Compared to questionnaires, face-to-face interviews are more expensive for collecting data from a large number of respondents.

选择一项:
对
错
出自:管理英语2

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块