碘酒具有很强的杀伤作用,其作用机制()
A.抑制某些酶系统作用
B.破坏细胞壁
C.卤化菌体蛋白产生代谢功能障碍
D.改变菌体通透性
E.使菌体蛋白脱水
参考答案:C
在第十一届全运会中,北京市共得了79枚奖牌,其中银牌20枚,铜牌29枚。金牌得了多少枚呢?
Recently my father bought an ancient Chinese vase, _____ was very reasonable.
A.which price
B.the price of which
C.its price
D.the price of whose