芽鳞痕
参考答案:
鳞芽开展时,外围的芽鳞片脱落后在茎上留下的痕迹,称为芽鳞痕。芽鳞痕的形状和数目因植物而异,是识别植物和进行植物分类的依据之一。
Though______money, his parents managed to send him to university
A.lacked
B.lacking of
C.lacking
D.lacked in
神经纤维瘤病()
A.4~12mg
B.5~12mg
C.10~20mg
D.15~40mg
E.50~120mg