问题补充：
Mobile phones and the Internet have improved our life in many ways. However, along with improvements, they also brought a number of worrying problems.
Many car accidents are caused by mobile phones. You can use many new mobile phones to get on the Internet .This can be very convenient, but some drivers get on the Internet while driving. Driving needs all our attention. By looking at their mobile phones and not at the road, these insensitive(不专注的) drivers are a danger to us all.
Many of the dangers of the Internet are well known. Children who visit websites without their parents’ permission sometimes talk to older people they don’t know and put themselves in great danger. People with blogs(博客) sometimes post（张贴） embarrassing photographs of people they don’t know on their websites without permission. There are also people who use the Internet to get personal information that we do not want them to have.
Mobile Phones and Internet Safety Tips
lIf you need to use a mobile phone when you drive, use a “hand –free” phone.
lIn difficult driving situation such as rain or snow, don’t use your phone at all.
lDo not make very important phone calls while driving. They take your attention off the road.
lTell your children not to talk with anyone they do not know on the Internet.
lIn an embarrassing situation, pay attention to people around you. People will be shy about taking your picture if they know you’re paying attention.
lRefuse to give out any personal information on the Internet.
【小题1】Which of these dangers of mobile phones or the Internet is NOT mentioned in the passage?
A.You can have a car accident
B.Someone can post your photograph on the Internet
C.Someone you do not know can call you
【小题2】Children should on the Internet.
A.give out their important personal information
B.talk to older people they don’t know
C.ask for their parents’ permission sometimes to visit some websites
【小题3】A “hand-free” mobile phone is probably a mobile phone that .
A. is free to use
B. can be used without your hands
C. can be used with only one hand
【小题4】What advice is given in the passage to stop someone from taking an embarrassing picture of you?
A.Pay attention to the people around you
B.Don’t give out your personal information
C.Use a “hands-free” mobile phone
【小题5】Which is the best title of the passage?
A.Internet Problems
B.Mobile Phone and Internet Dangerous
C.The Development of Mobile Phone and InternetC
答案：
(答案→)C
解析：
【小题1】细节理解题，根据文中语句理解可知。
【小题2】细节理解题，根据文中语句“Children who visit websites without their parents’ permission sometimes talk to older people they don’t know and put themselves in great danger.”理解可知。
【小题3】细节理解题，根据文中语句“If you need to use a mobile phone when you drive, use a “hand –free” phone”理解可知。
【小题4】细节理解题，根据文中语句“In an embarrassing situation, pay attention to people around you. People will be shy about taking your picture if they know you’re paying attention.”理解可知。
【小题5】标题理解归纳题，根据文中语句“Mobile phones and the Internet have improved our life in many ways. However, along with improvements, they also brought a number of worrying problems.”理解可知。
