假定你是李华，你校计划开设中国传统乐器二胡的网络课程．你的网友Chris对二胡很感兴趣，请写封邮件告诉他该课程的有关情况，内容包括：
1．写邮件的原因；
2．介绍课程的主要内容；
3．告知每周的直播时间．
注意：
1．词数80左右；
2．可以适当增加细节，以使行文连贯；
3．开头和结尾已给出，不计入总词数．
Dear Chris，
    ----------
Yours sincerely，
Li Hua

【考点】提纲作文；计划愿望；兴趣爱好．

【答案】Dear Chris，
How are you doing？As you are interested in Chinese music，I am writing to tell you about one of our school's online courses on a traditional Chinese musical instrument，which is called erhu.
This online course will cover a variety of topics on erhu such as its origin，its development and playing techniques.The online course will be broadcast live from 8 to 9 o'clock every Thursday night.
The online course will be beneficial and enjoyable.I am sure you can learn a lot about this wonderful traditional Chinese musical instrument.
Yours sincerely，
Li Hua