参考答案

【参考范文】
    As computers are being used more and more widely in our life，they have brought us a lot of convenience．However，attention should he paid to its bad effects on people's health．
    To begin with，the bright screen and the frequently-rolling words on it do much harm to our eyes，which gradually weakens our eyesight．Besides，depending too much on computers may lead to a worse memory．Most importantly，using computers，people tend to sit before them for a long time．That is the reason why many people often feel uncomfortable in the back．And some may even get too fat．
    To improve the situation，I think there should be a short rest every other hour to relax our eyes and brain．What's  more，avoid using the computer unless necessary．After all，we can keep out of the trouble it brings if we use it properly．

英语作文评分标准:
各档次的给分范围和要求：
第五档：（13—15分）包含全部要点；语言基本无误；行文连贯，表达清楚。
第四档：（10—12分）基本包含要点，遗漏少量次要点；语言有少量错误；行文基本连贯，表达基本清楚。
第三档：（7— 9分）包含部分要点；语言虽有较多错误，尚能达意。
第二档：（4— 6分）要点不明确；语言错误多，影响意思表达。
第一档：（0— 3分）白卷或文不对题；错误百出，不知所云。