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Unit3 Computers
必修2
Unit
3
晨读启航
基础梳理
重点突破
语法专练
单词积累
单词巩固
短语接力
短语巩固
句型荟萃
句型巩固
备课优选
应试技巧
晨读启航
基础梳理
1.    vt. 计算
    n. 计算
  n. 计算器
2.    vt. 简化
    adj. 简单的
   adv. 简单地
一、 单词回顾
calculate
calculation
calculator
simple
simply
simplify
基础梳理
3.   n. (电脑)操作员;接线员
     vt. & vi. 运转;操作;经营;开刀
    n. 运转;操作;经营;手术
4.   n. 工艺;科技;技术
    adj. 科技的
   n. 技巧
    n. 技术专家
   n. 技师
operator
operate
operation
technology
technological
technique
technologist
technician
基础梳理
5.    n. 革命
  adj. 革命的
n. 革命者
6.   n. 智力;聪明;智能
    adj. 智能的;聪明的
  adv. 聪明地
7.   vt. 解决;解答
  n. 答案;解决办法
revolution
revolutionary
intelligence
intelligent
intelligently
solve
solution
基础梳理
8.     n. 真实;事实;现实
adj. 真实的
  adv. 真实地;真正地
9.   adj. 私人的;个人的;亲自的
   adv. 就个人而言;亲自    
   n. 人格;个性
  vt. 使个性化
reality
real
really
personal
personally
personalize
personality
基础梳理
10.     adj. 总的;整个的
n. 总数;合计
adv. 完全地;整个地
11.   n. 应用;用途;申请
   vt. & vi. 应用;实施;申请
12.     vt. & vi. 探索;探测;探究
    n. 探索;探测;探究
total
exploration
totally
application
apply
explore
基础梳理
13.     vi. & vt. 发信号
n. 信号
14.    n. 类型
vt. & vi. 打字
  n. 打字员
     n. 打字机
15.    adj. 电子的
    adj. 电的
     adj. 有关电的
signal
electronic
type
electric
typist
typewriter
electrical
基础梳理
16.  n. 性格;特点
    n. 特征;特性
character
characteristic
二、 短语互译
1. 从……时起   from... on 
2. 结果   as a result 
3. 时光流逝   go by 
4. 在某种程度上   in a way  
5. 弥补;化妆;编造   make up 
6. 和……有共同之处  have something in common
二、 短语互译
7. after all   毕竟 
8. with the help of  在……的帮助下 
9. deal with   处理;安排;对付 
10. watch over   看守;监视 
11. what‘s more   而且;除此之外 
12. provide sb. with sth. 给某人提供某物
三、 句型精析
提炼1:it took...before结构
I developed very slowly and _____ _____ nearly two hundred years _______ I was built as an analytical machine by Charles Babbage.
我发育缓慢,差不多到了两百年之后,查尔斯•巴比奇才把我制成了一台分析机。
it
took
before
三、 句型精析
提炼2: as引导时间状语从句
 ______ time went by, I was made smaller. 随着时间的推移,我被做得越来越小。
As
三、 句型精析
提炼3:so that句型
Over time my memory has developed _____
______ _____, like an elephant, I never forget anything I have been told! 随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情!
so
much
that
三、 句型精析
提炼4: with的复合结构
Anyhow, my goal is to provide humans with a life _____ ______ ______ .
不管怎样,我的目的是为人类提供高质量的生活。
of
quality
high
重点突破
单词积累
1.anyhow  adv.   无论如何;即使如此
重点突破
重点突破
(2013江西, 24)What a terrible experience!_______, you're safe now—that's the main thing.
A. Anyway B. Besides
C. Otherwise D. Therefore
A 考查副词。此处考查表示上下连接关系的副词。anyway意为“不管怎样”;besides意为“此外;而且”;otherwise意为“否则”;therefore意为“因此”;根据句意可知A项正确。


