Learning about Language精品学案

教学设计

必修二

第三单元

电脑

一

复习内容

本节课要学的内容必修二

第三单元(4课时)

指的是电脑

教学的重点是本单元的单词及句式.本课计划用四节课进行复习,其中复习三节,作业及讲解一节.

二

复习目标

记住

会用

理解1.home-made adj.

家庭制作的，

自制的

2.material n.

物质；材料

3.credit n.

信用

4.e-mail n.

电子邮件

5.salesman n.

售货员

6.recreation n.

消遣

7.exchange v.

交换

8.customer n.

顾客，消费者

9.change n.

零钱

10.expensive/dear adj.

昂贵的

11.valuable adj.

贵重的

12.various adj.

各种各样的

13.bargain n.

讨价还价；

便宜货

14.as for

至于，对于

15.instead of

而不是

16.shop online

网上购物

17.on sale

上市；出售

18.pick out

挑选出

[来源学科网ZXXK]1.On one hand, shopping online makes shopping a lot easier and more convenient.On the other hand, paying online has risks.一方面，网上购物使购物更简单、更方便；但另一方面，网上付款又有风险。

2.As far as I’m concerned, it’s better to do shopping in real stores because we can try the clothes on. 就我而言，去实体商店购物更好，因为我们可以试穿衣服。

3.Since shopping online is much cheaper, I prefer

shopping online to shopping in real shops.因为网上购物更便宜，所以我喜欢网上购物胜过去实体商店购物。

三

教学难点1.On one hand, shopping online makes shopping a lot easier and more convenient.On the other hand, paying online has risks.一方面，网上购物使购物更简单、更方便；但另一方面，网上付款又有风险。

2.As far as I’m concerned, it’s better to do shopping in real stores because we can try the clothes on. 就我而言，去实体商店购物更好，因为我们可以试穿衣服。

3.Since shopping online is much cheaper, I prefer shopping online to shopping in real shops.因为网上购物更便宜，所以我喜欢网上购物胜过去实体商店购物。

五

教学过程

第一部分

自学

根据音标及词义写出英文单词。

1．tube[tjuːb] n．

管；管子；电子管

2．rocket['rɒkIt] n.

火箭

3．goal[ɡəʊl] n.

目标；(进球)得分

4．character['kærəktə] n.

性格；特点

5．coach[kəʊtʃ] n.

教练

6．virus['vaIərəs] n.

病毒

7．network['netwɜːk] n.

网络；网状物

8．niece[niːs] n.

侄女；甥女

9．download[daʊn'ləʊd] vt.

下载

10．arise[ə'raIz] vi.

出现；发生

11．universal[ˌjuːnI'vɜːsl] adj.

普遍的

12．mobile['məʊbaIl] adj.

可移动的

13．anyhow['enIhaʊ] adv.

无论如何

14．total['təʊtl] adj.

总的

n.

总数

15．signal['sIɡnəl] vi.& vt.

发信号

n.

信号

Ⅱ.单词拓展

写出下列单词及其派生词。

1．simple adj.

简单的

simply adv.

简单地

simplify vt.

简化

simplification n.

简单化

2．operate v.

操作；运转；动手术

operation n.

操作；运转；手术

operator n.

(电脑)操作员；接线员

3．technology n.

工艺；科技；技术

technological adj.

技术的

4．real adj.

真实的

really adv.

真正地；事实上

reality n.

事实；真实

realize v.

实现；意识到

5．person n.

人

personal adj.

私人的；个人的

personally adv.

就个人而言；亲自

[来源学+科+网Z+X+X+K]1 复习导入Ⅰ.单词拼写

6．appear vi.

出现；显得

disappear vi.

消失

appearance n.

外观；外貌；出现

disappearance n.

消失

1．from...on

从……时起

2．as_a_result

结果

3．so...that...

