问题补充：
Today’s young people are taking a more active part in online activities. Although the Internet can be 21 for students to collect information and communicate（交流）with their friends, teachers and parents are becoming more and more 22about the unhealthy web content（网上内容）in the bar. They think that the birth of “Harm-free Internet Bars”（健康网吧）is 23 step to 24 teenagers.
It was Sunday afternoon and there were not many 25 seats left in the Feiyu Internet Bar. A few 26 were found playing 27 . A person of the bar was walking around 28 Internet users’ online activities.
“My job is to find anyone who is looking at 29 websites and then 30 them from doing so,” he said. “This is a 31 of the ‘Harm-free Internet Bar’project”. Feiyu, a famous Internet bar in Beijing is among the first 19 to 32 the harm-free Internet bar club.
In order to help start a better 33 for teenagers’ online activities, China’s Communist Youth League has brought out the program named “Harm-free Internet Bar for Teens”.
But while teachers and parents 34 the “harm-free Internet bars”, 35 do many school students think of them?
【小题1】A．successfulB．usefulC．hopefulD．interesting【小题2】A．amazedB．excitedC．frightened D．worried【小题3】A．an easyB．a hardC．an importantD．an impossible【小题4】A．preventB．stopC．askD．protect【小题5】A．comfortableB．emptyC．singleD．clean【小题6】A．teachersB．studentsC．parentsD．officers【小题7】A．musicB．bridgeC．chessD．online games【小题8】A．watchingB．lookingC．seeingD．finding【小题9】A．interestingB．healthyC．unknownD．harmful【小题10】A．stopB．tellC．makeD．encourage【小题11】A．workB．programC．roomD．pace【小题12】A．joinB．helpC．openD．keep【小题13】A．placeB．environmentC．Internet barD．club【小题14】A．complain aboutB．worry aboutC．welcomeD．club【小题15】A．howB．whyC．whatD．whetherB
答案：
(答案→)B
解析：
【小题1】B 因特网对同学们收集信息和与朋友交流很有用，故用useful。
【小题1】D 但老师和家长对于不健康的网络内容感到担心，即worried。
【小题1】C 健康绿色网吧是保护学生走出的非常重要的一步（an important step）。
【小题1】D 健康绿色网吧的出发点应该是保护学生，即protect。
【小题1】B 没有太多空的（empty）座位了。
【小题1】B 根据所给选项，只有students最合适。“一些学生在打游戏”。
【小题1】D 几个学生在网吧正在做的事情，online games最合题意。
【小题1】A watching“观察”。
【小题1】D harmful“有害的”，发现有人在登非法网站，立即制止。
【小题1】A stop sb. From doing sth.“阻止某人做某事”。
【小题1】B program“计划”，这是“无害网吧”项目的一部分。
【小题1】A 加入某组织用join，加入“无害网吧”俱乐部用join。
【小题1】B 为青少年的网上活动创造一个更好的环境（environment）。
【小题1】C 老师和家长肯定是支持这个项目的。
【小题1】C 固定句型。What do you thingk of sth.?“你认为......怎么样？”
