One possible version:
Instead of going to physical stores, more and more people choose to go shopping o line. Actually, online shopping plays an essential role in our daily life owing to much convenience it brings us. furthermore, not only can it save money, but it also offers lots of stores and goods at the same time, which provides additional orderings option and convenience.
As each coin has two sides, online shopping isn’t exception. To begin with, we often receive the shirt with the wrong size, because we can try it by ourselves. Next, due to the low price online, we are likely to lose control and buy many useless things. what’s more, there are many swindlers who  cheat us by opening on fake online store.
In conclusion, as a new booming thing, online shopping does have some benefits, but its potential dangers can not be ignored. Only when we work together can online shopping have a better future.

试题分析：本文是议论文习作，没有提供材料，要求学生必须把握写作要求和写作目的。考生在写作之前必需认真审题，首先要注意文章的时态，议论目前的情况，要求让学生写对现在网上购物的看法和建议，因此本文必须用第三人称。根据题目要求罗列出提纲要点：越来越多的人网上购物，有好的一面，好的就是：1 网上购物扮演着必要的角色；2 给我们带来方便，3 不仅可以省钱还可对许多商店和产品进行选择。又有不好的一面：1 买的东西与想要的东西不符；2 由于低价我们可能买回一些无用的东西； 3 可能受骗；罗列提纲之后应该注意句子的衔接，一定用上一些连接词，用一些高级词汇以提高作文的档次。然在书写上，要干净整洁的卷面与字数要求，一般能达到较高的分数。
【亮点说明】文中使用了非常好的短语和句子为文章增色不少，比如instead of，more and more people，go shopping o line, plays an essential role in，owing to，To begin with，due to，In conclusion，等；还运用了“not only can it save money, but it also offers lots of stores and goods at the same time, which provides additional orderings option and convenience.”中 not only ……but also……引导句子用部分倒装，里面还运用了which引导定语从句；同时句子“there are many swindlers who  cheat us by opening on fake online store.”中有who引导定语从句；because we can try it by ourselves.引导原因状语从句；Only when we work together can online shopping have a better future.only+介词短语或从句，句子谓语用部分倒装等等。并注意了句子的衔接如： Actually； furthermore；As each coin has two sides, To begin with, Next, what’s more, In conclusion,等等。