Today, more and more students surf the Internet. Whether(是否) students should surf the Int

Today, more and more students surf the Internet. Whether(是否) students should surf the Internet is a hot topic. Different people have different opinions .Last week, we did a survey about students surfing the Internet. We think maybe it can help you learn a little. The survey below is from the students of No.14 Middle School. One hundred students joined in the survey.
How often they surf the Internet
Once a day
Once a week
Hardly ever
12%
68%
6%
How long every time
Half an hour
An hour
More than an hour
26%
57%
17%
What they like doing
Playing games
Studying
Chatting with friends
64%
22%
14%
Whether they have a best friend online (在线)
Yes
No

58%
42%

What they think of the Internet
Relaxing
Interesting and helpful(有帮助的)
Dangerous
60%
22%
3%

【小题1】Most students spend on the Internet each time.A．half an hourB．an hourC．more than an hourD．more than two hours【小题2】Only a few students think the Internet is .A．relaxingB．interestingC．helpfulD．dangerous【小题3】According to the passage and the survey, we know .A．students shouldn’t play games on the InternetB．parents should let their children go onlineC．most students often study on the InternetD．most students go online just for relaxing themselvesB

(答案→)B 解析：【小题1】在表格的第二行提到每次上网的时长，其中上网1个小时的占57%，也就是绝大部分学生花费1个小时上网，故本题选B。【小题2】在表格的最后一行提到学生们对上网的看法，有3%的学生认为是危险，也就说少量的学生认为上网是危险的，故本题选D。【小题3】在表格的最后一行提到学生们对上网的看法，有60%的学生认为上网是令人放松的，也就是说大部分学生上网只是为了放松自己，故本题选D。

我明天再问问老师，叫他解释下这个问题