Are using mobile phones safe?
学习目标：
1. 培养学生学习和运用词汇的能力
2. 通过练习巩固所学词汇和句式
学习要求：
1． 课前熟练掌握文中的重点词汇和短语
2． 通过自学和合作探究，提高分析句子的能力
3． 通过练习检测自己对词汇和句子的掌握情况，查漏补缺，进一步提高解题能力
课前学习：
A. 根据首字母或中文提示，补全单词。
1. That kind of electronic dictionaries is well designed, and it is especially s______ for high school students learning English.
2. “Are famous film stars always getting leading roles in movies?” “Not n________.”
3. The electric products produced in our company have good quality and usually a three-year g________.
4. Professor Tudor is leaving for New York to attend an important international medical c________ next week.
5. I’ve got two tickets for tonight’s concert given by the Russian artists. Would you like to a__________ me to go and enjoy it, Amy?
6. I have total f_______in my best friends and believe that they are honest in this case.
7. The boy tried to work out the maths problem by drawing a __________（平行线） between the two sides.
8. I don’t think this program is practical and capable of calculating your_______（预算） for the year.
9. He was charged for not having a _________ (有效的) driving licence.
10. The Chinese __________（电信） industry is huge, and the amount of profit involved is unbelievably enormous.
1. suitable 2. necessarily 3. guarantee 4. conference 5. accompany 6. faith 7. parallel
8. budget 9.valid 10.telecommunications
B. 短语翻译:
1.提供某人某物________________________
2.以---为基础__________________________
3.开展，执行___________________________
4.有可能______________________________
5.集中________________________________
6.未必, 不一定________________________
7.被暴露于，经受_______________________
8.与---相等,相当于_____________________
9.指出________________________________
10.不愿做---___________________________
11.与---有联系_________________________
12.信任，相信__________________________
13.目前，暂时__________________________
14.无所顾忌地________________________
15.在...方面___________________________
16.在…之前________________________
1. provide sb with sth
2. be based on
3. carry out
4. be likely to
5. concentrate on
6. not necessarily
7. be exposed to
8. be equal to
9. point out
10. be unwilling to
11. be associated with
12. have faith in
13. for the time being
14. without caution
15. in terms of
16. previous to
C．选择方框中词组的适当形式填空
1. As is known to us all, only the theory ________ practice can be practical.
2. He usually lied to his parents and teachers, which caused them not ______ him.
3. My old computer still works well so I don’t want to buy a new one ______.
4. I have finally realized that a healthy life is closely _____ the open countryside and home- grown food.
5.The amount of radiation ________using a mobile phone for two half-hour periods per day.
6. What he said does ________ _________ mean that he likes his present job.
7. His skin can’t ______ _______ _______ the sun for such a long time.
8. Scientific experiments ________ by students without the teacher’s instructions can be dangerous.
1. based on 2. to have faith in 3. for the time being 4. associated with 5。is equal to ,
6. not necessarily 7. be exposed to 8. carried out
D. 根据课文内容填空：
It is reported that using a mobile phone 1 the risk of 2 brain cancer, a disease which is usually 3 . The report is based on the 4 of research that was 5
6 in Sweden. The research 7 on older types of mobile phones. New digital mobile phones produce less radiation, but that does not 8 mean that they should be used without 9 .In fact, another study 10 in Australia has suggested that digital mobile phones are an 11 danger. Why is there no definite scientific 12 about the effects of mobile phones on people’s health? One theory is that it is not 13 because the telecommunications industry is huge, and the amount of 14 involved is enormous. Clearly the industry is 15 to say that the products they are selling could possibly be dangerous. It is possible to draw a 16 between mobile phones and cigarettes because the same thing had been said for many years about the dangers of the latter, and for the same reason. For years, the cigarette companies would not 17 that cancer is 18 with smoking, but now we all know that it is.
1. doubles 2.developing 3. terminal 4. findings 5. carried 6. out
7. concentrated 8. necessarily 9. caution 10. conducted
11. actual 12. evidence 13. available 14. profit 15 unwilling 16. parallel
17. acknowledge 18. associated
△课堂学习：
1.This study was conducted with 200 mice, half of which were exposed to radiation while the other half did not receive any radiation. (P14) 该研究的实验对象是200只老鼠,其中半数暴露在辐射环境下, 而另一半未受到任何辐射。
expose sth/ sb /oneself to 使...受到(面临),暴露或显露某物/某人/自己
be exposed to 接触, 暴露于...
exposure n. 面临（困难），显露，暴露，揭露，曝光
即时训练:
(1) He exposed the plan to the newspaper.
翻译:_______________________________________________________________________ (2) This kind of paint can be exposed to all kinds of weather.
