所谓接待礼仪,在国际交往中是指涉外人员具体从事接待工作时所应当遵守的()。
参考答案:行为规范
—Would you like to help me with my work?
—_______
A.With pleasure.
B.No,I wouldn't.
C.Yes,I would.
D.My pleasure.
加热炉()冷却循环方式分为强制循环和自然循环两种。
A、汽化
B、液化
C、固化