__________ Beijing Opera to the basic education in China is a big step to promote traditional art.
A. Adding B. Added
C. Add D. Having added
_____ there is still a long way to go, we believe that the doctor-patient relationship in China is gradually improving.
A. Because B. Unless
C. Although D. Once
Last year, every employee in our company _____ a physical examination free of charge.
A. offered B. was offered
C. has offered D. had been offered
Upon arriving home, Lily found that her husband _____ a beautiful candlelight dinner.
A. had prepared B. is preparing
C. has prepared D. would prepare
Astronomers have discovered that three planets have sizes and temperatures similar to _______ of Earth.
A. them B. these
C. those D. ones
假设你是学生李华，在某英文网站看到一则告示，内容关于向全球中学生征集他们感兴趣的话题。请你用英文给该网站发邮件向其推荐话题。内容包括：
1. 个人简介：姓名、年龄、国籍；
2. 话题主题：和平、感恩、幸福；
3. 推荐理由。
注意：词数100左右，可以适当增加细节，以使行文连贯。
Dear Sir/Madam,
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
__________________________________________________________________________
Sincerely yours,
Li Hua
