鱼类最适于游泳的体型是（）
A.纺锤型
B.侧扁型
C.平扁型
D.棍棒型
参考答案：A
The influence the parents _________ on their children _________ great.
A．take; are
B．take; is
C．have; are
D．have; is
冰冻红细胞可适用于什么情况?
