从狭义的角度来看,通信市场是指()。
A.国际市场
B.国内市场
C.通信设备市场
D.通信业务市场
参考答案:D
All his classmates________his happiness when he won first prize in the competition. [ ]
A. shared
B. shared from
C. shared with
D. shared like
请你解释CIF这一贸易术语。