一只雌猫一次产下三只小猫，这三只小猫在毛色上不完全相同，说明生产物体具有[ ]
A．遗传性
B．变异性
C．进化性
D．适应性
答案：B
小题1:Where will you have classes if you like playing basketball?
A．At Cliff College.
B．At Golden Finger Club.
C．At Whitehawk School
D．At Haved School.小题2:How much will they pay if Darning and his deskmate join “Speak Good English”?
A．$15
B．$30
C．$45
D．$60小题3:All classes will end after _________.
A．1 p.m.
B．2 p.m.
C．3 p.m.
D．4 p.m.
女性，1岁，患儿因腹泻2天来诊，泻下清稀多沫，臭气不甚，肠鸣腹痛，伴有恶寒发热，舌苔白腻。
此患儿是泄泻何常证（）
A.伤食泻
B.风寒泻
C.湿热泻
D.脾虚泻
E.脾肾阳虚泻
