Unit 4 Astronomy: the science of the stars 天文学：恒星科学
?梳理?基础自测i 賀归纳?核
心考点
素能提升演练
梳理?基础自测I ?单词盘点
根据词性和汉语意思写出词汇
1. （仏）天文学
2. 血）系统；体系；制度
3. astrono冊）学说；理论
4. （仏）大*.层；气氛
system
theory
atmosphere
5.fundamental (a dj.)
6.____ (adv.)
7.thus (v t. & vi.)
(仏)
8.P uzzle(adj.)
9.______ (vi. &vt.)
10.____ (n. &vt?)
gentle
crash
pull
基本的；基础的因此；于是
（使）迷惑；（使）为难谜；难题温和的；文雅的碰撞；坠落
拉（力）；拖；牵引力
11.
float
（vi. &vt.） （仏）
（奶?）猛烈的；激烈的；强暴的— Xadv.
翅乡?）不同；
不像— ___________________ &几）伤害-> （使）浮动；（使）漂浮
漂浮物 12.—… violent
—> ______ ]3?
_(adj ?)可能的 unlike
(adj. )W 害的- _______ (〃?)暴
力 violence
(皿)喜欢(prep.)相像— 14. 无害的 （惋?）存在；生存- harmful 15. harm 仏）存在；生存
harmless
exist existence
【品词自测】根据所给词的适当形式填空 ① The robbers hit them . more so they decided to a'n^velr beean th&r fiehtback.
(violent) ------------ &
violence 7
② This object gives off
our health. YW'fifiiist make the object it. (harmful)
③ Do you believe in the harmful of ghosts? Perhap^ttKy only
___ in the minds of some people. (exis^arm |ess
existence
? They couldn^t bear it any with and violence
gases. They may do
to before you use
exist
II ?短语回放1?及时；终于2?产生；分娩4?阻止；制止
3.轮到某人; 接着5?挡住（光线）
prevent?..from block out
6?感到高兴；感到振奋7.既然
&突发；爆发
9?密切注视；当心；提防10?和；以及
cheer up now that break out watch out as well as
m.句式扫描
1.__________________ （它会变成什么样）was uncertain until be祕傀謝t理禺蛉匪jpg）务/[ion years ago when the dust settled into a solid globe.
2.The earth became not clear
（如此猛烈以至于）it was whether the shape would last or not.
so violent that
3.This produced a chain reaction, which made it possible for （使得生命得以发展）.
tried to step forward, I found I was carried （两倍远）on the earth and fell over.
twice as far as
【仿句自测】根据下面句式仿写句子①make it +adj. + to do sth. 仿写：他早上六点起床成了惯例。
②倍数+as?? ? as. ? ?句型仿写：我的收入是他的两倍。
He made it a rule to get up at 6 in the morning.
My in come is twice as much as his.
归纳?核心考点
AHL Ml
激烈的；强暴的
暴风骤雨
暴力行为1. violent adj.猛烈的；
(1)violent crime violent
storm violent behaviour
(2)violently adv.
(3)violence n?take... by
violence do violence to...
猛烈地；激烈地暴力；
暴行
强夺……
对... 行凶；强暴对待
①The violent wind dashed the ship against a huge rock. 狂风将船猛地推向一块巨大的礁石。
?Meanwhile the violence continued in Libya. 在此期间，利比亚暴力冲突仍然在持续。
③The storm grew __________
这场暴风雨变得更加猛烈了O
more violent
2. exist vi.存在；生存(l)exist on
there exists/existed?? ?(2)come into existence in existence 某地有……；
产生；成立;
存在
存在……
开始存在
①They can9t exist on the money het earning.
他们靠他挣的那点钱无法维持生活。
②There exists a good way to solve the existing problem in geography.有一个解决现存地理问题的好办法。
③No one knows how this world __________________ .
没有人知道这个世界是怎样形成的。
came into existenee