各种等待时间可用()或()确定。
参考答案:图解法;分析法
Tom, ________ yourself. Did you forget the school rules?[ ]
A. behave
B. enjoy
C. perform
D. conduct
下列贸易术语卖方承担责任最大的是:
A.CIP
B.DES
C.DDU
D.DDP