禾本科植物根的内皮层细胞在发育后期常五面增厚,不加厚的是()
A.横向壁
B.径向壁
C.内切向壁
D.外切向壁
参考答案:D
— How do I look white, Mike?
—Well, I would choose grey. white looks bad a boy with dark skin.
A.in; in
B.on; on
C.on; in
D.in; on
颅底陷入症可有下列症状,但不包括()
A.共济失调
B.肌张力障碍
C.吞咽反射
D.颅内压增高症状
E.癫痫