Learning about Language优秀公开课教案

Unit 3 Computers

Learning about Language

Ⅰ

重点词汇

1. sum

n. 金额; 款项; 总数; 总和

【典例】

1). He was fined the sum of 200. 他被处以200英镑罚金。

2). The sum of 5 and 3 is 8. 5加3的和是8。

【拓展】sum vt.& vi.总计；总结，概括；归纳

in sum简言之; 总而言之

sum sb/sth up形成对某人[某事物]的看法

【运用】

中译英

1). 总之, 计划告吹了。

_______________________________________________ 2). 我认为她是个很能干的经理。

________________________________________________ 2. advantage n.优点；优势；有利条件

【典例】

1). He has the advantage of a steady job. 他有工作稳定的有利条件。

2). They took full advantage of the hotel's facilities. 他们充分利用旅馆的设备。

【拓展】反义词disadvantage n. 不利，劣势，短处；损失

take advantage of 对……加以利用；欺骗

to sb.’s advantage 对某人有利

have /get/win an advantage over （of）胜过；优于

【运用】中译英

1).协议对我们有利。

_______________________________________________ 2).她利用了我的慷慨。

________________________________________________ 3. goal n. 球门；进球得的分；目标

【典例】

1). He headed the ball into an open goal. 他乘虚把球顶入球门

2). We won by three goals to one 以三比一获胜。

3). You’d better set a goal before you start. 开始前最好设定一个目标。

【拓展】

score/kick a goal 得[踢进一球得]一分

keep goal守球门

life goal/ one’s goal in life生活目标

achieve / realize one’s goal实现目标

【运用】

中译英

1).他已经实现了他的目标。

______________________________________________ 2).我的人生目标是帮助他人。

_____________________________________________

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4. signal n. 信号, 手势, 声音, 暗号

【典例】

1). A red light is usually a signal for/of danger. 红灯通常是危险的信号。

2). He signaled (to) the waiter to bring the menu. 他示意要服务员把菜单拿来。

【拓展】signal v. 发信号; 用信号传达; 用信号与……通讯

signal to sb/sth for sth

用信号传达（某信息）; 用信号与（某人）通讯

signal with…用……发信号

【运用】

中译英

1).铁路红灯亮了, 所以火车停下了。

_____________________________________________________ 2).他用红旗发信号。

______________________________________________________ 5. arise vi. 出现；

发生

【典例】

1). A new difficulty has arisen.出现了新的困难。

2). Accidents arise from carelessness.疏忽大意往往会引起事故的发生。

【拓展】⑴过去式和过去分词分别为：arose,arisen. arise from /out of由……引起；由……产生

⑵rise vi. 升起raise vt.举起，饲养

【运用】

中译英

1). 夜间起风暴了。

_____________________________________________________________ 2). 由于缺乏交流而产生了问题。

_____________________________________________________________

Ⅱ

重点词组

1. in common 共同的；共有的；共用的

【典例】

I have nothing in common with Jane. 我和简毫无共同之处。

【拓展】

have nothing in common 无共同之处

have little in common 几乎无共同之处

have something in common 有一些共同之处

have a lot in common 有许多共同之处

【运用】中译英

1). 这个词常用吗? ________________________________________________ 2). 她已和许多人一起申请参加训练。

_________________________________________________ 2. in a way 在某种程度上, 从某种意义上说

【典例】In a way, his English has improved. 从某种程度上来说, 他的英语有进步。

【拓展】与in a way同义的词组有in one way 和in some way. in the way

造成阻碍

on the/one’s way (to)

在(去…)的路上

by the way

顺便提一下

in no way

决不

all the way

自始自终;完全地

in this way

用这种方法

【运用】中译英

1). 从某种程度上说, 我很喜欢这本新教材。

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____________________________________________ 2). 看来你的自行车挡着道了。

___________________________________________ 3. watch over 看守; 监视; 照看

【典例】

1). Could you watch (over) my clothes while I have a swim? 我游泳时你看着我的衣物行吗? 2). He felt that God was watching over him. 他感觉到上帝保佑着他.

【拓展】watch out (for)

当心; 注意

watch for sb./sth.

