英语是一种多中心语言。精品小编准备了高中二年级英语学科必修三知识点，具体请看以下内容。

重点识记词汇

1.system n.系统;体系;制度　　2.in time 及时;终于

3.lay eggs 下蛋 4.give birth to 产生;分娩

5.in one’s turn 轮到某人 6.prevent...from 阻止;制止

7.block out 挡住(光线) 8.climate n.气候

9.religion n.宗教;宗教信仰 10.atmosphere n.大气层;气氛

11.fundamental adj.基本的;基础的 12.thus adv.因此;于是

13.gentle adj.温和的;文雅的 14.crash vi.& vt.碰撞;坠落

15.pull n.& vt.拉(力);拖;牵引力 16.physicist n.物理学家

17.cheer up 感到高兴;感到振奋 18.now that 既然

19.break out 突发;爆发 20.watch out for密切注视;当心;提防

21.reaction n.反应;回应→react v.反应

22.exist vi.存在;生存→existence n.存在;生存

23.float vi.& vt.(使)浮动;(使)漂浮 n.漂浮物

24.violent adj.猛烈的;激烈的;强暴的→violently adv.强烈地;激烈地;凶猛地→violence n.暴力

25.theory n.学说;理论→theoretical adj.理论上的

26.puzzle n.谜;难题 vt.& vi.(使)迷惑;(使)为难→puzzled adj.迷惑的→puzzling adj.令人迷惑的

27.presence n.出席;到场;存在→present adj.在场的;目前的 n.目前;现在 v.呈现;颁发;授予

28.unlike prep.不同;不像→like vt.喜欢;prep.相像的→likely adj.可能的

29.harmful adj.有害的→harm n.危害;害处 vt.损害;伤害→harmless adj.无害的

30.globe n.球体;地球仪;地球→global adj.全球性的;全世界的 必背经典句式 1.This produced a chain reaction，which made it possible for life to develop.

这就形成一个连锁反应，使生命发展成为可能。

2.But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.

而当我试着向前迈步时，我发觉我被送出很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。

3....walking does need a bit of practice now that gravity has changed.

……既然重力改变了，行走的确需要一些练习。

4.The earth became so violent that it was not clear whether the shape would last or not.

地球变得如此激烈动荡以至于不知道这个固体形状是否会继续存在下去。 构词记忆 　musician /mju?′zI??n/ n.[C]音乐家;作曲家

physician /fI′zI??n/ n.[C]医生;内科医生

politician /?p?l?′tI?n/ n.[C]政治家;政客

Ⅰ.词汇与派生

A.语境填词

1.Computer hackers have broken down security systems(系统)，raising questions about the safety of information.

2.The three-star hotel offers a friendly atmosphere (气氛)and personal service.

3.There is a lot of rubbish floating(漂浮) on the surface of the river.

4.There are many theories(理论)about the origin of life.

5.The climate (气候) is different from place to place.

6.I noticed her looking at me with a puzzled(迷惑的)stare.

7.They are both teachers.Otherwise they are unlike(不同).

8.He pulled(拉)the door open and rushed out.

9.Water is fundamental(基本的)to the growth of the plants.

10.He often says that he doesn’t believe in any religion(宗教) and only believes in himself.

B.用所给词的适当形式填空

11.The robbers hit them violently.They couldn’t bear it any more so they decided to answer violence with violence and began their violent fight back.(violent)

12.This object gives off harmful gases.They may do harm to our health.You must make the object harmless before you use it.(harm)

13.—Do you believe in the existence of ghost?

—Perhaps they only exist in the minds of some people.(exist)

Ⅱ.短语运用

A.用方框内所给动词短语的适当形式填空

14.What can we do to prevent this disease from spreading?

15.We were scared to death when the fire broke out.Fortunately，it was put out before it caused much damage.

16.The good news cheered up everybody who heard it.

17.Thousands of turtles drag themselves onto the beach and lay eggs in the sand.

18.It was the study of history that gave birth to the social science.

19.We are depending on you to finish the job at present.

20.I have got the hang of learning English with the teacher’s help.

21.Nowadays，many old customs are gradually dying out.

B.用方框内所给短语填空

22.They ran all the way to the station just in time to catch the bus.

23.When it is in my turn，I am too excited to speak.

24.Now that you are familiar with the author’s ideas，try reading all the sections as quickly as you can.

25.Nursing is a vocation as well as a profession.

Ⅲ.经典句式

26.He made it his business to find out who was responsible.

他非要弄清楚是谁的责任不可。

27.He has got three times as many books as his sister.

他拥有的书的数量是他妹妹的三倍。

28.Jack said he would come and he did come.

杰克说他要来，他果真来了。

29.Now that you have got a chance，you might as well make full use of it.

你既然得到了一个机会，不妨充分利用它。

30.It doesn’t matter much whether you will take part in her birthday party or not.

你是否参加她的生日晚会都没有太大关系。

1 encourage v.鼓励;激励;促进

[应试指导]　非谓语动词句法功能的考查

encourage sb.to do...鼓励某人做……

encouraging adj.令人鼓舞的

encouragement n.鼓舞;鼓励

discourage sb.from doing...阻止某人做……

courage n.勇气 Banks actively encourage people to borrow money.

银行积极鼓动人们贷款。

[夯实基础]

(1)用encourage的适当形式填空

①Encouraged by the advances in technology，many farmers have set up wind farms on their land.

②It was encouraging that he recognized the dangers the company faced.

③I also had friends who gave me a great deal of encouragement.

(2)He was encouraged by a friend to do business online and he has made a fortune.

Encouraged by a friend to do business online，he has made a fortune.(用过去分词短语作状语改写句子)

2 lay v.放置;搁;下(蛋(;产(卵(

[应试指导]　形近词的变化形式

lay sth.aside搁置;储蓄

lay...off停止使用;解雇某人

lay out安排;布置;设计 You should lay aside your feelings when judging people’s abilities.

判断一个人的能力时，应该把自己的感情放在一边。

That factory laid off 1,000 workers.

那家工厂解雇了1 000多名工人。

[图解助记]

[特别提醒]

注意下列词形变化：

lay—laid—laid—laying放置;产卵

lie—lay—lain—lying躺;位于

lie—lied—lied—lying撒谎

[夯实基础]

用lay，lie的适当形式填空

(1)The boy lied that the white hen had laid a black egg and that he had laid it in the box which was lying under this bed.

(2)Mothers routinely lay babies on their backs to sleep.

3 depend v.依赖;依靠

[应试指导]　交际用语It/That depends.的考查

[多词一义]　depend on，rely on，count on

depend on/upon依靠;取决于

depend on sb.to do...依靠某人做……

depending on取决于……

depend on it that...指望……;相信……

It/That (all( depends.视情况而定。 The cooking time needed depends on the size of the potato.所需的烹饪时间取决于土豆的大小。

He depended on his writing for his income.

他靠写作赚取收入。