重点突破
单词积累
2.signal vi. & vt. 发信号 n. 信号
signal (to) sb. to do sth. 示意某人做某事
signal to sb. 向某人示意
signal (sb.) that 示意(某人)……
重点突破
Cyclists who give signals before turning or stopping help prevent accidents. (2012广东,完形填空)
骑车者在拐弯或停下来发出信号有助于防止事故发生。
重点突破
重点突破
用signal, symbol, sign, mark填空
(1)A dove is often used as a ________ of peace.
(2)Dark clouds are a ________ of rain or snow.
(3)Make a ______ where you have any doubts.
(4)A red light is a _______ of danger, which is even known to a five­year­old child.
symbol
sign
mark
signal
重点突破
单词积累
3.arise  vi . 出现;起身;起床;上升
重点突破
重点突破
Problems associated with environmental impact have also arisen.
与环境影响相关的问题也已经出现。
重点突破
用rise, raise, arise, arouse的适当形式填空
I ____________ my English level by working hard, which  ________ my interest in English. From this thing, I come to realize that when a problem ________, what matters most is to face it rather than give up.
通过努力学习我已提高了英语水平,这激起了我对英语的兴趣。通过这件事,我意识到当问题出现的时候,最重要的是面对而不是放弃。
have raised
arouses
arises
1. (2013金华十校模考)Many road accidents ________ from careless driving, according to the recent reports from the police.
A. involve B. reduce C. arise D. increase
单词巩固
2. (2013合肥质检)Drive straight ahead, and then you will see a ________to the Hefei­Nanjing Expressway.
A. sign B. mark C. signal D. board
单词巩固
3. I'm certain David's told you his business troubles. ________, it's no secret that he owes a lot of money to the bank. 
A. However B. Anyway 
C. Therefore D. Though
单词巩固
1. in a way  在某种程度上

in the way 挡路;妨碍
in no way 一点也不;决不
by way of 经由;通过……方法
on the way 即将到来
force/push one's way 强行挤出路来
make way for 为……让路
短语接力
(1)In a way, I'm glad you made that mistake, for it will serve as a warning to you.
在某种程度上, 你犯那个错误我感到高兴, 因为它对你也是一种警示。
(2)The stone is ___________ . Remove it please.
石头挡住了道。请把它移走。
in the way
2.as a result 结果
(1)as a result意为“因此,结果”,为副词短语,常 作状语,使用时前面常有一个表示原因的句子。
(2)as a result of为介词短语,相当于because of, 只能接名词、代词、动名词及what引导的宾语从句。
(3)result in相当于lead to,意为“结果为……;导 致”,主语是原因,宾语是结果。
(4)result from相当于lie in,意为“因为……”,主 语是结果,宾语是原因。
短语接力
(1)As a result, the bad thing has been turned into a good one. 结果坏事变成了好事。

(2)The meeting had to be called off ______________the heavy rain  yesterday. 由于大雨昨天会议不得不取消。
as a result of
3.deal with 处理;安排;对付
(1)deal with sb. 对付某人;应付某人
deal with sth. 处理某事
(2)do with 处理;安排;对待;与……有关;(用 于
否定句中)容忍
短语接力
(1)When he started, he assumed that signs of the bends would be rarer in younger fossils, reflecting their gradual evolution of measures to deal with decompression. (2013江苏,阅读理解C)
开始时,他假设弯曲变形的迹象在年轻的化石中会少见,这也反映在针对减压的措施中他们的逐渐进化。
(2)She guessed that the letter_________________________
___________ her husband.
她猜想这封信与她丈夫有关。
在表示“处理”时,deal with常与连接副词how连用,
而do with常与连接代词what连用。
,
had something to do with
4.watch over 看守;监视

watch out (for) 密切注意;戒备;提防
keep (a) watch on 监视
be on the watch for 注意;小心;警惕
on/off watch 在/不在值班
watch one's step 小心地行走;谨慎地做事
短语接力
(1)Mr. Liu found a full­time job as a laborer. His wife took a part­time job and watched over the family's two children.
刘先生找到了一份全职的体力活儿。他的妻子做了一份兼职,并照看两个孩子。
(2)_________________  when you cross the road.
过马路时当心车辆。
Watch out for cars
短语巩固
1. (2013襄阳四中模拟)—I think he is taking an active part in social work.
—I agree with you ________.
A. in the way B. on the way 
C. by the way D. in a way

