Which one of the following expressions are often used tomake a toast to start the meal?
A. To our friendship!
Bon Appetit!
C. Help yourself.
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Which one of the following expressions can be used to communicate with foreign clients and show your hospitality during the meal?
A. Let's drink to our cooperation and health.
B. Would you like to try some of this?
C. How do you like the food here?
点的投影规律有()。
A. 长对正
B. 高平齐
C. 宽相等
D. 点要画成小圆圈
E. 点的标注为小写
A点到W面的距离是A点的()坐标。
A. X
B. Y
C. Z
D. O
下列说法错误的是()。
A. X轴坐标表示左右方向
B. Y轴坐标表示前后方向
C. Z轴坐标表示向下方向
D. Xa