“一猪生九仔，连母十个样”，这句话说明 [ ]
A．进化现象
B．变异现象
C．繁殖现象
D．遗传现象
答案：B
— Could you turn the radio down a little bit?
— ________.Is it disturbing you? [ ]
A. Not a bit
B. I'm sorry
C. Take it easy
D. Never mind
叙述诊小儿脉的方法。
