are doing poorly at the school due to the amount of time they spend on non­educational websites.

　　【解题导语】　本文主要讲述了现在的人们更相信虚拟的朋友，更有甚者将虚拟朋友当成了终身朋友，还叙述了家长们因害怕孩子受到网络的不良影响不愿意让孩子接触网络。

5．The underlined word "it" in Para.1 most probably refers to ________．

A．people spending too much time surfing the Net

B．people relying on the Internet to connect with friend　

C．people having more online friends than real ones

D．people making meaningful connections with strangers

C　解析：代词指代题。根据前文After having more than a few acquaintances (相识的人) online可知，应是指虚拟的朋友比真正的朋友还多这件事。

6．We can infer from the text that________．

A．sick people can recover more quickly by surfing the Net　

B．students get important information online

C．students who surf the Net always perform not so well

D．people tend to trust their virtual friends more than their real ones

D　解析：推理判断题。通读全文，并根据文章的第五、六段和第二段的关键句The study also claims that people tend to be more open，confident and honest with their virtual friends than their "real" ones.可知答案。

7．What percentage of parents believe that the Internet has a bad effect on their children?

A．About 5 percent.　　　　 B．About 10 percent.

C．About 20 percent. D．About 23 percent.

C　解析：细节理解题。根据文章最后一段的At the same time，however，a questionnaire completed by 4，427 suggests that 20 percent of parents believe their children's education is affected by surfing the Net.可知答案。

语法填空

　　Last week I had a holiday from work, but 1.____________(unfortunate) none of my friends had the same week off. I decided that I still wanted to do something, so I booked a train ride to Toronto and reserved a bed in a hostel for one week.

　　One week by myself! Would I be bored? Quite 2.____________ opposite! I was able to do whatever I wanted. I spent hours in museums, 3.____________ would have seemed dull to my friends. Instead of depending 4.____________ someone else to remember directions, I discovered my 5.____________(independent) and developed map­reading skills that I didn't know I had. I could get up and go to sleep when I wanted and I didn't have to wait for anyone else 6.____________(get) ready every morning.

However, I found there were also some disadvantages of travelling alone. I missed