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
