— I hear that Mary is ______ to stay with us for a few days.    —That’s great.

A．Maybe

B．possible

C．likely

D．probable

分离流行性乙型脑炎病毒采用的标本是（）

A.咽漱液

B.粪便

C.尿液

D.脑脊液

E.以上都是