Scientists are interested in whether the sense of smell is related to pain. They are also curious about whether men and women have the same senses. Now, the study has proved that pleasant smells reduce pain for women.
Dr. Finkelstein is famous scientist in this field.
One explanation is that
1. 感谢对方的邀请；
2. 询问活动安排和说明要介绍的传统文化内容；
3. 祝愿交流活动成功。
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 Mr. Smith,
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Li Hua
1. 表示祝贺;
2. 送一份礼物(如蛋糕、钢笔、词典等, 并解释为何送这份礼物);
3. 表示祝愿。
注意: 1. 词数80个左右;
2. 可适当增加细节, 以使行文连贯。
