反映一个测验工具的正确性是指该测验的()
A.效度
B.信度
C.样本
D.常模
E.概念
参考答案:A
I didn't feel like _____, so he suggested _____ an English song right away.[ ]
A. reading; practising singing
B. reading; practising to sing
C. to read; practicing singing
D. to read; practicing to sing
常用的报告有()。
A.工作报告
B.情况报告
C.呈请性报告
D.检查报告
E.例行报告