听短文,选答案。
1.Whyteenagersfeelstressed?
A.Becausetheyalwaysstudyhard.
B.Becausetheyhavetoomuchhomework.
C.Becausetheyhavemanyhobbies.
2.Whydotheygetshort-sighted?
A.BecausetheywatchTVtoomuch.
B.Becausetheylikeplayingcomputergames.
C.Becauseofbadreadingandwritinghabbits.
3.Someofthemgetfatbecause_____
A.theydon'tlikedoingexercise.
B.theyspendtoomuchtimeoncomputergames.
C.theyeattoomuch.
4._____givesthemadvice.
A.DoctorKing
B.Teachers
C.Parents
5.Teenagerscandothefollowingexcept_____
A.makeaplanforstudyandhobbies.
B.makemorefriendsandunderstandeachother.
C.becrazyaboutcomputergames.
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