一场突入其来的疫情，打乱了我们原本平静的生活。这是一场全世界、全人类的战役。假如你是李华，请给你在美国的笔友Jenny写一封电子邮件，给她提出针对新冠肺炎（NCP）的自我防护建议，同时表达战"疫"必胜的决心。

参考词汇：wear a mask, go out less, wash hands, keep the air fresh

注意：1）文中不得出现真实校名、人名；

2）词数80左右，开头和结尾已经给出，不计入总词数。

Dear Jenny,

    How's everything going? Everyone is doing their part in fighting against NCP around the world. Here are some suggestions for you to keep yourself safe. Firstly,

    …

    Hope my advice can help you. Best wishes!

Yours,

Li Hua