I had ________ supper at my friend’s last Sunday and ________ food was very delicious.

A．a; the

B．/; /

C．the; /

D．/; the

属于乙类传染病的是（）。

A.霍乱

B.麻疹

C.流行性感冒

D.病毒性肝炎

E.急性出血结膜炎