A.>1:50
B.>1:60
C.>1:70
D.>1:80
E.>1:90
[单选题]智力低下的IQ值低于A.50B.60C.70D.80E.90
[单选题]SLE患者具有诊断意义的ANA滴度为()A . >1:50B . >1:60C . >1:70D . >1:80E . >1:90
[单选题]SLE患者具有诊断意义的ANA滴度为A.>1∶50B.>1∶60C.>1∶70D.>1∶80E.>1∶90
[单选题]SLE患者具有诊断意义的ANA滴度为( )。A.>1:50B.>1:60C.>1:70D.>1:80E.>1:90
[单选题,A1型题] SLE患者具有诊断意义的ANA滴度为A .>1:50B .>1:60C .>1:70D .>1:80E .>1:90
[单选题]SLE患者具有诊断意义的ANA滴度为A.>1:50B.>1:60C.>1:70D.>1:80E.>1:90
[单选题]SLE患者具有诊断意义的ANA滴度为A.>1:50B.>1:60C.>1:70D.>1:80E.>1:90
[单选题]SLE患者具有诊断意义的ANA滴度为A.>1:50B.>1:60C.>1:70D.>1:80E.>1:90
[单选题]A.NA滴度高于多少才具有诊断价值A.1:10B.1:20C.1:80D.1:200E.1:500
[单选题]我国电网的频率为( )Hz。A.50B.60C.80D.90