单项选择题 What is a shortcoming of Armstrong’s work according to the author? A. Some ideas are slightly contradictory. B. There is too much discussion on studying science. C. The style. is too serious. D. It lacks new information.

多项选择题 控制情绪的方法主要有（）

单项选择题 计量认证的评审内容包括以下哪几个方面（）。①组织机构②仪器设备③检测工作④人员⑤环境⑥工作制度