上外出版社写作教程二练习题答案.doc

P2 . PART1
Advantages : It is very convenient . You can make a call whenever and wherever you want to.
It is especially helpful in an emergency .
It saves time .You don't have to search for or await the turn for the public phone.
You can always be reached when you are needed by others.
In an information age ,it can help you to get the information you want in the quickest way.
It may help you to grasp any chance to succeed.
You can play games and surf the net through the phone.
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Disadvantages : It is quite expensive
Its radiation is harmful to health
Answering calls in public places such as on a bus is embarrassing
Making or answering calls while driving is dangerous
You can always be reached by your parents or your boss
It may ring at the moment when you least want it to
You may receive calls from strangers or advertising companies and have to pay for them .
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P3. PART2
have become increasingly violent
is more and more important for young people
is the kindest neighbour I have ever known
has a profound effect on our health
P4. specific
British English is different from American English in spelling
is not a sentence, but a fragment