3. Cell phones have made communication easier and have reduced the need for family argu ments.We can use cell phones to let our family know well be late or if theres a change of plan oran emergency.Cell phones have eased the worries of millions of parents when their teenagers are outlate,they can now contact their children at any time.
4.This does not mean that cell phones are all good news.They have brought with them anumber of new headaches for their owners:it costs a lot to replace stolen phones,something that isbecoming a frequent occurrence,and have you ever seen such huge phone bills? More serious,however,is the potential health problem they bring:there are fears that radiation from the phones maycause brain tumor(肿瘤)。This may be a time bomb waiting to happen to younger people who havegrown up with cell phones that they simply cant live without.
23.Paragraph 1_________________
24.Paragraph 2_________________
25.Paragraph 3________________
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A.Cell phones and the family
B.Commercial cell phone systems
C.Cell phones in everyday life
D.Cell phones for teenagers
E.History of cell phones
F.Problems with cell phones
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