听力：
section A
1-5：A D C A C
6-7：B B
8：had an Internet Addiction
9：professional help
10：online dating
11-15：C A C A A
16-20：D C D B D
21-25：D B A C B
section B
26-30：A D B B C
31-35：D D B A C
section C
ng
ndent
l
cting
ct
y
he has found how it works and learn to use it approriately
trying it out and seeing whether it works by gradually changing it and refining it
ing many of the concepts that the schools think only they can teach them