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题目内容
（国家开放大学管理英语2）
The following are good skills except when designing questionnaires .
选择一项：
a.
making sure the questions are in the right order
b.
keeping the questions brief and easy to understand
c.
using many open-ended questions
选择一项：
a.
making sure the questions are in the right order
b.
keeping the questions brief and easy to understand
c.
using many open-ended questions
参考答案
