海上保险按保险标的的分类，分为（）。
A.船舶保险
B.货物保险
C.航程保险
D.定值保险
参考答案：A, B
The WTO cannot live up to its name _______ it does not include a country that is home to one fifth of mankind.
A．as long as
B．while
C．if
D．even though
生产上为什么要重施花铃肥？如何施用？
