时间 课题 M7 Unit1 Reading (2) 授课时数 2 【教学目标】：

1. To understand the passage further.

2. To master the meanings and usages of some key words and phrases.. 【教学重点】：drawback, delay, accessible,distribute

【教学方法】：合作探究法, 语境猜测法 教学过程 一备 短语记背：

1. 不久之后 shortly afterwards

2. 对...作出贡献；促成；给...写稿 contribute to

3. 在......有突破 make a breakthrough in

4. 被推迟到 be delayed until

5. 短期内...... within a short time

6. 彩色的 in color

7. 被现场直播 be broadcast live

8. 从......受益 benefit from

9. 上发条 wind up

10. 一小部分人 a small percentage of people

11．用手工 by hand

12.随着......的发展[学 with the development of

13.跟上......步伐 keep pace with

★单词讲解：

1. drawback n. 缺点，缺陷；不利条件

This is the one major drawback of the new system. 这是新系统的一大弊端。

The main drawback to it is the cost. 它的主要缺点是成本高。

One drawback to living in Nanjing in summer is the heat.

夏天住在南京的一个缺点就是炎热。

［注意］: drawback 带后置定语时可以与介词of或to 搭配。

2. construct vt. 建造；制造；建筑；创建

　　construct a theory/diagram/plan 创立理论；绘制图表；作出规划

　　制造飞机模型： conduct / make a model plane___________

他们用了两年时间建这座桥。It took them two years to construct the bridge.

知识拓展：n. _construction 在建造___under construction______

3. delay （1）vt. & vi. （使）推迟，（使）延迟

The accident delayed the train for two hours. 事故使火车耽搁了两小时。

（2）n. 延误，延迟；延误（或延迟）的时间

My doctor advised me to give up smoking without delay. 我的医生劝我立即戒烟。

　　* delay doing sth 推迟做某事

　　* delay...until... 把......推迟到

　　* without delay（=immediately）立刻，立即

4. accessible adj. 可使用的；可见到的；可到达的；易理解的

be accessible to sb. 某人可以接触/看到......

The remote desert area is accessible only by helicopter.

只有乘直升机才能进入那遥远的荒漠地区。

These documents are not accessible to the public. 公众无法看到这些文件。

［知识拓展］:

access n. 接近，进入；接近的机会,进入的权利；使用；通道，入口，门路

be of easy /hard/ difficult access 容易/难以/接近

have /gain/get access to 接近......，会见......，进入.......，使用......

The only access to their house is along that narrow road.

只有沿着那条狭窄的路走才能到达他们的房子。

He is a man of easy access. 他是个平易近人的人。

Citizens may have free access to the library. 市民可以自由使用图书馆。

5. distribute vt. 分发；分配；发送；分销

　distribute sth. to/among sb. 向某人分发某物

The mother distributed candy among children. 母亲给孩子们发糖果。

The Red Cross distributed food and tents to the earthquake victims.

红十字会向地震灾民分发了食品和帐篷

这种树在我国分布很广。This kind of tree is widely distributed in our country.

在新学期开始，老师会给学生们分发新书。_At the beginning of the new term, teachers will distribute new books among students.

［知识拓展］:n.__distribution___ 分发；分配；发送；（商品）经销，分销

6.sceptical (Am skeptial) adj. 怀疑的

sceptically adv. 怀疑地，不相信地

be sceptical about/of sth. 对......怀疑

be sceptical that... 怀疑......

Eg. 我怀疑他取胜的可能性。_I am sceptical about his chances of winning.

The public remain sceptical of these claims. 公众对这些说法仍持怀疑态度。

★短语分析：

7. However, within a short time nearly all TV broadcasts were made in color.

in color彩色的/地

随堂检测：Complete the sentences with right prepositions:

1) Do you know the boy __in__ dark blue, sitting at the back of the classroom?

2) When you do your test papers, you should write in black or blue. Don't write __in__ red.

3) The man suddenly began __in__ excellent French, which surprised everyone.

4) The detective found the letter was written __in__ pencil.

8. Sb. benefit from sth. 受益于，从......中得到好处

It is likely that people will benefit from the new invention.

很可能人们从这项新发明中得到好处。

I have benefited a lot from extensive reading.

