题干
假如你是李华。你的朋友Tommy是一个手机低头族，无论站着、坐着、走着，他都在低头玩手机。请就此给Tommy写一封信。
内容包括：1）做手机低头族的危害；（至少两点）
2）希望他改掉这个坏习惯。
注意：1）词数100左右；
2）可适当增加细节，以使行文连贯；
3）开头语和结尾语已给出，不计入总词数。
参考词汇：过度使用overuse
Dear Tommy,
There seems to be a trend that people now tend to play with their cell phones no matter where they are. And I know you are not an exception.
Yours,
Li Hua
答案(点此获取答案解析）
One possible version：
Dear Tommy,
There seems to be trend that people now tend to play with their cell phones no matter where they are. And I know you are not an exception.
There is no doubt that cell phones play an important part i
