本人英语基础比较差,求帮修改作文,写错语法错误需要改正的地方,15分满分能打几分?inrecentyears,moreandmorestudentshavethetroublewithshort-sightedness.whatistheworse,theshort-sightednessstudentstrendtoy

　　本人英语基础比较差,求帮修改作文,写错语法错误需要改正的地方,15分满分能打几分?

　　inrecentyears,moreandmorestudentshavethetroublewithshort-sightedness.whatistheworse,theshort-sightednessstudentstrendtoyounger,eventhepupils.

　　whatarethereasonsthatmoreandmorestudentshavethetroublewithshort-sightedness?inmyview,firstly,moststudentshavethebadreadinghabits,theytakebooktooclosetoeyesastheyreading.secondly,withtheraisingofeconomy,moststudentshavetheirowncomputer.theyspentmuchtimeinplayingcomputerratherthanstudyingorsporting.thatwillmakesthemshort-sightedness.thirdly,somestudentsliketowatchTVandreadnovels.theyoftenreadtheirfavouritenovelsdayandnightmakestheireyescannothaveagoodrest.

　　inordertosolvethisproblem,Iputforwardthefollowingsuggesting,firstly,parentsshouldlimittheirchildrentoplaycomputergames,watchTVandreadnovels.theycantakelittletimetodothatforrelaxthemselves,butnottoomuch.secondly,studentsshoulddevelopagoodreadinghabit.thirdly,schoolshouldarrangeforsomeeyeexercisestokeepstudentsfrombeingshort-sightedness.

　　请说明哪里错了，该怎么修改