2017届高考英语一轮复习Unit4Astronomythescienceofthestars导学案新人教版必修3

1 Unit 4 Astronomy: the science of the stars

Ⅰ.单词—在语境中默写，在联想中积累

[写得准] [用得活] [积得多]

1.fundamental adj. 基本的；基础的

2.astronomy n. 天文学

3.crash vi.& vt. 碰撞；坠落

4.system n. 系统；体系；制度

5.theory n. 学说；理论

6.atmosphere n. 大气层；气氛

7.thus adv. 因此；于是

8.pull n．&vt. 拉(力)；拖；牵引力

9.float vi.&vt. (使)浮动；(使)漂浮

n. 漂浮物

10.harmful adj.有害的→harm n．害处 vt.对……有害

11.violent adj.猛烈的；激烈的；强暴的→violence n．暴力→violently adv.猛烈地；激烈地

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

13.unlike prep.不同；不像→like

(反义词)prep.像→dislike v．&

n．不喜欢 用所给词的适当形式填空

1.Unlike (like) most people

in the office who come to

work by car, I usually come

to work by bus.

2.We live in a global

(globe) village, but this

doesn’t mean that we all

behave in the same way.

3.Do you believe the

existence of ghosts?

Perhaps they only exist in

the minds of some

people.(exist)

st night we had a

discussion, which became

more and more violent.

Finally we reached an

agreement that we will

never use violence whatever

happens.(violent)

5.There was a puzzled look

on the little girl’s face

because a puzzling problem

puzzled her.(puzzle) 1.与“太空”有关的高频单词集锦

①astronomy n． 天文学

②astronaut n. 宇航员

③gravity n. 万有引力

④satellite n. 卫星

⑤orbit n. 轨道

⑥spaceship n. 宇宙飞船

⑦universe n. 宇宙

⑧launch vt. 发射

2.各种“碰撞”聚焦

①crash v． 碰撞；坠落

②bump n．&v. 撞；碰撞(声)

③collide v. 碰撞；相撞

④collision n. 撞击；碰撞

⑤run into 撞上

⑥knock into 撞上

3.un­前缀高频形容词全接触

①unlike 不像的

②unable 不能……的

③unacceptable 不能接受的

④unbelievable 不可相信的 2 14.exist vi.存在；生存→existence n．存在

15.globe n．球体；地球仪；地球→global adj.全球性的；全世界的

16.religion n．宗教；宗教信仰→religious adj.宗教的 6.Playing computer games

will not only do harm to

your physical health, but

it is also harmful to your

mental health.So there is

no harm in advising you to

give it up.(harm) ⑤uncertain 不确定的

⑥unclear 不清楚的

⑦uncomfortable 不舒服的

⑧unfair 不公平的

Ⅱ.短语—在应用中记牢，在归纳中记多

[写得准] [用得活] [积得多]

1.in_time 及时；终于

y_eggs 下蛋

3.give_birth_to 产生；分娩

4.in_one’s_turn 轮到某人；接着

5.watch_out_for 密切注意；当心；提防

6.cheer_up 感到高兴；感到振奋

7.depend_on 依靠；取决于

8.break_out 突发；爆发

9.prevent_..._from 阻止；制止

10.block_out 挡住(光线)

11.get_the_hang_of 熟悉；掌握；理解

12.now_that 既然 选用左栏短语填空

1.Do remember to

watch_out_for cars while

crossing the street.

2.Cheer_up! You must

believe in yourself and you

will get success.

3.Please tell me when

Mr.Smith is arriving at

the train station so that I

can pick him up in_time.

4.At last the firefighters

put out the fire in the

supermarket, which

broke_out at ten this

morning.

5.You’ve made me suffer in

the past, so now you,

in_your_turn,_suffer

again！ 1.表达“小心；当心”的高频短语荟萃

①watch out (for) 小心；当心(……)

②look out 当心

③take care 小心

④be careful 小心

2.“阻止/禁止某人做某事”的多种表达

(1)阻止某人做某事

①prevent sb. from doing

sth.

②stop sb. from doing sth.

③keep sb. from doing sth.

(2)禁止某人做某事

④prohibit sb. from doing

sth.

⑤ban sb. from doing sth.

⑥forbid sb. from doing

sth.

Ⅲ.句式—在解读中学懂，在仿写中学通

3 [背原句] [记句式] [会仿用]

1.This produced a chain

reaction, which made it

possible for life to

develop.

这就产生了一系列的反应，使得生命就有可能开始发展了。 句中的it是形式宾语，真正的宾语是不定式短语to

develop。 这个女孩懂三门外语，这使她更容易找到一份好工作。

The girl knows three

foreign languages, which

makes_it_easier_for_her_to_find a good job.

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，我发觉我被送出去很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。 “...倍数＋as＋形容词/副词原级＋as ...”是倍数表达法之一，意为“……是……的多少倍”。 杰西卡付出的是以前三倍的时间和精力，所以我相信她这次能成功。Jessica devoted

three_times_as_much_time_and_energy_as she did

before, so I believe she

will succeed this time.

3.“Oh, dear，” I cried,

“walking does need a bit

of practice now that

gravity has changed.”

“天哪，”我大声说，“既然重力改变了，看来走路也的确需要练一练了。” now that “既然；由于”，引导原因状语从句，有时that可以省略。 既然它对我们的好处如此多，为什么不试一试呢？Now_that_it_benefits_us

so much, why not have a

try？

第一板块| 核心单词归纳集释

1．harmful adj.有害的

[经典例句] Experts point out that fruit juices can be harmful to children’s teeth.(牛津P803)

专家指出果汁可能损害儿童的牙齿。