A.20cm
B.30cm
C.60cm
D.50cm
E.80cm
[单选题]一位-2.00D的近视患者,其远点为( )。A.20cmB.30cmC.60cmD.50cmE.80cm
[单选题]正常足月妊娠脐带的平均长度为( )A.40cmB.55cmC.60cmD.70cmE.80cm
[单选题]红外线治疗时照射距离的范围为A.10~30cmB.20~30cmC.30~60cmD.40~70cmE.50~80cm
[单选题]食管长约A.25cmB.30cmC.15cmD.35cmE.40cm
[单选题]妊娠7个月的胎儿身长为( )A.25cmB.30cmC.35cmD.40cmE.45cm
[单选题]魏氏血沉管的刻度为 ( )A.0~20cmB.0~15cmC.0~10cmD.0~25cmE.0~30cm
[单选题]骶耻外径的正常值是A.19~20cmB.17~20cmC.19~21cmD.18~21cmE.18~20cm
[单选题]C.T模拟机的孔径一般应大于A.50cmB.55cmC.60cmD.65cmE.70cm
[单选题]冰箱背后的散热器离墙距离应A.>20cmB.>15cmC.>5cmD.>25cmE.>10cm
[单选题]Jaeger近视力表的检查距离为A.10cmB.15cmC.20cmD.25cmE.40cm