4．Do you know what problems the teenagers probably have？Here is a survey showing their main problems．
ProblemsCausesAdvice
Feeling stressed Too much homework．Don't have enough time for their hobbiesMake a plan for study and hobbies．Find time to relax as possible as you can．
Getting short-sightedToo much homework．Bad reading and writing habits．Do homework or reading in a correct way．
FightsDon't know how to get on well with classmates．Make more friends and understand each other．Share your problems with them．
Feeling tired of studyComputer games'bad influenceDon't be crazy about computer games．Play them just for a short time when you are tired．
Getting fatHaving more pocket money to buy snacks； dislike doing exerciseUse your pocket money to do something meaningful．Spend some time doing exercise every day．
39．How many main problems are there in the survey？A
A．Five
B．six
C．seven
D．eight
40．What problems are caused by too much homework？B
A．Feeling stressed and fight
B．Feeling stressed and getting short-sighted
C．Feeling tired of study and getting fat
D．Getting short-sighted and feeling tired of studyB
41．Millie is tired of study，maybe she
A．does much more homework
B．plays too many computer games
C．gets fatter and fatter
D．has no close friends．
分析 这是一篇说明文．主要介绍了青少年存在的问题，并给出了相关建议：因太多作业而感到压力大，建议对学习和兴趣做一个计划，尽可能找时间放松自己；太多家庭作业和不良的读书写字习惯造成近视，建议以正确的方式来学习；不知道如何与朋友相处，建议多交朋友相互理解，与朋友分享自己的问题；对学习感到累，建议不要疯狂于打游戏；因吃了太多零食而变胖，建议不要买太多零食，多做运动．
解答 （39）A．细节理解题．通读全文可知，共有五个问题：Feeling stressed 感到压力；Getting short-sighted变近视；Don't know how to get on well with classmates不知道如何与朋友相处；Feeling tired of study对学习感到疲累； Getting fat变胖．故选A．
（40）B．细节理解题．根据"Feeling stressed Too much homework．"及"Getting short-sightedToo much homework．"可知，太多的作业造成压力，太多的作业造成近视．故选B．
（41）B．细节理解题．根据倒数第二段"Feeling tired of studyComputer games'bad influence．"可知，因电脑游戏的不良影响造成对学习感到疲累和近视．故选B．
点评 本篇阅读结构很清晰，要点很明了．根据题干，结合选项，在文中找寻答案即可．
