下列属于茎刺的有()
A.仙人掌的刺
B.柑橘的刺
C.玫瑰的刺
D.皂荚树的刺
参考答案:B, D
Amy, ________her mother, _______dancing very much.
A.like; likes
B.like; like
C.likes; likes
D.likes; like
低渗性脱水与高渗性脱水各有哪些基本特征