下列哪一组的两种植物之间具有的共同特征最多?[ ]
A.松与竹
B.小麦和玉米
C.白菜和水绵
D.葫芦藓和肾蕨
答案:B
婴幼儿正常肝脏应在右肋缘下()
A.不能触及
B.0.5cm易触及
C.1~2cm易触及
D.2cm易触及
E.3cm内易触及
Fish can not live _______ water. We're the same! [ ]
A. without
B. with
C. haven't
D. hasn't