【单选题】下面的表述不正确的是
B.
一个测验无论其信度有多高,效度很低也是无用的
C.
测验的效度既受系统误差的影响,也受随机误差的影响
D.
测验的效度和样本团体特点有很大关系,样本的异质性越大,效度越小
E.
增加测验的长度,不但能提高测验的信度,在一定程度上也可提高测验效度
【简答题】将下列对话补充完整。 A: Do you like some bananas? B: No, . A: ? B: I like apples. A: Do you like some apples? B: , please.
【单选题】女,30岁。因心悸心慌30分钟前来就诊,心电图示阵发性室上性心动过速,按压眼球及颈动脉窦无效。不宜选用的药物是
【简答题】运输包装的英文翻译:A. Distribution/Transport/ Shipping Package
【判断题】对于一个2缝光栅而言,相邻的主极大间有1个极小,0个次极大。
【简答题】看图,将下列对话补充完整。 1. —What did you do yesterday? —I . 2. —What did you do last weekend? —I . 3. —What did you do last Saturday? —I . 4. —What did you do last Sunday? —I .
【简答题】听录音,根据首字母将下列对话补充完整。 Chen Jie: Where did you go on you h . Liu Yun: I went to Shanghai. Chen Jie: H did you go there? Liu Yun: I went to by t ? Chen Jie: What did you do? Liu Yun: I bought p . Chen Jie...