在贸易条约与协定中,通常适用的法律待遇条款是
A.最惠国待遇条款
B.普惠制条款
C.选择性保障条款
D.授权条款
参考答案:A
— Do you know _____?
— Next Sunday.
A.what they will do
B.where they will do
C.when they will come here
D.who they will meet
彩色图像信号频带为什么必须压缩?又为什么可以压缩?