1. [单选题]Some two thousand million years ago, the mountain on the sun was raised probably because______.
A. the star moved away from the sun
B. another star happened to come near the sun
C. fhe sun and the moon raised the tides on the earth
D. a large tidal wave of a star travelled over the surface of the sun
2. [单选题]莱辛的美学名著是_________。 ( )
A. 《汉堡剧评》
B. 《拉奥孔》(laocoon)
C. 《美育书简》
D. 《论戏剧艺术》
3. [单选题]A pop star usually leads quite a hard life, with a lot of traveling _________heavy schedules.
A. with regard to
B. as to
C. in relation to
D. owing to
4. [单选题]The grain output is ______this year than that of last year.
A. higher 5 percent
B. 5 percent more higher
C. more 5 percent higher
D. 5 percent higher
5. [单选题]生产力与生产关系的关系是（ ）
A. 内容与形式的关系
B. 必然与偶然的关系
C. 原因与结果的关系
D. 可能与现实的关系
