副溶血性弧菌食物中毒好发食品是（）
A.肉制品，剩米饭
B.鱼虾蟹贝类等
C.禽蛋类
D.面包，面条等食品
E.臭豆腐，豆酱等
参考答案：B
It is the third time that he ____ the first prize in the competition.
A．wins
B．won
C．has won
D．to win
用右手螺旋法则判断通电线圈的N极和S极。
