在叶芽结构中,能发育成侧芽的结构是[ ]
A.生长点
B.芽原基
C.叶原基
D.芽轴
答案:B
Failure to face up to painful experience can be ________ form of stress itself, and can increase ________ possibility of illness.
A.the; /
B.a; a
C.a; the
D./; the