关于软骨的叙述,正确的是()
A.有神经支配
B.营养依赖于淋巴管
C.成人仅见于关节软骨
D.来源于胚胎期的间充质
E.对机体有营养作用
参考答案:D
In students’eyes.a good teacher should have many good virtues,but ,he
or she should be knowledgeable.
A.above all
B.after all
C.first of all
D.in all
I’m sorry I don’t know.I’m sorry I have ______ .