30、假如你在美国的笔友Jack要来中国参观，向你询问有关中国的天气情况以及来中国的最好时节等，请你给他写一封电子邮件，介绍一下中国的气候特点：（80字左右）

Dear Jack，

I’m very glad that you’ll come to visit China．_____________________________________ ______________________________________________________________________________

30、Dear Jack，

I’m very glad that you’ll come to visit China．You asked me about the weather in China．There are four seasons---spring，summer，autumn and winter．Summer is the hottest season of the year．It often rains．And winter is the coldest．Sometimes it snows，especially in the north of China．If you like snow，you can come at this time of year．But I think the best time to visit China is in spring or autumn because the weather is not cold or hot．It’s very pleasant to visit many places of interest in China，such as the Great Wall，the West Lake，Mount Tai．I hope you can come soon．

Yours，

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