属于水溶性维生素的是
A.维生素A
B.维生素B
C.维生素D
D.维生素E
E.维生素K
参考答案:B
I’ve never dreamed of _______a picture on the wall.
A.there be
B.there being
C.there to be
D.there is
国际航行船舶的船长,必须每隔3个月向检验检疫机构申请一次鼠患检查。( )