Unit 4 Astronomy：The science of the stars1.as conj.随着，当……的时候●用法拓展(1)prep. 译为：________(2)adv. 译为：______ (3)conj.引导时间状语从句, 译为：__________ (4)conj.引导原因状语从句，译为：__________ (5)conj.引导让步状语从句，译为：_________(6)conj.引导方式状语从句，译为：__________ (7)关系代词，引导_______从句①As he grew older he lost interest in everything except gardening.②We had better treat it as a joke.③She is as tall as her mother.④As I am going to repair my bike, I need a hammer.⑤Intelligent as you are, I suspect you will fail.⑥Cyprus, as you know, is an island in the Mediterranean●特别提醒表示“随着……”时，也可以用with短语(with复合结构)。
①As the wealth of the country increases, more waste will be produced.②With the wealth of the country increasing, more waste will be produced.单项填空①The Beatles, ________ many of you are old enough to remember, came from Liverpool.A．what B．that C．how D．as②China is to have more giant pandas, ___ 13 female pandas are expecting babies this year.A．so B．if C．though D．as③____children get older, they become more and more interested in the things around them.A．While B．When C．As D．With④I couldn't do my homework with all that noise ________.A．going on B．goes on C．went on D．to go on2. methodn. 方法He has introduced a new method of teaching.他引进了一种新的教学方法。
What is the most effective method of birth control?控制出生率的最有效的方法是什么？联想拓展with this method= by this means=in this way用这种方法易混辨析method/meansmethod侧重“理论方法”，指做某事的具体步骤或程序。
a new teaching method一种新的教学方法means（单复数同形）侧重“通过手段”或“利用工具”去达到某种目的。
高手过招选词填空(method/means)（原创）①The quickest of travel is by plane.②She has a very scientific of dealing with political problems.答案：①means②method3. harmfuladj. 有害的常用结构:do sb. harm/do harm to sb. 对某人有害be harmful toSmoking is harmful to your health.高手过招单项填空He is a nice dog. He won’t do you any .（原创）A.illB. biteC. hurtD. harm解析:选D。
考查固定搭配。
do sb. harm/do harm to sb. 表示“对某人有害”。
句意为：这是一条温顺的狗，它不会伤害你。
故选D。
4. massn. 质量；团；块；大量；(前加the) 群众A liter of gas has less mass than a liter of water.1公升气体的质量少于1公升水的质量。
She has a mass of things to do.她有一大堆的事情要做。
The masses have boundless creative power.人民群众有无限的创造力。
常用结构:masses of sth.大量的东西5. pullv. 拉，拖，拔；移动n.拉，拖；牵(引)力You push and I ll pull. 你来推，我来拉。
I felt a pull at my sleeve and turned round.我觉得有人扯我的袖子，便转过身来。
常用结构:pull (sb.) back（使某人）退却；撤回（某人）pull off (sth.)（指机动车辆）驶离（道路至路侧停车处停下）pull out (sth.) 拉掉；使分离；掏出；驶离（车站）pull on 穿，戴上（袜子、手套等）pull together 同心协力；通力合作高手过招用pull相关短语的适当形式填空（原创）①I arrived as the last train was .②He a gun and aimed at the criminal.③So long as we , there’s no mountain top we can’t conquer.答案：①pulling out②pulled out③pull together6. cheervt. & vi. (使)高兴、振奋；(对)欢呼The crowd cheered loudly as the Queen appeared.女王出现时群众高声欢呼。
He was greatly cheered by the news.他听到这个消息非常高兴。
常用结构:cheer sb. on为某人加油cheer (sb.) up（使某人）更高兴；（使）振奋起来联想拓展cheerful adj.高兴的cheerless adj.不高兴的；阴冷的高手过招用cheer相关短语的适当形式填空（原创）①Your visit has greatly him up.②The crowd the runners as they started the last lap.③You look as though you need up.答案：①cheered②cheered; on③cheering7. puzzlevt.&vi.（使）迷惑；（使）苦思n.迷；难题puzzled adj. 无法了解的；困惑的puzzling adj. 令人费解的Her reply puzzled me.她的回答把我弄糊涂了。
Their reason for doing it is still a puzzle to me.他们为什么要那样做此事我仍感到莫名其妙。
常用结构：sb. be puzzled by sth.某人对……感到迷惑puzzle about/over sth.对某事感到迷惑solve a puzzle解决一个难题高手过招用puzzle的适当形式填空①To explain the findings, he offers two theories.②I that I haven’t heard from Liz for so long.③She listened with a expression on her face.④No one has yet succeeded in explaining the of how life began.答案：①puzzling②am puzzled③puzzled④puzzle8. existvi. 存在，生存existence n. 存在Does life exist on Mars?I can hardly exist on the wage I’m getting.我靠自己挣的工资简直难以糊口。
常用结构：exist+prep. 存在于某地方exist on sth. 靠某物生存高手过招用exist相关短语的适当形式填空①This plant only Australia.②Can you such a low salary?③I doubt the of alien.答案：①exists; in②exist on③existence重点短语9. in time意为“及时”时相当于early enough, soon enough;意为“终于，早晚”时相当于sooner or later。
We got to the station just in time to catch the bus.=We got to the station just in time for the bus.The doctor came in time to save her life.You ll succeed in time if you keep on working hard.联想拓展be in time for sth./be in time to do sth.对于某事是及时的/及时做某事ahead of time提前；提早all the time一直；始终at one time曾经；一度at a time一次at times 有时at the same time同时；然而；可是from time to time不时；偶尔in no time立刻；马上take one s time不急，慢慢来高手过招单项填空—I was disappointed in time when I didn’t pass the examinations.—Don’t be so discouraged. You’ll be successful intime. (2009·12·河南平顶山检测)A./; /B. a; aC./; aD. a; /解析:选D。
句意为：——我没通过考试那段时间我很失望。