如此……以至于……

4．in_a_way

在某种程度上

5．with_the_help_of

在……的帮助下

6．deal_with

处理；安排；对付

7．watch_over

看守；监视

8．in_common

共有；共用

9．make_up

弥补

10．after_all 毕竟

2

提出并明确本节课（或课本章节）学习目标、点击高考

1．before引导时间状语从句，“……之后才……”

2．I wondered if...“我想知道是否……”

3．as引导时间状语从句，“随着”

4．so...that...引导结果状语从句，“如此……以至于……”

5．be to do结构

[来源学科网ZXXK]

3

自学新课内容，思考以下问题，拟出答题要点，相互检查交流，基本理清本内容

1．before引导时间状语从句，“……之后才……”

I developed very slowly and it took nearly two hundred years before

I was built as an analytical machine by Charles Babbage. [仿写]

不久公交车就来了。

________________________________________________________________________ 2．I wondered if...“我想知道是否……”

By the 1940s I had grown as large as a room，and I wondered if I would grow any larger. [仿写]

我想知道学校是否能够在周围放置更多的垃圾箱。

________________more dustbins around. 3．as引导时间状语从句，“随着”

As time went by，I was made smaller. [仿写]

随着科学技术的迅速发展，谁能预测到将来会有什么样的发明？

____________________，who can predict what inventions there will be in the future? 4．so...that...引导结果状语从句，“如此……以至于……”

Over time my memory has developed so much that，like an elephant，I never forget anything I have been told! [仿写]

他如此费力地想把面条夹起来以至于他满头大汗。

He is trying ____________________he is sweating a lot. [来源:学,科,网]

5．be to do结构

Anyhow，my goal is to provide humans with a life of high quality. [仿写]

她的建议将会影响(influence v．)他们的决定。

Her advice ________________．

答案：1.It was not long before the bus came. 2．I wonder if the school could place 3．As science and technology develops rapidly 4．so hard to pick up the noodles that 5．is to influence their decision

阅读下面课文缩写材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

The history of computer 1.____________(begin) in 1642 in France.It was first built only as a 2.____________(calculate) machine，and later as an Analytical Machine that could “think”

3.____________(logic)and produce

an answer quicker than any person.Still 4.____________(late)，the “universal machine”

is built 5.____________(solve)mathematical problem，6.____________ made computer huge! 7.____________ the years have gone by，computer has been made smaller，quicker and cleverer.Later，computers 8.____________(connect) by network and brought 9.____________ common people’s homes to deal with information and help communication between people around the world.Since its birth，computer has always been designed 10.____________(serve) the human race. 答案：1.began

2.calculating

3.logically

4.later 5．to solve

6.which

7.As

8.were connected 9．into

10.to serve

[学生用书P54～P58]

totally

adv.

完全地，整个地

(教材P18)As a result I totally changed my shape. 结果，我彻底改变了形状。

a total failure

完全失败

a total of...

总共……

in total

加起来

①I totally agree with what Susan Beacham says about the best present.我完全同意Susan Beacham说的什么是最好的礼物。

②How much do you have to pay in total if four of you go together?

如果你们四个一起去的话你总共需要支付多少钱？

③He has been living here for a_total_of 30 years.他已经在这儿生活了三十年。

【活用】——句型转换

There were probably 30 people attending this conference in all.

→There were probably ________ ________ ________ 30 people attending this conference.

→There were probably 30 people attending this conference ________ ________．

答案：a total of；in total

arise

vi.出现；发生；起身，起床

(教材P23)Then she prepares reliable moves to use if a new situation arises.

接着她准备好了可行的步骤来应对新情况的出现。

(1)作“呈现；出现；发生”之意时，主语多为以下名词：argument/situation/division/anger/tension/trouble等。

(2)arise from (＝result from)/ out of由……而引起；从……中产生

①Seeing his mother return home，the boy arose from his chair immediately. 看到妈妈回家了，小男孩立刻从椅子上站起来。

②It can’t be too careful while driving.Accidents often arise/result_from carelessness.开车时越仔细越好，事故往往是由疏忽大意而引起的。

[易混辨析] arise，rise，raise，arouse

原形

arise(vi.)出现，发生，起因于

rise(vi.)升起，起身，增长，上升

raise(vt.)举起，唤起，提高，饲养

arouse(vt.)唤醒，激起

过去式

arose rose raised aroused 过去分词

arisen risen raised aroused v.­ing

arising

rising raising

arousing

【活用】——用raise，rise，arise的适当形式完成下面小片段

When they (1)________ the price，a new problem (2)________．Many workers demanded a (3)________ in salary.

当他们提高价格的时候，一个新的问题也产生了。很多工人要求增加工资。

答案：(1)raised

(2)arose

(3)rise

signal

vi.& vt.

