课件36张PPT。Welcome to the class
DV mobile phones3g 4gWhat can we do by using mobile phones?make a phone callsend short
messagestake photos or make videoslisten to musicsurf the Internetsee each other while making a callA list of the advantages of mobile phones
make a phone call
send short messages
take photos or make videos
listen to music
surf the Internet
see each other while making a call
……
Any disadvantages or potential problems?Signature ceremonyProject
Are mobile phones safe?Reading strategy of a newspaper articlea newspaper
article the titleDraw people’s attentionthe first paragraphthe other paragraphsShow people the writer’s opinion, or the main idea of the whole passage
Main points and supporting information or disadvantages and evidence,Analysis of causesConclusions (sometimes)Task 1: Reading comprehension
read the passage and choose the best answer1. The first study of using mobile phones mentioned in the text was carried out in ______.
A. Britain B. Australia
C. Sweden D. America2.There are some reasons why the industry is unwilling to admit its harm to people’s health except _____.
Because the telecommunications industry is huge.
Because the amount of profit involved is enormous.
Because mobile phones are very common and convenient to people.
Because if they acknowledge that cancer is associated with mobile phones, probably fewer and fewer people will buy it. 3. According to the passage, there are some arguments about Dr Alan Harris and his colleagues’ findings because______.
A. the research was only conducted among a very small number of mice
B. humans differ from mice and the evidence doesn’t prove anything
C. the radiation that the mice received in the study was not enough to prove anything
D. the mice in the study received different levels of radiation4. The writer compares mobile phones with cigarettes in order to show____.
A. the effect of using mobile phones is quite different from that of smoking
B. smoking does more harm to people’s health than using mobile phones
C. cigarette companies have set a good example in protecting consumers’ health
D. the truth will one day be known by everyone, whether the companies agree or not
5. The author’s attitude toward the using of mobile phones is______.
A. neutral B. negative
C. positive D. unknownPart 1
Part 2
Part 3
Part 4
Part 5A. The causes of no definite scientific evidence
B. Worrying effects on children
C. Questions about safety of using mobile phones
D. Two studies from two countries
E. Arguments about the experimentTask 2: Divide the text into some parts and match the main idea to each part(Para 1)(Para 2-5)(Para 6)(Para 7-9)(Para 10)Task 3 : Read and decide which one is true and which one is false It was found that people who used mobile phones were twice more likely to have a brain tumor than people who didn’t use them.
New digital mobile phones produce less radiation, so that means they should be used without caution.
Another study conducted in America has suggested that digital mobile phones are an actual danger.
Professor Tony Basten is in favor of using mobile phones.FFFT 5.Dr. Alan Harris was part of the group that did the experiment in Australia.
6. To reduce use of mobile phones by children, Sir William Stewart supports higher pricing.
7. Like smoking, using mobile phones can do great harm to people’s health.
8.Almost all the mobile phone companies have proved the safety of their products.
TTFTTask 4: Task-based reading exercise.
Keys:
1. negative/bad 2. showed/ found
3. carried 4. safe
5. Reasons 6. based
7. public 8. stopping
9. especially 10. price /pricingTask 5: Make a list of the potential problems of using mobile phones from the textDoubling the risk of developing brain cancer
New digital mobile phones are an actual danger because of their radiation
Two and a half times more likely to have a brain tumour
The radiation produced by mobile phones could affect human genes
Like smoking, using mobile phones do great harm to people’s health
Using mobile phones affects the development of children’s skullsMore about the potential problems: In conclusion, mobile phones are not safe.
As a student, can we use mobile phones on campus?
some news reports about schools banning students from using mobile phones. ?
Apart from health, can you think of any other disadvantages of using mobile phones?
Make a list of them.
A waste of time and money
Cheating in exams
Cheating one’s relatives/ friends
Affecting study
Sending bad messages
Competing with each other(攀比)
Too much chatting
Some injuries by battery explosion(电池爆炸)
Some kinds of crimes(犯罪)
… …
Homework:
1. Read the passage again and again
2. Write a passage of what you have listed
3. Finish off Parts B1 and B2 on page 103 of the workbook Thank you !
Good-bye!