在我国被列为法定甲类传染病之首的是()
A.鼠疫
B.伤寒
C.布氏杆菌病
D.霍乱
E.炭疽
参考答案:A
—Did you meet with the famous space hero , Yang Liwei ?
—_______I had come here earlier !
A.If only
B.If not
C.But for
D.For fear
锡生根功效与作用