(判断题)46: Survey is used widely in descriptive research, in which sampling is one of the key issues. A: 错误 B: 正确 正确答案:
(判断题)47: Errors can indicate the student's stage of language learning and acquistion. A: 错误 B: 正确 正确答案:
(判断题)48: Students feel less anxiety when they are working “privately” than when they are “on show” in front of the whole class. A: 错误 B: 正确 正确答案:
(判断题)49: Teaching journals, lesson report, Audio and video recordings and survey and questionnaires and action research are major instruments in action research. A: 错误 B: 正确 正确答案:
(判断题)50: Group studies utilize group of subjects in research. This method can also be used in experimental research. A: 错误 B: 正确 正确答案: