開始出現(xiàn)了水。 1) cool down 變涼, 冷卻,平息, 冷靜 曬了一天的太陽之后, 他喜歡在海水中涼快 一下。 After a day in the sun, he liked to _ in the sea. 他的話平息了她的怒氣。 His words _ her anger.,cool down,cooled down,appear “

17、出現(xiàn), 似乎”，不及物動詞 “似乎, 好像” 系動詞, 該詞無被動語態(tài)。 Our teacher appeared on TV this morning.,10.Water had also appeared on other planets like Mars but, unlike the earth, it had disappeared later.,unlike prep. dislike v. likely adj. unlikely adj.,11. It was not immediately obvious that water was to be fundamental t

18、o the development of life. 水會對于生命的發(fā)展起關(guān)鍵作用, 這一點在當(dāng)時并不太明顯。 fundamental adj.基礎(chǔ)的，基本的,12. The continued presence of water allowed the earth to dissolve harmful gases and acids into oceans and seas. harmful adj. _ be harmful to對有害 e.g. Smoking is harmful to your health. =Smoking _ _ _ your health. 【拓展】 har

19、mless _ 聯(lián)想：useless, helpless, homeless, There is no harm in reading more books. There is no harm in doing sth.做某事沒有壞處,有害的,無害的,does harm to,=do harm to,The harm the modern farming methods have done _ the countryside is considerable. A.on B.to C.at D.for 解析 do harm to sb./sth.為固定短語,意為 “對有害”，且“the mode

20、rn farming. countryside”為定語從句修飾harm。故選B項。,B,13. This produced a chain reaction which made it possible for life to develop. 譯:這產(chǎn)生了_，使生命的發(fā)展_. 注: make it + adj. + (for sb.) to do sth.: 使得(某人)做某事 (形式賓語) (真正的賓語),連鎖反應(yīng),成為可能,BBG Learning Machine,easy,learn English,BBG learning machine makes it easy for stud

21、ents to learn English.,students, The foreign Minister said, “_ our hope that the two sides will work towards peace. ” (2004BJ) A. This is B. There is C. That is D. It is I like _ in the autumn when the weather is clear and bright. (NMET2004) A. this B. that C. it D. one Why dont you bring _ to his a

22、ttention that you are too busy to do it? A. this B. that C. what D. it Was it at the school _ was named after a hero _ he spent his childhood? A. which ; that B. where; where C. that; where D. which; where,D,D,C,組長讓我們可以一起合作. The group leader_ 老師讓他們?nèi)菀椎孛靼啄莻€問題. The teacher _.,made it possible for us to

23、 work together.,made it easy for them to understand the question,14.They multiplied and filled the oceans and seas with oxygen, which encouraged the the later development of early shellfish and all sorts of fish.,multiply v. 乘,增加,繁殖 蚊子在夏天繁殖得很快. Mosquitoes multiply rapidly in summer. 2) encourage v.

24、鼓勵,促進(jìn) encourage sb. to do sth 老師鼓勵我們課后多做英語練習(xí). The teacher encourages us to do more exercise after class.,1（10四川10）After graduating from college，I took some time off to go travelling， turned out to be a wise decision Athat Bwhich Cwhen Dwhere 2. 10全國24） As a child , Jack studied in a village school ,

25、_ is named after his grandfather. A.which B. where C. what D. that,15.Others, called amphibians, were able to live on land as well as in the water. 另外一些叫作兩棲動物,它們既能在陸地上生活也能在水里生存. as well as 表示“(除.之外)也; 既又”. 如: Im learning French as well as English. 我學(xué)英語之外還學(xué)法語.,He grows flowers as well as vegetables.

