I a cold, and my sister has a fever. [ ]
A. have
B. has
C. had
答案:A
慢性右心衰竭最常见的症状是()
A.疲倦、乏力
B.心源性呼吸困难
C.咳嗽、咳痰
D.腹胀、纳差、恶心、呕吐
E.头晕、心悸
“先人为主,以偏概全”是评定量表中的( )。
A.严格误差
B.逻辑误差
C.光环效应
D.趋中误差