第二节：完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。
Your friends might be in Australia or maybe just down the road, but they are all just a few clicks away. Life has   36   for millions of teenagers across the world who now make friends online.   37   you use chat rooms, QQ, MSN or ICQ, you are   38   of a virtual community (虚拟社区).
"I rarely talk with my parents or grandparents,   39   I talk a lot with my old friends on QQ," said Fox's Shadow, the online nickname (网名) used by a Senior 2 girl in China. "Eighty per cent of my classmates use QQ   40   school."
QQ is the biggest messaging   41   in China. A record shows 4 million people used it one Saturday night in October,   42   to Tencent, the company which developed QQ.
And Fox's Shadow might well have been one of them. "I log in (登陆) on Friday nights, and Saturdays or Sundays when I feel  43  . I usually   44   about 10 hours chatting online every week," she said. "But I rarely talk with  45  , especially boys or men."
Even though she likes chatting, she is careful about making   46   with strangers online. "You don't know   47   you're talking to. You should  48   be careful about who you trust online."
Many people would like to meet offline when they feel they have got to  49   someone very well. Fox's Shadow once met one of her online friends face to face. It was a girl who was a comic fan like   50   and they went to a comic show together.
However, not all teenagers have been so   51  . At the beginning of this year, a 17-year-old girl in Liaoning Province was killed after meeting a friend she had found on QQ. The criminals (罪犯) weren't   52   until last month.
A 16-year-old Beijing boy, known online as Bart Simon, dislikes QQ users. "I used to chat on QQ, but I found that most people were talking   53  ," he said. Now he chats online in English, using MSN. But he spends little time chatting as he sees it as a  54    of time and money. "If you are really   55   to it, sometimes you just can't concentrate (集中精神) in class," he said.
36.A. improved      B. become      C. changed     D. increased
37.A. Whether       B. If       C. When  D. Unless
38.A. member B. part    C. partner       D. number
39.A. but B. as       C. when  D still.
40.A. before   B. at       C. after   D. since
41.A. service  B. product      C. structure     D. organization
42.A. granting       B. depending  C. considering D. according
43.A. sleepy   B. tired   C. bored  D. busy
44.A. take      B. cost    C. pay     D. spend
45.A. friends  B. adults  C. males  D. strangers
46.A. relation B. touch  C. contact       D. friends
47.A. who      B. which C. whose D. these
48.A. often     B. usually       C. sometimes  D. always
49.A. know    B. recognize   C. tell     D. judge
50.A. herself   B  she    C. anybody else      D. everyone
51.A. good     B. fortunate    C. safely  D. healthy
52.A. kept      B. held    C. caught D. killed
53.A. uselessness    B. noise   C. nonsense    D. rubbish
54.A. short     B. lack    C. waste  D. little
55.A. kept      B. held    C. addicted     D. stuck