柜内货物运输保险中,水运工具可以分为()
A、火车、汽车和驿运
B、轮船、机动船和非机动船
C、直达、联运和集装箱运输
D、邮包、航空、联运
参考答案:B
当康明斯发电车需单机单路供电时,Ⅱ号机仅合()主开关即可单独向Ⅰ路供电。
A.1QF
B.2QF1
C.2QF2
D.3QF
33.In the reading –room there are tables, you can sit there to read .
A.at which
B.in which
C.and
D.where