反映真阳性率的标志（）
A.敏感度
B.特异度
C.诊断指数
D.预检值
E.似然比
参考答案：A
解析：敏感度是真阳性率的标志。
Tom wrote __good composition that he was praised by all the teachers in the school.
A．so a
B．such a
C．a so
D．a such
斩断颈骨的部位应在宰杀的刀口处。( )
