车辆通过铁路道口时，时速不得超过（）公里，并不准停车。
A.5
B.10
C.15
D.30
参考答案：A
David doesn't want to swim because he is not _____ swimming. [ ]
A. interested in
B. angry with
C. terrified of
D. mad at
全额到账产品不适用于（）
A.保函付款
B.境外投资
C.偿还借款
D.交纳学费