观察等待

keep a watch on

监视

under the close watch

在严密的监视下

【运用】中译英

1). 他们等待着进一步的发展。

____________________________________________ 2). 小心! 汽车来了。

___________________________________________ 4. make up 化妆；化装；捏造，虚构（故事，诗等）

【典例】

1). She spent an hour making (herself) up before the party. 她在聚会前化妆用了一个小时。

2). Stop making things up! 不要胡编了! 【拓展】make-up n. n. 化妆品，组成，体格，性格，【美】补考，【印】排版

make up for补偿

be made up of = consist of由……组成

make for有利于……，有助于……；走向；冲向

make it及时赶到，办成功

make it up和解；讲和

make known使知晓；传达

make out理解；懂得；辨认出

【运用】

中译英

1).社会是由能力迥异的人组成的。_______________________ 2).她总是浓妆艳抹的。_________________________________ Ⅲ

重点句子

1.

By the1940s工had grown as large as a room, and I wondered if I would grow any larger! 到20世纪40年代，我已经长到一个大房间那么大，我不知道我会不会继续长大。

【解释】

1). as large as．．．“有……大”，后面常加数词．例如：

This playground is as large as 500squaremeters．

这个操场有500平方米那么大。

【拓展】as+形容词+as“有…大（长、宽等）”的意思。再如：as long as有…长as wide as有…宽。

【解释】2). I wondered if．．“我不知道(奇怪)是否……”，是一个常见句式，常用于口语，表示一种委婉或客气的语气。例如：

I wondered if you would mind giving me a hand. 【拓展】I wonder if…相当于I wonder whether…其中I wonder=I don’t know ,I have

no idea . 【运用】中译英

1). 我也不知道他们能不能准时到。

_________________________________________________ 2). 那个男子的体重比他重一倍。

_______________________________________________

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2. However，this reality also worried my designers．可是这个现实也困扰着我的设计者们。

【解释】

however adv．尽管；尽管如此，可是；仍然。表示转折；可放在句首、句中或句尾，但用逗号隔开。例如：

I meant to go abroad last year. However, I changed my mind later. 我本打算去年出国，但是后来改变了主意。

【拓展】1. 用作副词

(1) 表示让步：意为“无论如何”“不管怎样”，用来修饰形容词或副词，其词序为：however+形容词或副词+主语+谓语。这样用的however其实具有连词的功能，用以引导让步状语从句。(2) 表示转折：尤其用于谈及一个既成事实时，表示转折，其意为“可是”“仍然”等。可放在句首、句中或句末，通常用逗号与句子其他成分隔开。(3) 表示惊奇或强调：相当于how ever的用法，其意为“究竟怎样，到底以什么方式”。

2. 用作连词

引导方式状语从句，表示“无论以何种方式”“不管怎样”。

However it may be, I shall take your word. 无论如何，我将会相信你的话。

【运用】中译英

1). 她仍然在等，尽管没有任何回音。

________________________________________________ 2). 他说事情就是那样，不过他错了。

_________________________________________________ Ⅳ

课文佳句背诵与仿写

1. 【课本原句】As time went by, I was made smaller. First as a PC (personal computer) and then as a laptop, I have been used in offices and homes since the 1970s.随着时间的推移，我被弄得越来越小。自二十世纪七十年代以来，我一直被用在办公室和家庭里，先是用作个人电脑，后来又做成便携式。

[模仿要点] 句子结构: first…+ then…+ later…. 【模仿1】毕业以后，他先是做一名工人，接着做了一个商店的经理后来做了一个工厂的老板。

____________________________________________________________________________ 【模仿2】从那时开始，他先在一家车厂工作，然后在一家钢厂任工程师，当其时那是一家最大的钢厂，后来又到了一家生产电脑的公司任总裁。

___________________________________________________________________________ 2．【课本原句】I have also been put into robots and used to make mobile phones as well as help with medical operations.我还被放在机器人里面，被用来制作移动手机，并且用来帮助作医疗手术。

[模仿要点] 句子结构: as well as

【模仿1】通过上网，人们可以获得知识和乐趣。

_______________________________________________________________________________ 答案：People can get a lot of fun as well as useful knowledge through the net 【模仿2】随着经济的快速发展，越来越多的家长能够负担得起培训课，从中他们的孩子既可以获得一些技能也可以丰富他们的生活。

______________________________________________________________________________ 课程达标检测2 ㈠从方框中选出合适（适当形式）的词完成句子。

create

move

brain

advantage

anyhow

material

disagree

type

choice

spoil

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1. When the building _________ cost more, the price of houses increases. 2. Her French upbringing give her certain___________ over other students in her class. 3. I don't like her, but if she is the people's _______ I will

obey her. 4. The Bible said the God ________ this world in seven days. 5. we've tried our peaceful persuasion: what's our next ______? 6. I feel sick: that fish _________ with me. 7. it's too late, ________. 8. You need ________ to become a universal professor. 9. That little girl is terribly ____________--- her parents give her everything she asks for. 10. Men of his _______ are not to be trusted. ㈡翻译下列句子

