乌药药材呈纺锤形，有的中间收缩呈连珠状的，称为（）
A.风化
B.凤眼圈
C.乌药珠
D.乌鸦头
E.乌金衣
参考答案：C
用所给单词的适当形式填空。
1. Is this _____ (you)ruler?
2. Excuse _____ (I), are _____ (you)Li Ming?
3. What's _____ ( he) name?
4. _____ ( she)last name is Smith.
5. I have a set of _____ (key).
6. _____ ( be) your ruler yellow?
7. Please _____ ( spell) your name.
8. It _____ ( not be) my ID card.
9. I'm fine, _____ (thank)
马的肋的对数是（）.
A.7
B.13
C.14～15
D.18