广泛的阅读使我受益匪浅。

［知识拓展］:benefit vt.& vi. 有益于 n. 利益；福利，好处

beneficial adj. 有用的，有益的，有好处的

beneficially adv. 有用地，有益地，有好处地

be of benefit to = be beneficial to=be good for sb 对......有益

for the benefit of... 为了......的利益

The new regulations will be of benefit to us all.

新规则对我们大家都有好处。

9.wind:

1. sail against the wind n. 风

2. The stream winds its way through the village. vt 蜿蜒/曲折而行

3. wind the wool into a ball 卷缠，缠绕，绕成团

4. He forgot to wind (up) his watch. 给...上发条

5. Are all the windows wound up? 把（汽车窗玻璃等摇上）

6. She was walking along a winding path. adj. 曲折的

随堂检测：

1) It's hot in the car; please wind the car window _____.

A. up B. in C. back D. down

2) She ______ a shawl around the baby girl to keep her warm.

A. fastened B. tied C. wound D. put

3) The car slowly _____its way up the mountain road.

A. wound B. turned C. bent D. took

10.keep up with put up with

come up with end up with

Eg.Smell the flowers before you go to sleep, and you may just ______ sweet dreams.

A. keep up with B. put up with C. end up with D. catch up with

★重要句型：

1. Regular public broadcasting followed shortly afterwards, first beginning on 11 May 1928 in New York and in London on 20 August 1929. (l.2-3)

随堂检测：

1. Sarah pretended to be cheerful, _______ nothing about the argument.

A. says B. said C. to say D. saying

2. Mike found his missing car in the street outside his house, _____newly cleaned and polished. A. looked B. to look C. looking D. to be looking

3. All of a sudden a young man ___ the girl and took her away, ___into the woods.

A. seizing; disappeared B. seized; disappeared

C. seizing; disappearing D. seized; disappearing

4.A new ____ bus service to Tianjin Airport started to operate two months ago.

A. normal B. usual C. regular D. common

regular 有规律的，定期的，定时的 normal 正常的，常态的，正规的；

usual 通常的，惯常的； common 普通的，共同的，常见的。

2. Most early TV broadcasts were made __using_ a system __developed_____ by John Logie Baird.(L6.) 做方式状语

随堂检测：

He came running （run）all the way.

Now we can record music using (use) computers.

He goes to work every day, ______riding__(ride) a bike.

When he was in his teens, the boy began to make a living, __selling_____(sell) on the train.

3. It took more than two decades, though，until 1951, for color broadcasts to begin in the USA. (L14)

随堂检测：

1.--- Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky,____?

A. though B. also C. either D. too

2.I've got a bit of a headache. It's nothing much, _______.

A. also B. instead C. though D. besides

4. ...but it was not until 1938 that the first color TV program was broadcast.(L12)

随堂检测：

1) It was __ he came back from Africa ___he met the girl that he wanted to marry.

A. when; then B. not; until C. not until; that D. only; when

2) Not until he left his house _____ to know how important his family was for him.

A. did he begin B. had he begun C. he began D. he has begun

5. Satellites allow TV to be broadcast live over vast distances, with everyone receiving the same broadcast at the same time.

随堂检测：

1) The living room is nice and clean, with a dinning table already __ for a meal to be

cooked. A. laid B. laying C. to lay D. being laid

2) With our food _____ out, we had to walk to a village for help.

A. run B ran C. running D. to run

3) _____two exams to worry about, I have to work very hard this weekend.

A. Besides B. With C. As for D. Because of

6. ...satellite dishes can be seen distributed throughout the countryside and remote areas.

随堂检测：

1) A cook will be immediately fired if he is found _____ in the kitchen.

A. smoke B. to smoke C. smoking D. smoked

2) The servant was found ______ black and blue.

A. beat B. to beat C. beaten D. beating

7.Most early recorders employed steel tape to record on, which made them difficult to use.

随堂检测：

1) There are five pairs ______, but I'm at a loss which one to buy.

A. to be chosen B. to choose C. to choose from D. for choosing

2) 他买了一个书架放书。He bought a bookshelf to put books on._______ _

3）他是个很好共事的人。__He is a person to work with.

教学反思：