关于生物膜说法正确的是______。
A.在氧气不能透入的里侧深部是厌氧性膜B.是高度疏水物质C.与水层之间没有物质传递D.厌氧层分解有机物的产物是C02和H2O
参考答案:A
Much to my _____, most of the people _____ to the party were old friends.[ ]
A. astonishing; inviting
B. astonished; invitied
C. astonishment; inviting
D. astonishment; invited
110报警服务台的开通,加快了违法犯罪信息的传递,也使警民联系的渠道更畅通、更便捷。( )