出科评语2019-2020学年高中英语人教版必修三
Unit 4 Astronomy：the science of the stars知识点归纳
I. Important phras
1．exist vi.存在；生存
(1)exist in 存在于……之中
exist on 靠……为生
There exists/existed ... 某地有……；存在……
(2)existence n. 存在；生存
come into existence 产生；成立；开始存在
2．puzzle vt.使迷惑；使为难；使窘困；感到迷惑n.(游戏的)猜谜；难题；谜
(1)puzzle over/about sth.苦苦思索；仔细琢磨……
puzzle sth.out 琢磨出……的答案
a puzzle to sb. 对……来说是个谜
(2)puzzled adj. 迷惑不解的(常用来修饰人)
be puzzled about 对……感到迷惑
puzzling adj. 令人迷惑不解的(常用来修饰事物)
3．pull n．& vt.拉(力)；拖；牵引力
pull away (汽车等)开走
pull down 拆毁；摧毁
pull up 停下(车)来；阻止
pull in (车辆)进站停靠；靠边停靠
pull out 驶出；退出；(使)摆脱困境
pull through 康复；痊愈
4．force vt.促进；强迫n.力量；军队
(1) force sb. to do sth 迫使……做
force sb. into doing sth. 迫使……做
force one's way (into) 强行前进或进入
force sth. on sb. 把……强加于某人
(2)by force 依靠武力
come into force (法律)实施
in force 大批地；大规模地
5．in time及时；终于；总有一天
(1)in no time 立刻；马上
at no time 绝不(位于句首，句子需倒装)
at a time 每次；一次
at one time 曾经；一度
at the same time 同时
from time to time 有时；偶尔
(2)take one's time 别着急；慢慢来
kill time 消磨时间
6．in one's turn轮到某人；接着
in turn 依次；轮流；反之；反过来
by turns 轮流；交替地
take turns to do sth. 轮流做某事
It is one's turn to do sth. 轮到某人做某事
It turns/turned out that ... 结果……
7．简笔画春天cheer up(使)高兴；(使)振奋；感到高兴；感到振奋
(1)cheer sb. on(比赛中)以喝彩声鼓励；为某人加油
cheer the victory 为胜利而欢呼
(2) 车险怎么理赔cheering adj. 能鼓舞人的；使人振作/高兴的
cheerful adj. 快乐的；高兴的；兴高采烈的方便近义词
cheerless adj. 阴冷的；阴暗的；阴郁的；不快乐的
(3) Cheers! (用于祝酒)干杯！
8. solar system ; a social system; a railway system; the prent education system
9. lay eggs
10. give birth to
11. block out
12. carbon dioxide
13. manned spaceship
14. watch out; watch out for
II. Important ntence patterns
1. make it＋adj.＋ do sth.“使某人做某事……”(it是形式宾语，形容词是宾语补足语， do是真正的宾语)。
This produced a chain reaction, which made it possible for life to develop.
2．.whether ...depends on whether ...“……是否……取决于是否……”。
So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved
衣服广告语
3．倍数的表达方式之一：“A＋倍数＋as＋形容词或副词的原级＋as＋B”，表示“A是B的多少倍”。 无私奉献的意思
But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.
说明：其他常用倍数表达方式：
①“A＋倍数＋形容词或副词的比较级＋than＋B”，表示“A比B大(长、高、宽等)多少倍”。
②“A＋倍数＋the size/height/length/width ...＋of＋B”，表示“A是B的多少倍”。
4．It is/was obvious that ...“很明显……”。
It was not immediately obvious that water was to be fundamental to the development of life.
5. now that引导的原因状语从句
Walking does need a bit of practice now_that_gravity_has_changed (既然地球引力已发生了变化)．
III． 词形变化
1．like vt.喜欢→ dislike vt.不喜欢，厌恶
like prep.像 → prep. unlike不像……的
likely adj. adv.可能的;可能地→unlikely adj. adv
2．violent adj.猛烈的；激烈的；强暴的→violence n意见建议怎么写．暴力→violently adv.暴力地；猛烈地
3．harmful adj.有害的→harm n．& v．伤害→harmless adj.无害的
4．exist vi.存在；生存→existence n．存在；生存→existent adj. 存在的
5. biology →biologist physics → physicist
6. foundation/fundament→ fundamental→ fundamentally
7. system → systematic → systematically
Quiz（Unit 4 Astronomy：the science of the stars）
Ⅰ.Fill in the blanks with proper words.
1．Last year, one of the plants exploded violently (violent), and the local people got into a great panic.
2．There were many fish floating (float) in the river becau of the rious pollution.
3．He contrasted the two different economic systems (system) in his speech.
4．Many people are aware of the harmful (harm) effects of smoking.
5．Everyone was a bit puzzled (puzzle) by her sudden departure.
感恩资助
6．Sudan came into existence (exist) at the end of the 1800s.
7．She tapped him gently (gentle) on the shoulder.
8．The prent (prence) situation cannot be allowed to continue.
Ⅱ. Complete the following ntences.
1．There_exist_many_plants (有许多工厂) along the river.(exist)
2．Some of them have done_great_harm_to (对……有很大危害) the environment.(harm)
3. Hearing that some measures had been taken in time to_prevent_the_pollution_from_getting_
bad_to_wor (阻止污染的进一步恶化), they all cheered up.(prevent)
4．There_is_a_chance_that (有可能) the plants will be moved next year.(chance)
5．Now_that_everyone_agrees_to_the_plan (既然大家都同意这项计划), let's start for Shanghai next weekend.(now that)
6．The new bridge is three_times_the_width_of (三倍宽) that one built last year.(width)
