死亡率最高的细菌性食物中毒是
A．沙门菌食物中毒B．副溶血性弧菌食物中毒C．变形杆菌食物中毒D．肉毒中毒E．大肠埃希菌食物中毒
参考答案：D
-- Tommy, your mum has been out without glasses!
-- Well, take it easy. she is back home for them.
A．It is long before that
B．It won't be long since
C．It won't be long before
D．It will be long before
外汇市场有（）市场和（）市场之分。
