经验效度是通过建立一定指标简称为( )来检查测评结果的效度。
A.统计效度
B.统计效标
C.效标
D.测评效标
参考答案:C
—Sorry, Frank. I'm busy today. I can't go swimming with you.
—_________[ ]
A. No problem
B. You're welcome
C. That's all
D. Never mind
中国居民平衡膳食宝塔中建议每天蔬菜的摄入量为
A.100~200gB.200~300gC.300~500gD.400~500gE.500g以上