预测热点2：共享单车
共享单车无疑是今年的火爆热点之一，它为我们的生活带来了极大的便利。
预测考题
假设你是李华，你校的新高一交换生TOM对共享单车感到新奇，请你写一份邮件，邀请他去体验共享单车。
内容包括：
1. 现象
2. 共享单车兴起的原因
3. 约TOM周末骑共享单车
参考范文
Dear Tom，
Learning that you have a strong fancy for the shared—bikes，I am glad to tell you some relevant information about it.
Currently，the bike—sharing program is popular among people ranging from the old the young，as a result of which such a bike can be seen here there.
The shared—bikes come into being for the reason that it solves the last kilometer problem efficiently makes contribution to reducing air pollution.
So beneficial is the shared-bike that we ought to have a try. I sincerely invite you to ride the shared-bikes with me this weekend. Looking forward to your early reply.
Yours,
Li Hua
。