就一个测验的优劣而言,最为重要的指标是()o
A.信度
B.效度
C.区分度
D.难度
参考答案:B
It was in the village____the famous signer was born and brought up____she built a hope primary school.
A.that; that
B.where; where
C.where; that
D.that; where
下列哪些是中毒性菌痢病人血容量补足的表现
A.神志清
B.口唇红润
C.肢端温暖
D.收缩压在8kPa以上
E.尿量>30ml/h