Free-talk

2. Can you list some functions of mobile phones?

1. How many of you have a mobile phone?

Different functions of mobile phones

making a phone calltaking photos

listening to music

surfing the Internet

sending short messages

(pictures)playing games

As we know, mobile phones have become part of people’s life and it has been argued that mobile phones may be harmful to us for many years.

Do you think that the use of mobile phones is dangerous or not?

Lead-in

Unit 1 Living with technology

1. What has the British Association for the Advancement of Science reported?

2. What has the study conducted in Australia suggested?

3. Can children use mobile phones like adults? Why?

Fast-reading

1.It is said that using a mobile phone doubles the risk of developing brain cancer.2.There is enough scientific evidence available about the effects of mobile phones on people’s health.3.The industry has clearly announced that the products they are selling could possibly dangerous.4.Now we all know the fact that cancer is associated with smoking.5.The writer encouraged the children to use the phone more often.

Careful-reading

Main points Supporting details

Read the passage again and fill in the form below:

Using a mobile phone doubles the risk of developing brain cancer.

Digital mobile phones are an actual danger.

The reasons why there is no definite scientific evidence available now about the effects of mobile phones on people’s health.

The report is based on the findings of research that was carried out in Sweden, comparing 1,617 patients found to have brain tumors between 1997 and 2003 with the same number of healthy people.

The study, conducted with 200 mice, of which half were exposed to radiation while the other half did not receive any radiation, shows that the first half were found to have more than twice the cancer rate of the second half after eighteen months.Enormous profit from the

telecommunications industry prevents the bad results of findings from being revealed.

尽量减少通话时间 手机尽量不要放在口袋、腰间 (waist) 和床头 接通手机最初 5秒避免贴近耳朵 使用耳机 (earphone) 减少手机辐射 (radiation) 青少年儿童少用手机 手机信号弱时少听电话 怀孕 (in a family way) 早期最好少用手机

Are there any ways to reduce the risk of being harmed when using mobile phones?

It is reported that many high school students bring mobile phones to their school.Do you think high school students should use mobile phones at school? Why or why not?

What might be the writer’s attitude towards mobile phone use? Why do you think so? He might be worried about the use of mobile phones because he says, ‘Scientists have recently provide us with some worrying findings.’

providesupplyoffer

provide sb. with sth./provide sth. for sb.supply sb. with sth. /supply sth. to/for sb.offer sb. sth./offer sth. to sb./offer to do

vt. 供给 , 提供 , n. 补给 , 供给量 (pl.)vt. 提出 , 试图要做…… , 出价 , n. 提议

offer adviceoffer sb. a cup of teaoffer sb. 100 yuan for the bikerefuse/accept an offerwater supplyhousehold suppliesprovide the ship with radar

提出建议给……端上一杯茶向……出 100 元买自行车拒绝 / 接受建议供水家庭用品给船装备雷达

vt. 提供 , 装备 , 规定 vi. 为……作准备

1). vt., vi. 增加一倍；把……加一倍；使加倍使收入增加一倍double one's income加倍努力double one's efforts他工作得很好，他们给他工资加了一倍。He worked so well that they doubled his wages.The debt soon doubled.债务不久就增了一倍。

2). adj. 双的；双重的；两用的；两个的a double bed/room 双人床 / 房间a man with a double character有双重性格的人speak with a double tongue.说话口是心非

3). adv. 两倍；加倍地Many things now cost double what they did a few years ago.许多东西比数年前贵了一倍。pay double the price 加倍付钱

She is the double of her mother.她和她妈妈长得一模一样。mixed doubles男女混合双打

4). n. 二倍 ; 加倍 ; 相似者 ; 相似的人 [ 物 ]; ( 网球 , 乒乓球等的 ) 双打

terminal

1. When he was rushed to the hospital, he

was examined ___________cancer.terminal

2. Excuse me, where is the __________ of

the train ?

terminal

adj. 晚期的 , 终点的 , 每期的 , 学期的 n. 末端 , 终点站terminal cancer

a terminal patienta terminal exam

癌症晚期晚期患者期末考试

be based on 以……为基础，基于……之上

One should always base one's opinions on facts.一个人的意见应以事实为根据。Judgment should be based on facts, not on hearsay.判断应该以事实为依据 , 而不应该依靠道听途说。Advertisements based on these facts have been printed in newspapers and magazines but have not helped much.根据这些情况拟定的广告词登载在报纸和杂志上 , 但是效果不大。

concentrate vt., vi. 集中（注意力、思想等）concentrate on your work集中精力工作A driver should concentrate on the road when driving.开车时驾驶员的注意力要集中在路上。concentrate one's attention on /upon把注意力集中在We concentrated our attention on the task before us.我们专注于眼前的任务。

This study was conducted with 200 mice, half of

which were exposed to radiation while the other

half did not receive any radiation.

be exposed to “ 被暴露于 , 经受”这种油漆能经受各种天气的考验。

作为战地护士 , 她置身于各种各样的危险之中。

This kind of paint can be exposed to all kinds of weather.