1. 尽管他们是两兄弟，但他们没什么共同之处。

Although they are brothers, they__________ 2. 在某种程度上遵循指示并非易事。

________ following the instructions is not easy. 3. 依我看，他可能会输掉这场比赛。

_______________, he may lose this game. 4. 他的爷爷在20世纪60年代初是个著名的医生。

__________________his grandpa was a famous doctor . 5. 这个软件可以用来合成电影。

This software can be used __________ movies. ㈢选择最佳答案

1. This chair is ___ the way. Move it, please.

A. on

B. in

C. by

D. to 2. ___ the explanation of the book, we can finally understand the passage. A. With the help of

B. Under the help of

C. After the help of

D. By the help of 3. Although they are twins, they don't have much ___.

A. the same as

B. in common

C. in commons

D. much

4. Man-made satellites ___ into space by many countries since 1960. A. have sent up

B. have been sent up

C. has been sent up

D. were sent up 5. While he was ___ about in the street, Mary came up to him.

A. wandering

B. wondering

C. wondered

D. wandered

Grammar

现在完成时的被动语态

1构成：

主动语态

被动语态

现在完成时

have/has done----------have/has been done He has been sent to study the new technology in the company. The dirty clothes have not been washed. Have the windows been cleaned?

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How many shopping centers have been built in this city? 2. 只有及物动词才有被动语态，不及物动词（词组）没有被动语态, 如:happen, take place,

die, appear, disappear, fail, remain, lie, last, sit ,stand, break out, come true, belong to等．如：

What has happened to your brother? 3．但许多不及物动词加介词或副词构成的短语动词，相当于及物动词，也可以有被动语态。

但短语动词是一个不可分割的整体，变为被动语态时，不可丢掉构成短语的介词或副词。如：

The child has been taken good care of by Grandma Wang all these years. A notice has been put up on the wall Practice

实战演练

ⅠChange the following sentences into the present passive voice. 1.

My friend has bought a new personal computer. 2.

The shop has repaired my computer very quickly. 3.

An unknown virus has just attacked my computer. 4.

We have not solved the problem yet. 5.

The company has given its computers away to a local school. 6.

The scientists have developed a kind of intelligent robot. Suggested answers: ⅡChoose the best answer. 1.（2009全国I）His sister left home in 1998, and _______since. A. has not been heard of B. has not been heard of

C. had not heard of D. has not heard of

2.（2009福建）— Why does the Lake smell terrible? — Because large quantities of water .

A. have polluted B. is being polluted C. has been polluted D. have been polluted 3.----- I can’t see any coffee in this cupboard. (北京2005春)

------_________________________________? A. Has it all been finished

B. Was it all finished C. Has it all finished

D. Did it all finish 4. Millions of pounds’ worth of damage__________ by a storm which swept

across the north of England last night.(重庆

2005) A. has been caused B. had been caused C. will be caused D. will have been caused 5. More patients in hospital___________ this year than last year. (江苏

2004) A. treated B. have treated

C. had been treated D. have been treated 6. —The window is dirty. —I know. It ________for weeks.(2004全国卷Ⅲ) A. hasn’t cleaned B. didn’t clean C. wasn’t cleaned D. hasn’t been cleaned Ⅲ

短文填空：用所给出的动词的正确形式填空。

Our desks and chairs are made of wood. The paper for books and newspapers ____⑴___(make) from wood, too. Even some kinds of cloth __⑵____(make) from it. Many people burn

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wood to keep themselves warm in winter. Indeed, wood is very important in our daily life.

Where does wood come from? It __⑶__(take) from trees which grow in the mountains. Do you know how it gets to us from the mountains?

First of all, trees ___⑷__(cut) down when they grow big enough. After their branches _____⑸____(cut)off, the logs(原木) ____⑹_(make). These heavy logs will be put together in different ways and taken down to the foot of the mountains. Some of them ____⑺___(float) down the small rivers and others __⑻____(carry) down on trains.

Big trees __⑼____(cut) down in the mountains every year. Then young ones must be planted so that we can always have enough wood . We have to take good care of mountains so that they may always ___⑽___(cover) with growing trees.

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