What can waiters or waitresses do to increase tipping at the start or the end of the meal? Giving________at the start or the end of the meal.
举一反三
- If you are invited to a business dinner, at the end of the meal, what do you do with the napkin?
- 对于汉诺塔问题，假设盘子从上到下编号1，2，3，...，现在要把“start柱子上的n个盘子移到end柱子，mid柱子为辅助。如果用(a,b,c)表示将编号a的盘子从b柱子移到c柱子，那么下面哪个列表表示两个盘子的解决方法？ A: [(1,start,mid),(1,mid,end),(2,start,end)] B: [(2,start,end),(1,mid,end),(1,start,mid)] C: [(1,start,end),(2,start,end),(1,mid,end)] D: [(1,start,mid),(2,start,end),(1,mid,end)]
- With the Sponsored Products campaign, your campaign can start immediately or at a later time in the future, can run with no end date, can pause at any time and start again later, and can start again after being archived. ( )
- 下面哪个函数返回中出现substr的第一个字母的标号，如果S中没有substr则返回-1： A: S.rindex(substr,[start,[end]]) B: S.rfind(substr,[start,[end]]) C: S.index(substr,[start,[end]]) D: S.find(substr,[start,[end]])
- When do the United States and the European Union plan to start bilateral tradetalks? A: By the end of July. B: By the end of June. C: In May. D: In July.