翻译:_______________________________________________________________________ (3) 别把你皮肤暴露在阳光下，会晒伤的。
翻译:________________________________________________________；it will get burnt.
答案：(1)他想这家报社透露了这个计划。
(2) 这种油漆能经受各种天气的考验。
(3) Don’t expose your skin to the sun.
高考链接
__________ to sunlight for too much time will do harm to one's skin. （2002上海）
A. Exposed B. Having exposed
C. Being exposed D. After being exposed
2. The amount of radiation was equal to using a mobile phone for two half-hour periods per day. 辐射的总量相当于每天使用手机打两次半小时的电话。
be equal to sth / doing sth 等于; 与....相等;胜任, 胜任，有……的能力
without equal 无与伦比
equal sb/sth in… 在…… 比得上
即时训练
（1）On the whole, women are not equal to men in physical strength.
翻译:_____________________________________________________________________
总体来说，女性的体力不及男性。
（2）She is equal to (doing) the task.
翻译:_____________________________________________________________________
她能胜任这项任务。
（3）汤姆与约翰身高相同。
翻译:_____________________________________________________________________
Tom is equal to John in height.
（4）三乘三等于九。
翻译:_____________________________________________________________________
Three times three equals nine.
3. For years, the cigarette companies would not acknowledge that cancer is associated with smoking, but now we all know that it is.
acknowledge sth
acknowledge that ……
acknowledge doing sth /having done sth承认做了某事
acknowledge sb/sth as/to be……承认某人/某物为……
It is universally ackowledged that…… ……是大家公认的
即时训练
1.他们拒不承认自己被击败
翻译:________________________________________________________________________
They refused to acknowledge defeat / that they were defeated / themselves beaten.
2. 他们承认做错了事。
翻译:________________________________________________________________________
They acknowledged having done wrong.
3. 我承认它是真的。
翻译:________________________________________________________________________
I acknowledge it as true.
4. It is universally acknowledged that dogs have an acute sense of smell.
翻译:________________________________________________________________________
大家都认为狗的嗅觉敏锐。
巩固练习：
单项选择:
1.In my opinion, no search engine can _______ Baidu in searchscope and speed.
A. compare B. equal C. win D. suit
2. The book was written in 1946, ______ the education system has witnessed great charges.
A．when B．during which C．since then D．since when
3. I’m planning to hold a party in the open air, but I can make no __________ because it depends on the weather.
A. mistake B. guarantees C. delicious D. words
4. You may refer to your dictionary ________ difficulty.
A. in the case of B. in case of C. in any case D. in no case
5._______ I accept he is not perfect, I do actually like that person.
A. While B. Since C. As D. If
6. The way he did it was different_________ we were used to.
A. in which B. in what C. from what D. from which
7. When ________ help, one often says“Thank you”, or “It’s kind of you”.
A. offer B. to offer C. to be offered D. offered
8.________ the danger from another attack of earthquake people had to overcome a shortage of food, drinking water, medicine and almost everything.
A. As far as B. As well as C. As long as D. As much as
9.- When shall I pay the bill? -Don’t mind it, sir.__________.
A. Please come at your convenience B. Till you are convenient
C. You’ve got to pay it right away D. I don’t mind it either.
10.I have finally realized that a healthy life is closely _______ with the open countryside and home-grown food.
A. tied B. related C. involved D. associated
11. A hero is _____ one who has done brave things.
A. not necessary B. not necessarily C. no doubt D. no wonder
12.Doctors warn people that one may develop skin cancer with his skin ______ to the sun too much.
A. exposes B. exposing C. exposed D. being exposed
13.It is universally_______ that some students have difficulty in acquiring the language skills in English study.
A. predicted B. acknowledged C. argued D. ignored
14. We have a great faith _______ we will realize our dream in time.
A. that B. which C. whether D. what
15. It is necessary to be prepared for a job interview. ____the answers ready will be of great help.
A. to have had B. Having had C. Have D. Having
16. Oil prices have risen by 32 percent since the start of the year, ___a record US$57
a barrel on April 4.
A. have reached B. reaching C. to reach D. having reached
17.----How do you deal with the disagreement between the company and the customers ?
----The key ____the problem is to meet the demand_____ by the customers.
A. to solving; making B. to solving; made
C. to solve; making D. to solve; made
18. The theory that he stuck _____________ true.
A. to prove B. proved C. to proved D. to proving
19. I ___ you-I know you’ll do well. (which of the following is wrong.)
A. have faith in B. believe in C. trust D. believe
20. ________ is known to us all, only the theory ________ practice can be practical.
A. Which, base on B. Which, based on C. As, based on D. As, basing on
课后学习：
背诵Project中的重要短语和句型
学习感悟：
1. 我学会了：_____________________________________________________________________
2. 我的困惑是(还有哪些不理解的地方)：_____________________________________________