—What do you think of the meeting held yesterday evening?

—It was a tiring one,         I kept falling asleep.

A．where

B．which

C．that

D．during which

按照甲类传染病管理的乙类传染病是（）
属于甲类传染病的疾病是注意：肺炭疽、传染性非典、人感染高致病性禽流感为乙类传染病，但按甲类进行预防和控制。（）

A.黄热病

B.霍乱

C.伤寒

D.肺炭疽

E.风疹