短期出口信用险一般采取的承保方式是()。
A.总括
B.预约
C.统保
D.综合
参考答案:C
Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ great service.
A.不填;a
B.the;a
C.不填;不填
D.the;不填
在砂轮上磨錾子时压力要大。()