高一英语必修三Unit4Astronomylanguagepoint[共55页]

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.,仿写：没人明白他在说什么，因为那太难理解了。,as在这里表示原因, 意思是“因为” 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 被广泛接受的 2) begin with=start with：“以开始”. The class begins with an interesting story. to begin with =to start with“首先;最初”，在句中作时间状语. e.g. To begin / start with, to keep healthy we need a balanced diet.,=Firstly,in all directions 朝四面八方 译：The enemies ran away

3、in all directions. 敌人四处逃窜。 direction n.方向，指示 拓展： Im terrible with directions. a sense of direction. 在某人的指导下 _ 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. 地球将成为什么样子一直是个谜，直到4538亿年以前这些尘埃凝聚成一个固体球体。,

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. 考点 what引导的主语从句，第一句what 在从句中作become的宾语，第二句what在从句中作主语。,考例1 _ was most import

5、ant to her, she told me, was her family.（山东 2008） A. ItB. ThisC. WhatD. As 点拨选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 点拨 what引导主语从句并且在从句中作say and do的宾语。,1. _（使大家吃惊的是）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,仿写: 李老师明天将去北京，直到那时才能知道谁将代替她给我们上课。 _ _,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. 地球开始变得

7、激烈动荡，不知道这个固体形状是否会继续下去。 last vi. 持续 好天气只持续了几天。 The fine weather only lasted for a few days. 友谊长存 Friendship lasts forever.,引导宾语从句既可以用whether, 也可以用if, 两者常可以互换。 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连用, 但是w

8、hether之后可以直接跟or not, 而if则不能 whether可以引导从句作介词的宾语, 而if则不能 whether可以直接跟动词不定式连用, 而if则不能 在个别动词之后, 如discuss 等, 只跟用whether引导的宾语从句,引导主语从句 (包括从句在句首的位置) 应当用whether, 不用if, 如： Whether it is true remains a problem. Whether he will come, I am not sure.,引导表语从句用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.,引导同位语从句用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.,【模拟翻译】 不知道她是否能成功地通过驾驶考试。 Its not clear whether she will pass the driving test.,1.(08石家庄市高中毕业班复习教学质量检测

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,高考链接,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 (一个爆炸性问题). the theory of population _: 人口大爆炸理论,v. 爆炸，炸开,v.（指感情）迸发 (=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: 最终/迟早(=finally/sooner or later) 译: 我迟早会回来的. Ill come back in time. 及时；不迟(=not late) A. 她会及时回来准备晚餐. She will be back _ _ _ prepare dinner. B. 你认为我们能及时赶上火车吗? Do you think we can get there _ _ _ the train?,in time to,in time for,拓展：与time相关的短语: on time _ at times _ in no time _ once upon a time _

14、 kill time _ from time to time ahead of time take ones time,准时,有时;偶尔,立刻；马上,从前,消磨时间,不时地,提前,别着急；慢慢来,情系考场,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年江西景德镇模拟)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. 大气层 会谈在友好的气氛下进行。 The ta

16、lk was conducted in a friendly atmosphere.,9. as the earth cooled down, water began to appear on its surface. 随着地球的冷却, 地球的表面就开始出现了水。 1) cool down 变凉, 冷却,平息, 冷静 晒了一天的太阳之后, 他喜欢在海水中凉快 一下。 After a day in the sun, he liked to _ in the sea. 他的话平息了她的怒气。 His words _ her anger.,cool down,cooled down,appear “

17、出现, 似乎”，不及物动词 “似乎, 好像” 系动词, 该词无被动语态。 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. 水会对于生命的发展起关键作用, 这一点在当时并不太明显。 fundamental adj.基础的，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对有害 e.g. Smoking is harmful to your health. =Smoking _ _ _ your health. 【拓展】 har

19、mless _ 联想：useless, helpless, homeless, There is no harm in reading more books. There is no harm in doing sth.做某事没有坏处,有害的,无害的,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.为固定短语,意为 “对有害”，且“the mode

20、rn farming. countryside”为定语从句修饰harm。故选B项。,B,13. This produced a chain reaction which made it possible for life to develop. 译:这产生了_，使生命的发展_. 注: make it + adj. + (for sb.) to do sth.: 使得(某人)做某事 (形式宾语) (真正的宾语),连锁反应,成为可能,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,组长让我们可以一起合作. The group leader_ 老师让他们容易地明白那个问题. 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、鼓励,促进 encourage sb. to do sth 老师鼓励我们课后多做英语练习. 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全国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. 另外一些叫作两栖动物,它们既能在陆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. 我学英语之外还学法语.,He grows flowers as well as vegetables.

26、他既种菜也种花. “就远原则”： 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. 它们一般是通过孵蛋而繁衍后代的. lie, lie , lay 的区别如下:,lied,lied,lying,lay,lain,lying,laid,laid,laying,They produced young generally by laying eggs.,Its generally beli

27、eved that一般认为,generally speaking 一般而言，概括来说,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,及时练,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 开始存在、成立 译: When did this world come into existence? Attention：exist 不用进行时态！,存在,is,There exist = There be (某处存在/有),exist on/by 靠为生 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：选C。考查名词辨析。bi

30、rth“出生”；evidence“证据”；existence“存在”；occurrence“发生”。句意：如今人们不信有鬼存在。由句意知应选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 与不同 give birth to 1) 生（孩子） Shes just given birth to a heal

31、thy baby girl. 她刚刚生了个健康的女婴。,2) 产生 The extraordinary experience gave birth to his latest novel. 这段奇特的经历促成了他的最新的一部小说的诞生。,spread, spread, spread （1）vi. （消息等）传开，流传。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，张开”，常与out连用。,He spread out his arms to welcome us.,I spread a new cloth on the table.,我在餐桌上铺上一条新桌布。,他张开手臂欢迎我们。,20. (L.41) Why they suddenly disappeared still remains a mystery. remain用法小结： 1) remain作系动词(看作“be”理解),意为“仍然；依旧” Peter成

33、为了一个经理，而Jack仍然是个工人。 Peter became a manager, but Jack remained _ _. 尽管外面很冷，房间里还是那么暖和。 Though it is cold outside, the room remained _. 他不得不继续住在医院，直到身体好转。 He had to remain _ _ until he was better. 虽然我们三番五次地请她坐下，她还是站着。 Though we repeatedly asked her to sit down, she remained _. 他们仍然被锁在房间里。 They remained

34、 _ in the room.,a worker,remain + n.作表语,remain + adj.作表语,warm,in hospital,locked,remain +介词短语,standing,remain + 分词作表语 (doing表主动；done表被动),2) remain作vi(不及物动词) 表示“留下；剩下” e.g. They went, but I remained. 表示某事“尚待、有待于以后被处置”，后加“to be done.” e.g. One problem remains _(solve). e.g. That remains _(prove). 3) r

35、emains: n. 表示“遗迹；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: 轮到某人 译: When it is in my turn, I am too excited to speak. 【拓展】 in turn: 依次；反过来 ( in return-作为回报) take turns to do/doing sth.: 轮流做某事 turn _: 调小音量；拒绝 turn _: 调大音量；出现 turn _: (使)变成敌人,down,up,against,【即时演练】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