2019年人教新课标高考一轮复习必修三Unit4课件（共52张PPT）

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1、必修,词句基础过关,课文经典回顾,重点词汇讲练,写作句型仿写,写作微技能,1. _ in space存在于太空 2. _ into a truck撞上一辆卡车 3. _ on the surface of the water漂浮在水面上 4. _ out my tooth拔掉我的牙齿 5. _ of flowers/work一大堆的花/工作 6. the law of conservation of _ 质量守恒定律,mass,exist,crash,float,pull,masses,7. in that cold _ 在寒冷的气候条件下 8. climb out of the _ 爬出宇宙

2、飞船 9. create a comfortable _创造一种舒适的气氛 10. more than one _ dollars 十亿多美元 11. the solar _ 太阳系 12. Her words _ me greatly. 她的话让我很困惑。,puzzled,climate,spaceship,atmosphere,billion,system,1. multiply n. 氧 2. globe n. 碳 3. biology v. 乘；增加 4. oxygen n. 酸 5. dioxide n. 二氧化物 6. carbon n. 球体；地球仪；地球 7. acid n.

3、生物学,8. religion n. 原子 9. chain n. 万有引力；重力 10. atom n. 链子；连锁；锁链 11. gravity n. 卫星；人造卫星 12. satellite n. 宗教；宗教信仰 13. thus prep. 不同；不像 14. unlike adv. 因此；于是,1. They are _ (violent) opposed to the idea. 修饰谓语用副词。2. _(fundamental), there are two different approaches to the problem. 修饰整个句子用副词。,violently,Fu

4、ndamentally,3. He claims television violence is _ (harm) to children. 作定语用形容词。 4. He patted me _ (gentle) on the back. 修饰动词用副词。5. These findings have both _ (theory) and practical applications. 作定语用形容词，与practical并列。,harmful,gently,theoretical,6. He designs to become a _(physic). 由句意“他计划成为物理学家”可知，用ph

5、ysicist。7. He wished to be an _ (astronomy) when he was a child. 由句意“当他是个孩子时，想成为一名天文学家”可知，用astronomer。,physicist,astronomer,1. _ 既然 2. _轮到某人；接着 3. _ pickpockets提防扒手 4. _ a baby boy生了一个男孩 5. _ the light 挡住光线,block out,now that (=since),in ones turn,watch out for,give birth to,6. I _ immediately. 我立刻振

6、奋起来。 7. be _ to catch the train及时赶上那趟火车8. _ air _ being polluted 阻止空气污染 9. The hen _. 母鸡下了三个蛋。 10. A fight _ just now. 刚才爆发一场打斗。,(注：be in time to catch the train =be in time for the train),broke out,laid three eggs,prevent,from,cheered up,in time,1. It was not _(immediate) obvious that water was to

7、be fundamental _ the development of life.水会对生命的发展起关键作用，这一点在当时并不太明显。2. This produced a chain reaction，which made _ possible for life to begin to develop. 这引起连锁反应，使得生命开始发展成为可能。,immediately,to,it,3. When we get closer _ the moon, we shall feel its gravity _ (pull) us, but it will not be as strong a pul

8、l _ the earths. 当我们更接近月球时,就会感到月球的引力在拉我们。但是,月球的引力不像地球的引力那么大。,to,pulling,as,4. So whether life will continue on the earth _ millions of years to come will depend on _ this problem can be solved.所以，在未来的数百万年中，生命能否在地球上延续取决于这个问题能否得到解决。5. As _result of this, many scientists believe that the earth may becom

9、e too hot to live _. 因此，许多科学家认为地球可能会变得太热而不适合生物生存。,on,for,whether,a,No one knows 1 _(exact) how the earth began. However，according to a widely 2 _ (accept) theory，it began 3 _ a “Big Bang”. Then the earth exploded loudly and produced water vapor and many gases， 4 _(make) the earths atmosphere. And th

10、en as the earth cooled down，water appeared and stayed on the surface.,exactly,accepted,with,making,It was the presence of water that allowed the earth to dissolve(溶解) 5 _ (harm) gases and acids into the oceans and seas, 6 _ made it possible for life to develop. And the appearance of small plants enc

11、ouraged the development of early shellfish and all sorts of fish. Next，green plants began to grow on land. They were followed by land animals. Later，reptiles appeared for the first time, after which dinosaurs developed.,harmful,which,However, they suddenly 7 _(appear). Therefore，mammals rose on 8 _

12、earth. Finally，humans appeared and spread all over the earth. However，they are putting too much carbon dioxide into the atmosphere，making the earth too hot 9 _(live) on. So whether life will continue on the earth will depend on whether this problem can 10 _(solve).,be solved,disappeared,the,to live,

13、According to a wide accepted theory, the universe began with a “Big Bang” that threw matter in all direction. For several billions years after the “Big Bang”, earth was still just a cloud of dust. What it was to become was certain until between 4.5 and 3.8 billion years before when the dust settled

14、into a solid globe.,The earth became so violently that it was not clear whether the shape would be last or not. It exploded loudly with fire and rock. They were on time to produce carbon, nitrogen, water vapor and other gases, that were to make the earths atmosphere.,1. wide widely 用副词修饰过去分词accepted

