题目内容：
2. Which step should be firstly taken when you try door-knocking?回答
A. Have people knock their own blocks.
B. Wear an official name tag.
C. Leave a door hanger.
参考答案：
选择题：2. Which step should be firstly taken when you try
- 题目分类：国家开放大学-人力资源管理-管理英语3
- 题目类型：选择题
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回答
A. Have people knock their own blocks.
B. Wear an official name tag.
C. Leave a door hanger.