发信号

n.

信号

(教材P23)For example，I have learned to signal to my teammates in computer language to give me the ball when I am open and have a good shot for a goal.

例如，当我启动的时候，我可以用计算机语言向队友示意把球传给我，这样可以有一个漂亮的射门。

(1)a danger/warning signal

危险/警告信号

traffic signals

交通信号灯

(2)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……

①(2015·高考湖北卷·单项填空)In order not to be heard，she pointed her finger upwards to signal that someone was moving about upstairs. 为了不让别人听到自己的声音，她竖起手指示意有人正在楼上走动。

②The police signalled_the_driver_to_stop his car by raising his hand. 警察举手示意司机停车。

③When all the instruments had been checked out，the pilot signalled that he was ready for take-off.所有仪表都检查过之后，驾驶员发出起飞准备就绪的信号。

【温馨提示】

mark 标记，symbol象征，sign标记，记号，symptom症状。

in a way

从某一角度看；在某种程度上

(教材P23)In a way our programmer is like our coach.

从某种程度上讲，我们的程序员就好比是我们的教练。

all the way

一路上；自始至终；

完全

by the way

顺便说

in no way

一点也不；决不

in the way

挡道；碍事

in this way

用这种方法

No way!

[俚]别想！没门！

on one’s way/the way to

在……路上

①(朗文)In a way，I’m a little surprised he accepted the offer.从某种意义上讲，他接受了这个报价让我觉得有点儿惊讶。

②In_this_way，I can not only work it out but also improve my ability to overcome problems all by myself.用这种方法，我不但解决了问题而且提高了独立克服困难的能力。

③Teaching in school can in no way be separated from practice.学校教学绝不能脱离实践。

④Don’t stand in_the_way.Move aside and let me pass.不要挡着路，靠边点让我过去。

as a result

结果

(教材P18)As a result I totally changed my shape. 结果，我彻底改变了形状。

Our cells wear out，and as a result，we get old and eventually die.我们的细胞衰竭，结果，我们会变老最终死去。

[易混辨析]

as a result，as a result of，result in，result from

as a result

as a result of

result in

result from

意为“因此，结果”，副词短语，常作状语，使用时其前常有一个表示原因的句子。

介词短语，只能连接名词/代词/动名词及what引导的宾语从句。

相当于lead to，意为“结果为……；导致”，主语是原因，宾语是结果。

相当于lie in，意为“因为，源自”，主语是结果，宾语是原因。

【活用】——用上述词语的适当形式填空

(1)________________ the car accident，Jackson couldn’t work any longer.

(2)As far as I know，his carelessness ________________ his failure.

(3)As far as I know，his failure________________his carelessness.

(4)She was over the age limit and ____________________，her application for the job was rejected.

答案：(1)As a result of

(2)resulted in

(3)resulted from

(4)as a result

deal with

处理；安排；对付

(教材P24)This means that it should clean the house，mop the floors，cook the dinner and deal with telephone calls.

这就意味着它应该打扫房子、拖地、做饭以及接电话。

【活用】——写出下列句中deal with的含义

(1)We may have various ways to deal with such a situation.____________ (2)On the contrary，I found her quite hard to deal with.____________ (3)His article deals with many issues we are greatly concerned about.____________

(4)His work experience equipped him to deal with all kinds of people.____________ 答案：(1)处理

(2)相处

(3)涉及

(4)与……打交道

【温馨提示】

deal with常与how连用，而do with则常与what连用。

I don’t know how they will deal_with the problem.

＝I don’t know what they will do_with the problem.

我不知道他们将如何处理这个问题。

watch over

看守；监视；照看

(教材P24)It should also watch over my naughty niece，who comes to my house very often. 它还要照看我淘气的侄女，她常到我家来。

(1)watch out

小心；留神；注意(用于

提醒、警示)

watch out for

提防；当心；注视寻找

(2)keep watch

站岗；守夜

be on the watch (for)

提防；警惕；留心

①Some engineers are appointed to watch over the project.一些工程师被任命来监理这项工程。

②Watch out for cars when you cross the road. 过马路时当心车辆。

③The mother had_been_watching_over her sick baby most of the time last night.这位妈妈昨天晚上大部分时间一直照看着生病的孩子。