10. If you were invited to an American guest's house for dinner now, what would be the best time to arrive? A. On time. B. 15 minutes earlier. C. 15 minutes later. D. 1 hour earlier. ...

4. Betty is a foreign student in China. She has met Peng Fei. B: I was told that you won the 100-meter race in the all-city track meet this morning. Congratulations! A. Just lucky. B. Thank you. C. I can't say I did well this morning. ...

12. Semantics is the study of "the formal relations of signs to one another". A. 错误 B. 正确 ...

29. Inference means that we often infer or make guesses as to what the speaker intends to mean when he says something A. implicature B. Deixis C. Pragmatics D. Inference ...

23. （） is the most important feature that conversational implicature has. A. conversational implicature B. Cancellability C. information presented D. non-detachability ...

17. At a dinner, you can begin to eat（） A. when the guests sitting beside you begin. B. when the hostess says, "Let's begin." C. when the main course is served. D. when the hostess picks up her own spoon or fork. ...

10. Your friend's mother, Mrs Keeler, asked if you would like something to eat. What would you say to refuse politely?You: （） A. Not for the moment, thank you, Mrs Keeler, I'm full. B. No, thanks. I've just had lunch. C. Oh, no, Mrs K...

1. （）are produced by relating to the conversational context. A. Conversational implicature B. property of gradation C. Notion of face D. concept of face ...

42. Perhaps a scientist _____ a cheaper way of producing fresh water from the sea. A. shall in one day invent B. has one day invented C. will one day invent D. was one day invented ...

37. One of the girl students _____ when the teacher came in. A. has sung B. sang C. had sung D. was singing ...