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题目内容
（管理英语2）
How can Malinda hold the respondents.interest in filling in the questionnaire?
选择一项：
a. Provide variety in the type of questions.
b. Keep the questionnaire short and simple.
c. Keep the questions brief and easy to understand.
选择一项：
a. Provide variety in the type of questions.
b. Keep the questionnaire short and simple.
c. Keep the questions brief and easy to understand.
参考答案