In China, when all people are seated and all cups are filled, the guests should toast the host first.

Drinking etiquette is a way to show Chinese hospitality, so the host usually urges his guests to drink instead of dishes as much as possible, for fear that he might cold-shoulder them.

Which of the following statements is wrong about the etiquette of introducing others? ( ) A: When introducing a group, the head of the hosting party should introduce his group first. B: When introducing a group, the head of the guest party should introduce his group first. C: When introducing others, we should properly show their strengths and features. D: The order of introduction should follow the principle of “the venerable firs”.

Both bombs produce the same three effects: heat, blast, and radiation, ________ the most fatalities. A: the first of them usually causes B: the first of which usually causes C: and the first of which usually causes D: the first of which usually causing

Which of the following statements is wrong about eye etiquette? ( ) A: Keep eye level with others’. B: Eye contact with confidence and friendliness. C: It is appropriate to make eye contact with each other for one minute during the first meeting. D: Avoid rolling eyes or squinting during the conversation.