15、 (被接受的)。 2. direction directions 受all修饰，应用复数。 3. billions billion 因billion, million, thousand, hundred等前面有数词或few, several时，不用复数。 4. 在earth前加the 独一无二事物前要加the。 5. certain uncertain 它会变成什么“不能确定”。,6. before ago 指离现在多久以前，用ago。 7. violently violent 在became后作表语，要用形容词。 8. 去掉last前的be 因last(持续，维持)是不 及物动词，有了动词

16、后，若不是进行时态或被动语态，不用be。 9. on time in time 表示“及时做某事”是in time to do sth，而on time是“按时”。 10. that which 引导非限制性定语从句用which。,总之，理论必须同实践相结合。,1. theory n. 学说；理论,in theory 在理论上,in practice 在实践上,In brief, theory must be combined with practice.,2. unlike prep. 不同；不像unlike adj. 不同的；不相似的,她不像她妈妈；她很高，而她妈妈很矮。 _；she is

17、 tall while her mother is very short.,like prep. 像 like adj. 相似的,She is unlike her mother,be harmful to 对有害 do harm to sb= do sb harm 对某人有害,3. harmful adj. 有害的，伤害的,_ adj. 有益的,_ n. & v. 伤害，损害 _ adj. 无害的，无恶意的,harmless,beneficial,harm,As we all know，smoking is _ (harm) to our health. Thats to say，it do

18、es harm _ our health. Therefore， we shouldnt smoke but to do something _ (harm) to our health.,harmless,harmful,to,exist in 存在于中 exist on = live on 靠生活 exist as 作为而存在,4. exist vi. 存在；生存；生活；继续存在, The little boy cannot exist _ the money he is earning. Matter can exist _ a solid，liquid or gas. We cant

19、exist without water. That means our _(exist) depends on water.,existence,on,as,be puzzled by 被迷惑 be a puzzle to sb 对某人来说是个谜困惑 befeel puzzled about 对感到困惑,5. puzzle n. 谜；难题 v. (使)迷惑；(使)为难, Your explanation is really a puzzle _ me. His recent behavior _ (使我困惑).,puzzles me,to, 上涨的河水使我们过不了河。 The rising w

20、ater _ _.,6. prevent/ stop/ keepfrom 阻止做,protectfrom 保护不受,prevented us from crossing,the river, 人们采取行动来防止环境的恶化。People took measures _ _.,to prevent the,environment from getting worse, 既然你是学生，你就必须遵守校规。 _，you must obey school rules. 既然大家都来了，我们就开会吧。 _ ，lets begin our meeting.,7. now that 由于；既然,Now that

21、/Since everybody is here,Now that you are a student,(1) 我认为你们能及时赶到那里。 I calculate that youll _.(2) 你迟早会学好英语的。 Youll learn English well in time.,8. in time 及时；终于；迟早,get there in time,当地震发生时，大家都在睡觉。 _，everyone was sleeping in bed.,9. break out (火灾/ 战争/ 地震等)爆发；发生,When the earthquake broke out,She _ (生了

22、一个健康男婴) last night.,10. give birth to 产生；分娩；引起；造成,gave birth to a healthy baby boy,Its sbs turn to do sth 轮到某人做某事 take turns to do sth 轮流做某事,11. in ones turn 轮到某人；接着, 轮到我的时候，我给他们讲 了一个笑话。 In my turn, I told them a joke. 轮到你看医生啦。 Its your turn to see the doctor., 因特网使我们有可能用很短的时间获知世界上发生的所有的事。 The Inter

23、net has _ _ what happens around the world in much less time.,1. make it + adj. + for sb to do sth 使某人做起某事来,made it possible for us to,get to know, 这本字典使我学习英语容易多了。The dictionary _ _ English.,makes it much,easier for me to learn, 我们明天是否野炊取决于明天是否天晴。 Whether we will have a picnic depends on whether it i

24、s fine tomorrow 我是否嫁给他取决于他是否爱我。 Whether I will marry him depends on whether he loves me.,2. whetherdepend on whether 某事是否发生取决于是否,以下英语谚语是“主谓宾”句型，请译成汉语。,“主+谓+宾”谚语翻译,1. A cat has nine lives. 猫有九条命/吉人自有天相。2. No man can do two things at once. 一心不可二用。3. A candle lights others and consumes itself. 蜡烛焚自身,光亮

25、照别人。,4. Never say die! 永不言败!5. Never offer to teach fish to swim. 不要班门弄斧。6. Great hope makes a great man. 伟大的抱负造就伟大的人物。7. God helps those who help themselves. 天助自助者。,8. The early bird catches the worm. 早起的鸟儿有虫吃。9. He who does not advance loses ground. 不进则退。10. Reading enriches the mind. 开卷有益。11. Rea

26、ding makes a full man. 读书使人完美。,12. Many hands make light work. 众人拾柴火焰高/人多力量大。13. A single flower does not make a spring. 一花独放不是春。14. Every man has his faults. 金无足赤，人无完人。,15. Every dog has its day. 凡人皆有出头日。16. A good beginning makes a good ending. 善始者必善其终。17. Fire and water have no mercy. 水火无情。,18. All roads lead to Rome. 条条道路通罗马。19. Time and tide wait for no man. 岁月不待人。20. Never put off till tomorrow what may bedone today. 今日事, 今日毕。,Thank you !,