As a nurse in the war she was exposed to many dangers.

exposed    adj.The house is in a very exposed position.expose sb. to sth. phrasal verb [usually passive]to make it likely that someone will experiencesomething harmful or unpleasant:About 800, 000 children are exposed to poisons each year.It is feared that people living near the power station may have been exposed to radiation.

__________ to sunlight for too much time will do harm to one's skin. A. Exposed                   B. Having exposed C. Being exposed         D. After being exposed

（ 2002 上海）

区别 :__________ to sunlight for too much time, your skin will be done harm to.　 A. Exposed                    B. Having exposed　 C. Being exposed          D. After being exposed

The amount of radiation was equal to using a mobile phone for two half-hour periods per day.

be equal to “ 等于 , 相当于”总体上说，女性的体力不及男性。

On the whole, women are not equal to men in physical strength.

equal adj. （常与 to 连用）相同的cut the cake into six equal pieces把蛋糕等分成相同的六块It is equal to me whether he comes or not.他来不来对我都一样。胜任的；经得起的He is equal to this task. He is equal to doing this task.他能胜任这项任务。

vt. 与……相等，等于Three and five equals eight.三加五等于八。Eight times eight equals sixty-four.八乘八等于六十四。比得上None of us can equal her.没人比得上她。

previous adj. （常与 to 连用）以前的；先的a day previous to Christmas圣诞节的前一天He has had no previous experience of this kind of job.他从前没有做这种工作的经验。I had collected material previous to writing.我在写作以前先搜集了材料。过早的；过急的You have been a little too previous.你有点过急了。

平行线相似 ( 同 ) 的事例The road and the railway are parallel to each other.The road runs parallel with the railway.

在……之间作个比较draw a parallel between ……双杠Peking is close to the fortieth parallel of north latitude(纬度 ). 北京靠近北纬 40度。

parallel bars

parallel (lines)

adj. 平行的 ,类似的

n. 平行线 ,类似的人 / 情况 ,纬线

a parallel case

be associated with 与……有联系 , 与……相关人们常把威士忌同苏格兰联系起来。Whisky is usually associated with Scotland.

你说的故事与他的家乡有关吗 ?

Is your story associated with his hometown?

be connected with

We associate China with the Great Wall.我们想起中国 , 就联想到长城。What do you associate with such a heavy snow?这样一场大雪你有什么联想 ?

associate vt. 使发生联系 , 使联合 ,联想

acknowledge

我承认他说的是事实。I acknowledge the truth of his statement.

He was acknowledged to be the best player. He was acknowledged as the best player.

It is universally acknowledged that dogs have a good sense of smell.

他被公认为是最佳选手。

大家都认为狗的嗅觉敏锐。

accept the truth of sth.; admit sth. 承认

Thus, the findings have not been made public, and the industry is saying that there is not enough evidence to do so. (P15) 因此 ,一些研究结果一直未与公开 , 而电信公司却说证据还不够充分。thus    adv.in this way: 就这样Bend from the waist, thus.with this result: 因此They planned to reduce staff and thus to cut costs.

(2007湖北 )Water can absorb and give off a lot of heat without big changes in temperature, thus creating a environment. A. peaceful B. sensitive C. common D. stable

Can we have faith in them and believe that

they are being honest?

have faith in “信任” “相信”虽然约翰有缺点 , 但我对他还是信任的。

他仍然很有天赋 , 但是他已经丧失了信心。

I still have faith in John despite his shortcomings.

He still has great talent, but he has lost faith in himself.

As we have learnt how to make a statement and how to support it, now you need to complete the project to make a list of pros and cons.

Project Time

Advantages and disadvantages of computer use/ MP3/ TV

Chose a topic and discuss with your

partners on this topic. Then write a l

ist of the advantages and disadvanta

ges of ……

Advantages and disadvantages of computer use

• What are the advantages of using computers?

• What are the disadvantages of using them?• Do you think computers are a danger to

your health?• Can you list some evidence to prove your

statement?

Sample

Writing structure

• Introduction

• Advantages/ evidence

• Disadvantages/evidence

• Conclusion

Useful expressions

• It is said that…/ It is acknowledged that…

• Sb. believed/ thought that • hold an opinion that• additionally/ in addition• on the other hand• in the same way• …

Homework

1. Write an article on advantages and disadvantaged of computer use.

2. Do Part B2 on page 103 of the Workbook.

3. Do Parts D1 and D2 on page 105 of the Workbook as homework.