绩效考评应是对一个人的全面考察，其内容包括：能，指一个人完成各项工作的能力，如分析问题和解决问题的能力、独立工作的能力等;勤，指一个人的勤奋精神和工作态度;绩，指一个人的工作成绩和效果。()

By 'the horse is already out of the barn'(Line 3,Paragraph 3)the author means______.A．it is too late to do anythingB．we are at a total lossC．the result is unpredictableD．people's lives may be threatened 点击查看答案

In the authors opinion, the new study______.A．failed to draw a firm conclusionB．gave contradictory explanationsC．raised practical solution to mental diseasesD．shed some light on the problem concerned 点击查看答案