支付结算包括（）等结算方式。
A.信用证
B.汇兑
C.票据
D.托收承付
参考答案：A, B, C, D
个体防护是一项被动的防尘措施。
The engines of the ship were out of order and the bad weather____ the helplessness of the crew at sea.
A．resulted from
B．turned out
C．made up
D．added to
