单项选择题

In the first sentence of the last paragraph, the pronoun "this" refers to（）

A．survey
B．question
C．answering
D．personal interviewing

<上一题目录下一题>

热门试题

单项选择题

It can be concluded from the passage that when all the people to be interviewed are located in a relatively big geographical area （）

A．personal interviewing is most effective
B．personal interviewing is economically impractical
C．personal interviewing is the only technique to get information
D．telephone interviewing may not be used

单项选择题

According to the last paragraph, one of the advantages of the personal interviewing is（）

A．the interviewer can ask the interviewee questions again in different ways
B．the interviewer can ask the interviewee some personal questions
C．the initial question do not produce the information desired
D．no one is present to clarify questions