1. 词数不少于100;
2. 开头和结尾已给出，不计入总词数。
提示词：智能手机 smartphone，二维码 the QR code
【优秀范文】 Dear Jim,
I’m writing to tell you more about the new form of sharing bike--mobike mentioned in your latest letter.
It’s very convenient to use if you have a smartphone. What you need to do is to find a nearest mobike through the APP, scan the QR code on the bike, and enjoy your trip.
Compared
to
other
forms
of
sharing
bike,
the
greatest advantage of mobike is that you can easily find one and never worry about where to park it. It is becoming a new trend as a means of transportation, which relieves the traffic pressure and does good to the environment as well.
Hope to ride a mobike with you in China. Yours,
Li Hua 4 网购
【题目
要求】
随着互联网的发展和普及，网络购物在中国也变得越来越普遍了，甚至已经成了我们日常生活的一部分了。相信同学们身边一定有不少同学已经通过网络进行购物了，比如淘宝网等，但是网络购物究竟有何利弊呢? 请写一篇短文，谈谈网上购物的好处与坏处。
【优秀范文】
With the development of the Internet and the popularization of computers, shopping on the Internet has become a common place in our life. Here consumers can buy almost everything they need.
Shopping on the Internet has a lot of advantages, of which the most important is perhaps its convenience. People don't have to waste a lot of their energy and precious time to go from one shop to another to choose the commodities they like. This is especially desirable to the old, the sick and the busy people who cannot go to the shops in person (亲自). The goods come in all shapes, sizes and colors on the Internet. All they need to do is to sit in front of their computers and click the mouses (点击鼠标). The commodities they order will be delivered (运送) to them promptly.
However,
shopping
on
the
Internet
also
has
its
disadvantages. The first disadvantage is that the consumers can't see the goods or try them on (试穿) personally. Sometimes, the real goods may not be the same as what they have seen on the computer. The second disadvantage is that some shops on the Internet are not registered (注册). They