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人教版|必修2Unit3知识点详解,最好同步资料,没有之一!

 昵称49797133 2017-11-19


Unit3 Computers

Ⅰ.常考单词必背

1.simplifyv t.简化

Try to simplify your explanation for the children.

设法让你的解释简易一些,让孩子们能听懂。

[快速闪记]

simplified adj.简化的

simplification n.简化

2.sumn.总数;算术题;金额v.合计

In sum,the course is clear.

总而言之,这个过程是清晰的。

[快速闪记]

in sum总之,总而言之

sum up概括;合计

sum up to总计为

3.intelligencen.智力;聪明;智能

Computer scientists studyartificialintelligence.

计算机科研人员研究人工智能。

[快速闪记]

intelligent adj.智能的;聪明的

4.solvev t.解决;解答

Can you help me to solve this maths question?

你能帮我解答这个数学问题吗?

[快速闪记]

(1) solve/settle/dealwith problems解决问题

(2) solution n.解决,解答

5.totaladj.总的;整个的n.总数;合计

In total,they spent 420 hours on the project.

他们在这项工程上总共花了420个小时。

[快速闪记]

totally ad v.完全地;整个地

6.applicationn.应用;用途;申请

There were more than 300 applications for the six jobs.

有300多人申请这6份工作。

[快速闪记]

apply v.应用,运用,申请,请求

7.explorev t.&v i.探索;探测;探究

The scientists are exploring all possible ways to improve food production.

科学家们正在探究所有可能提高食品产量的方法。

[快速闪记]

exploration n.探索

explorer n.探险者

8.anyhowad v.(也作anyway)无论如何;即使如此

The fog was heavy that day, but anyhow he drove away.

那天的雾很大,但是即使如此他还是开车离开了。

[快速闪记]

somehow ad v.不知怎么地;以某种方式

somewhat ad v.稍微;有点

9.goaln.目标;目的;球门;(进球)得分

To become an excellent director is her life goal.

成为一名优秀的导演是她的人生目标。

[快速闪记]

life goal/one's goal in life人生目标

set a goal设定一个目标

achieve/realize one's goal实现目标

10.signalv i.&v t.发信号n.信号

He signaled the waiter to bring the menu.

他做手势要侍者拿菜单来。

[快速闪记]

signal (to) sb (to do sth)向……发出(做……)的信号,示意(某人)做某事

signal to do用信号指示做……

signal (sb) that示意……

Ⅱ.高频短语必会

1.from...on从……时起

From now on,we should pay more attention to protecting the environment.

从现在起,我们应该更加注意保护环境。

[快速闪记]

from then on从那时起

from now on从今以后

from that day on从那天起

2.as a result结果,单独使用,作连接性状语,起承上启下的作用。

He didn't work hard; as a result he failed the exam.

他学习不努力,结果考试不及格。

[快速闪记]

as a result of表示“由于……的原因,作为……的结果,”后接名词或代词,在句中常用来引导原因状语。

3.so...that...如此……以至于……

Shewas so strong that she could lift the heavy box.

她很强壮,能够拎起这个沉重的盒子。

[快速闪记]

so+形容词/副词+that...如此……以至于……

so+形容词+不定冠词+名词单数+that...如此……以至于……

so+much/little+不可数名词+that...如此多/少……以至于……

so+many/few+可数名词复数+that...如此多/少……以至于……

4.in a way(=in one way/in some way)在某种程度上

[快速闪记]

in this way用这种方法

in the/sb's way挡路,妨碍

in no way决不(置于句首,句子要倒装)

5.with the help of在……的帮助下

With the help of my teachers,I have made great progress.

在老师们的帮助下,我已取得很大成就。

6.deal with对付,应付;处理,安排;论及,涉及;与……交流,交易

You should deal with him more politely.

你应该待他更客气一些。

[快速闪记]

deal with中的deal为不及物动词,常与疑问词how连用,表示“怎么处理/对待”;同义短语为do with,其中的do为及物动词,表示“怎么处理/对待”时,与疑问词what连用。

Ⅲ.写作句式必学

1....it took nearly two hundred years beforeIwas built as an analytical machine by Charles Babbage.

大约两百年后,查尔斯·巴比奇才把我制成了一台分析机。

2.As time went by,I was made smaller.

随着时间的推移,我被做得更小了。

3.Anyhow,my goal is to providehumans with a life of high quality.

不管怎样,我的目标是给人类提供高质量的生活。

4.By the timeIwas sixteen,my dream had come true.

到我16岁时,我的梦想已经成为现实。

5.She programs us with all the possible movesshehas seenwhile watchinghuman games.

她把观看人类比赛时所看到的一切可能动作编入我们的程序。

6.Although I was youngIcould simplify difficult sums.

尽管我很年轻,但我能简化一些复杂的数额。

Ⅳ.短文语法填空,然后背诵短文,熟记本单元的重点词汇。

Computers

Thegoalof earlycalculatingmachines was __1__(simplify) difficultsums.Butwith the help ofnewtechnologyelectronic chipsreplacedtubesand arevolutionofartificial__2__(intelligent) hasarisen.Fromthenon,theappearanceof computerstotally__3__(change) our lives.They can not onlydownloadinformation from thenetwhen __4__(connect) by thenetworkormobilephonesignals,but alsosolvedifferenttypesoflogicalproblems.Withoperatorsas their __5__(coach),they can even controlrocketstoexplorethe moon and instructandroidswith thehuman race'scharacterstomopfloors andwatch over__6__(you)naughty niece.Anyhow,computers aresohelpful __7__ they do bringhappiness.

However,computers are easily attacked byviruses.Thisrealityhas become a problem that is hard todealwith.__8__aresult,computersare dangerousin__9__way.So,__10__(personal),I worry about theiruniversal applicationsin some fields,such asfinance.

答案:

1. tosimplify2. intelligence 3. changed 4. connected

5.coaches 6. your 7. that 8. As 9. a 10. personally


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