称为“血海”的经脉是（） A.冲脉 B.带脉 C.督脉 D.阴维脉 E.任脉
题型：单项选择题 A1/A2型题
问题：
称为“血海”的经脉是（）
A.冲脉
B.带脉
C.督脉
D.阴维脉
E.任脉
题型：单项选择题 A1/A2型题
请根据下面提示，写一篇短文。词数不少于50。
In your spoken English class, your teacher shows you the following picture. You are asked to describe the picture and explain how your understand it. 