17．根據(jù)下面提示寫一篇短文
1．簡述以下現(xiàn)象：
（1）健康之重要人盡皆知．
（2）許多青少年不注重健康問題，假期尤甚．長時間看電視，通宵上網(wǎng)聊天、玩游戲．導(dǎo)致的危害如：影響視力，身體虛弱，缺乏人際交往．
2．簡述你的看法，提出你的建議．
要求：（1）內(nèi)容完整，層次清楚，語言流暢．
（2）詞數(shù)120左右，標(biāo)題已給出，不計(jì)入總詞數(shù)．參考詞匯：交流communicate；心理健康 mental health
Have a healthy lifestyle
_____________________________________________________________________________
_____________________________________________________________________________ 
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分析 本文是提綱作文，根據(jù)所提供的材料信息，寫一篇短文．簡述青少年不重視健康的想象及危害，闡述自己的看法和建議．
寫作要點(diǎn)：1開頭-健康很重要．； 2．想象：①長時間看電視 ②通宵上網(wǎng)聊天、玩游戲；3．結(jié)尾-闡述觀點(diǎn)，提出建議；
時態(tài)用一般現(xiàn)在時．人稱以第一和第三人稱為主．
重要短語：enjoy life（享受生活），pay attention to…（注意…），spend time doing（花費(fèi)時間做某事），be bad for …（對…有壞處 ），get near-sighted（近視），lose the chance（失去平衡），face to face （面對面），have a bad effect on…（對…有懷影響），in one's opinion（某人認(rèn)為），take some exercises（鍛煉），have a healthy lifestyle（有健康的生活方式）．
【高分句型一】
1．Only when we are healthy can we study well and enjoy life．
此處是部分倒裝結(jié)構(gòu)，結(jié)構(gòu)為"Only+【狀語成分：介詞短語/when、if引導(dǎo)的從句/時間副詞】+一般疑問句形式"．
【高分句型二】
2．And they spend too much time watching TV，playing games and chatting on the Internet all night，which is bad for their health．
此處是由關(guān)系代詞"which"引導(dǎo)的非限制性定語從句，"which"在從句中作主語，指代前面整個主句的內(nèi)容．
【高分句型三】
3．Thirdly，they will lose the chance ③to communicate with others face to face ①as they never go out，②which may have a bad effect on their mental health．
①此處是由連詞"as"引導(dǎo)的原因狀語從句，"they will lose the chance to communicate with others face to face"為主句．
 ②此處是由關(guān)系代詞"which"引導(dǎo)的非限制性定語從句，"which"在從句中作主語，指代前面整個主句的內(nèi)容．
     ③此處是由不定式作名詞"chance"的后置定語．

解答 As we all know，health is very important．Only when we are healthy can we study well and enjoy life．【高分句型一】（健康之重要）
However，many teenagers don't pay any attention to their health，especially during the holiday．And they spend too much time watching TV，playing games and chatting on the Internet all night，which is bad for their health．【高分句型二】（不注重健康）First，this may make them get near-sighted．Besides，their bodies become much weaker．Thirdly，they will lose the chance to communicate with others face to face as they never go out，which may have a bad effect on their mental health．【高分句型三】（不注重健康的危害）
In my opinion，they should spend less time in front of the TV or the computer．Go out to take some exercises，play some sports and visit some and have a healthy lifestyle．（簡述看法，提出建議）

點(diǎn)評 提綱作文在寫作時要注意內(nèi)容是否包含了所有要點(diǎn)．寫作時注意準(zhǔn)確運(yùn)用時態(tài)，上下文意思連貫，符合邏輯關(guān)系，盡量使用自己熟悉的單詞句式，同時也要注意使用高級詞匯和高級句型使文章顯得更有檔次，平時需注意積累短語和重要句型．

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