18.Questions 16 to 18 are based on the passage you have just heard. A: Their interaction with teenagers proved fruitful. B: They used libraries less often than teenagers. C: They tended to visit libraries regularly. D: Their number increased modestly.

Questions 16 to 18 are based on the passage you have just heard. 16.

Questions 18～20 are based on an interview about a murder. You now have 15 seconds to read Questions 18～20. How old is the man murdered A: [A] In his thirties. B: In his twenties. C: In his forties. D: In his fifties.

Questions 15 to 18 are based on a conversation on juvenile crime. Who is the man working with A: The woman. B: Young people. C: Frank. D: The media.

Questions 18 to 21 are based on a conversation on juvenile crime. Who is the man working with A: [A] The woman. B: Young people. C: Frank. D: The media.

Questions 18 - 21 are based on the following dialogue. What’ the attitude of the man toward the job A: Interested. B: Indifferent. C: Objective. D: Neutral.

The four types of questions that are easiest for respondents to answer are yes-or-no questions, multiple-choice questions, open questions, questions with a ranking scale.

Questions 18 ～ 21 are based on the following monologue. What was said to have been stolen A: A book. B: ＄3,000. C: A band bag. D: A Christmas card.

Questions 11 to 18 are based on the conversation you have just heard. A: 20 miles. B: 6 miles. C: 14 miles. D: 26 miles.

中国大学MOOC: The three kinds of questions that give rise to persuasive speeches are questions of , questions of , and questions of .