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