动物免疫血清的除菌宜采用（）
A.高压蒸汽灭菌
B.干热灭菌
C.滤过除菌
D.紫外线
E.煮沸消毒
参考答案：C
On the top of the hill_____ the old man once lived.
A．a temple stands there in which
B．stands a temple where
C．a temple standing on which
D．does a temple stand where
