对牙齿应实行“三三制”清洁原则，即每日三餐后的三分钟内要漱口。()
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Which of the following is not implied in the passage？____________.
A. The approach of Oscar ceremony arIns to encourage the spirit of the people connected with the Motion picture industry．
B. Oscar ceremony takes place at the Kodak Theatre in Los Angles every two years．
C. The Oscar Night is always full of an element of surprise
D. Oscar ceremony takes place with an attractive appeal．
中餐宴会上可以从餐巾的折放上，看出哪个是主位，哪个是客位。()
商务招待的基本原则是，可以高消费，但是要反对浪费。()
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