线管内导线总面积不大于管内净面积的()。
A.40%
B.50%
C.60%
D.80%
参考答案:A
While shopping, people sometimes can't help _______into buying something they don't really need.[ ]
A. to persuade
B. persuading
C. being persuaded
D. be persuaded
培训效果的反馈信息可以从以下几个渠道获得()。
A.培训师反馈
B.培训对象反馈
C.专家反馈
D.下属反馈
E.工作效果分析