皮皮学，免费搜题
登录
搜题
【单选题】
下列实验室检查的结果进一步支持该诊断的是A.
血清壁细胞抗体阳性
B.
血清壁细胞抗体阴性
C.
基础胃酸分泌增加
D.
血清抗平滑肌抗体阳性
E.
血清中检测不出其他自身抗体
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】超滤系数(ultrafiltration coefficient，Kf)
【简答题】克郎α系数(Cronbach α Coefficient)
【简答题】克郎α系数(Cronbach α Coefficient)
【简答题】野外测量工作的基准面是()
【多选题】Regarding correlation coefficient, which of the following are true?
A.
If the correlation coefficient of two attributes is 0, then the two attributes are independent.
B.
If the correlation coefficient of two attributes is greater than 0, then there is causality between the two attributes.
C.
If we normalize two attributes with z-score normalization, then their correlation coefficient is equal to their covariance.
D.
Correlation coefficient can be used to detect the redundancy among attributes.