26、他既種菜也種花. “就遠(yuǎn)原則”： He as well as I _ (like) rock music. I as well as he_(like) rock music.,likes,like,16.They produced young generally by laying eggs. 它們一般是通過孵蛋而繁衍后代的. lie, lie , lay 的區(qū)別如下:,lied,lied,lying,lay,lain,lying,laid,laid,laying,They produced young generally by laying eggs.,Its generally beli

27、eved that一般認(rèn)為,generally speaking 一般而言，概括來說,1) Its generally believed that girls work harder than boys do.,2) Generally speaking, women cry more easily than men.,The naughty boy _ to me that the hen that _ there just now had _ two eggs the day before. A. laid; laid; laid B. laid; lay; lain C. lied; l

28、aid; lain D. lied; lay; laid,及時練,17. (L.40) They laid eggs too and existed on the earth for more than 140 million years. exist: v. Could life exist in the desert? _ There exists a beautiful garden in our School. = There _ a beautiful garden in our School. 【拓展】 n. existence:存在 搭配: come into existence

29、 = come into being 開始存在、成立 譯: When did this world come into existence? Attention：exist 不用進(jìn)行時態(tài)！,存在,is,There exist = There be (某處存在/有),exist on/by 靠為生 It was impossible for them to _such a small income. People do not now believe in the_of ghosts. Abirth Bevidence Cexistence Doccurrence 解析：選C?？疾槊~辨析。bi

30、rth“出生”；evidence“證據(jù)”；existence“存在”；occurrence“發(fā)生”。句意：如今人們不信有鬼存在。由句意知應(yīng)選C。,exist on,18.These animals were different from all life forms in the past, because they gave birth to young baby animals and produce milk to feed them. be different from 與不同 give birth to 1) 生（孩子） Shes just given birth to a heal

31、thy baby girl. 她剛剛生了個健康的女嬰。,2) 產(chǎn)生 The extraordinary experience gave birth to his latest novel. 這段奇特的經(jīng)歷促成了他的最新的一部小說的誕生。,spread, spread, spread （1）vi. （消息等）傳開，流傳。如： The news spread through the school very quickly. The fire spread from the factory to the house nearby.,19. small clever animals, now with

32、 hands and feet, appeared and spread all over the earth.,（2）v. “使伸展，延伸，張開”，常與out連用。,He spread out his arms to welcome us.,I spread a new cloth on the table.,我在餐桌上鋪上一條新桌布。,他張開手臂歡迎我們。,20. (L.41) Why they suddenly disappeared still remains a mystery. remain用法小結(jié)： 1) remain作系動詞(看作“be”理解),意為“仍然；依舊” Peter成

33、為了一個經(jīng)理，而Jack仍然是個工人。 Peter became a manager, but Jack remained _ _. 盡管外面很冷，房間里還是那么暖和。 Though it is cold outside, the room remained _. 他不得不繼續(xù)住在醫(yī)院，直到身體好轉(zhuǎn)。 He had to remain _ _ until he was better. 雖然我們?nèi)宕蔚卣埶?，她還是站著。 Though we repeatedly asked her to sit down, she remained _. 他們?nèi)匀槐绘i在房間里。 They remained

34、 _ in the room.,a worker,remain + n.作表語,remain + adj.作表語,warm,in hospital,locked,remain +介詞短語,standing,remain + 分詞作表語 (doing表主動；done表被動),2) remain作vi(不及物動詞) 表示“留下；剩下” e.g. They went, but I remained. 表示某事“尚待、有待于以后被處置”，后加“to be done.” e.g. One problem remains _(solve). e.g. That remains _(prove). 3) r

35、emains: n. 表示“遺跡；剩余物” e.g. Theremainsof the supper were taken away. 4）remaining: adj. “剩余的”,to be solved,to be proved,Having a trip abroad is certainly good for the old couple, but it remains _ whether they will enjoy it.A. to see B. to be seen C. seeing D. seen 2. The lady said she would buy a gift

36、 for her daughter with the_.A. 20 dollars remained B. 20 dollars to remainC. remained 20 dollars D. remaining 20 dollars 3. It was already past midnight and only three young men _ in the teahouse.A. left B. remained C. delayed D. deserted 4. Please remain _ until the plane has come to a complete sto

37、p.A. to seat B. to be seatedC. seating D. seated,21. Thus, they have, in their turn, become the most important animals on the planet. in ones turn: 輪到某人 譯: When it is in my turn, I am too excited to speak. 【拓展】 in turn: 依次；反過來 ( in return-作為回報) take turns to do/doing sth.: 輪流做某事 turn _: 調(diào)小音量；拒絕 turn _: 調(diào)大音量；出現(xiàn) turn _: (使)變成敵人,down,up,against,【即時演練】用 “up/ down/ in /against” 填空 The help we give to others will _ turn give ourselves pleasure. He said that he would die than to turn _ his country. He tried to join the army but was turned _ because