[答案]
Recently，asurveyonthemyopiaofourstudentshasbeenconductedbyourschoolinfirmary.Thesurveyshowsthatthemyopiarateofgirlsis48.3%whilethatofboysis55.2%.That'stosay，moreandmorestudentsareshort﹣sighted.
Theproblemresultsfromtwomainreasons.Oneistheirbadreadinghabits，suchasreadinginbedorinstronglight.Theotheristhatstudentsspendtoomuchtimeplayingelectronicproducts，whichdoesgreatharmtotheireyes.Shortsightednessbringsalotofinconveniencetostudents.Forexample，theycannotseetheblackboardclearlyinclass.Besides，theyareunabletodosportsfreelywithglasseson.
Istronglyrecommendthatstudentsshoulddoeyeexercisesregularlyandgetridofbadreadinghabits.Withgoodvision，wecanenjoythebeautifulworldbetter.
[解析]
Recently，a survey on the myopia of our students has been conducted by our school infirmary.The survey shows that the myopia rate of girls is 48.3% while that of boys is 55.2%. 【高分句型一】That's to say，more and more students are short﹣sighted.（描述现状）
The problem results from two main reasons.One is their bad reading habits，such as reading in bed or in strong light.The other is that students spend too much time playing electronic products，which does great harm to their eyes.【高分句型二】Shortsightedness brings a lot of inconvenience to students.For example，they can not see the blackboard clearly in class.Besides，they are unable to do sports freely with glasses on.（分析原因）
I strongly recommend that students should do eye exercises regularly and get rid of bad reading habits.With good vision，we can enjoy the beautiful world better.（提出建议）
[点评]
本题考查了"报道，身心健康，"，属于"必考题"，熟悉题型是解题的关键。
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