D 答句句意:某种程度上我与你观点一致。in the way,“挡道”;on the way,“在途中,即将到来”;by the way,“顺便说,顺便问一下”;in a way,“在某种程度上,从某一点上看”。根据句意可知D项正确。
短语巩固
2. —You look so worried. What's the matter?
—I don't know______ these boring problems.
A. what to deal with B. how to do with
C. what can I do with D. how to deal with

D 考查短语用法。deal with通常与how搭配,而do with通常与what搭配。
短语巩固
3. You must always ________ the traffic whenever you are in a crowded city.
A. look out B. watch out for 
C. look at D. watch over

B 考查短语辨析。watch out for是固定搭配,意思是“小心,注意”。look out,“小心”,后接宾语时需接介词for;watch over,“看守,监管”。
句型荟萃
1. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.
我发育缓慢,差不多到了两百年之后,查尔斯•巴比奇才把我制成了一台分析机。
【句型分析】
句型“It+be/takes/...+时间段+before...”意为“过一段时间后才……”。若主句为将来时态,从句用一般现在时态;若主句是一般过去时态或过去完成时态,则从句用一般过去时态。
句型荟萃
It took months before we solved the financial problem of our company.
花了好几个月的时间我们才解决了公司的财务问题。

(2013湖南,23)You must learn to consult your feelings and your reason ________ you reach any decision.
A. although B. before C. because D. unless
B 考查状语从句。句意: 在你做任何决定之前,你得学会顾及到你的感受和你做此决定的原因。可知答案为B项。
句型荟萃
2.Over time my memory has developed so much that, like an elephant, I never forget anything I have been told!
随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情!
【句型分析】
such/so...that...引导结果状语从句,意为“如此……以至于……”。
句型荟萃
(1)so...that...基本句式:
so+adj./adv.+that...
so+adj.+a/an+单数可数名词+that...
so+few/little/many/much+n.+that...
(2)such...that...也可引导结果状语从句:
such+(adj.)+不可数名词+that...
such+(adj.)+复数名词+that...
such+a/an+adj.+单数可数名词+that...
(3)so, such修饰的成分置于句首时,主句常用倒 装语序。
句型荟萃
(4)“so+adj./adv.+that...”句型中,
若结果状语从 句是否定形式,可以转换成“too...to...”结构;
若 结果状语从句是肯定形式,可以转换成“...enough to...”结构。
(5)so that也可引导目的状语从句,从句中常有 can/could/may/might等情态动词,此时so that可用 in order that代替。
句型荟萃
( 1)Finally, I got so tired of it that I decided something had to change.
最后,我对它非常地厌烦以至于我决定要做出一些改变。
(2)It is so interesting a magazine that I can't wait to read it.
= __________________________________ that I can't wait to read it.
= ________________________________________ that I can't wait to read it.
它是如此有趣的一本杂志,我迫不及待地想看。
So interesting a magazine is it
Such an interesting magazine is it
句型巩固
1. (2013江苏苏中三市调研)___________ that even the people in the next room could hear him.
A. So he spoke loudly
B. So he did speak loudly
C. So loudly did he speak
D. So did he speak loudly
解析:C 句意:他说话太大声,连隔壁屋子里的人都听得见。so放在句首加强语气时,主句要用倒装语序。
句型巩固
2. _________ children get older, they become more and more interested in the things around them.
A. While B. When C. As D. With
解析: C as可表示两个同步发展的动作或行为,意为“随着”;while表示一段较长的时间或过程内主从句谓语动作同时发生;when作“当……时候”讲,指较短的一段或点时间;with不能引导从句。
句型巩固
3. Most of the scientists say it may be five or six years _________it is possible to test this medicine on human patients.
A. since B. after C. before D. when
解析: C 考查句式表达。“It+may be+时间段+before...”表示“也许要过多久才……”,故选C。
单元语法专练
【语法概要】本单元主要复习了现在完成时的被动语态。
【典题集训】
1. (2013郑州三模)—Linda, the p

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