王某在某市开了一家饭店,饭店的碗筷每次用后都进行消毒,这种对餐具的消毒属于()
A.终末消毒
B.疫源地消毒
C.随时消毒
D.预防性消毒
E.化学消毒
参考答案:D
Is this your bedroom?[ ]
A. Yes, they are.
B. No, they aren't.
C. Yes, it is.
D. Yes, it isn't.