1. [单选题]属于主动脉升部的分支是 （ ）
A. 头臂干
B. 肋间后动脉
C. 支气管动脉
D. 冠状动脉
E. 食管动脉
2. [单选题]
A. cycleB． city
B. crop
C. certain
3. [单选题]Mr. Green, was worried because ______.
A. he was driving along a lonely road
B. he had taken a stranger in his car
C. he saw a police-car
D. he was afraid that the man might rob him
4. [单选题]受害人对于损害的发生也有过错的，( )。
A. 可以免除侵害人(infringer)的民事责任
B. 可以减轻侵害人(infringer)的民事责任
C. 由双方平均分担损失
D. 可以免除或减轻侵害人(infringer)的民事责任
5. [单选题]出现在秦代的书体是
A. 小篆
B. 金文
C. 楷书
D. 甲骨文
