A.50%
B.35%
C.45%
D.48.9%
E.70%
[单选题]( ).A.B.C.D.
[单选题]A.白菜B.菠菜C.大米D.动物肝脏E.红薯
[单选题]A.1/2~1/5B.1/3~1/10C.1/5~1/20D.1/20~1/50E.1/50~1/1000
[单选题]A.10:1B.15:1C.20∶1D.25∶1E.30∶1
[单选题]A.丝圈保持器B.远中导板式间隙保持器C.下颌舌弓保持器D.Nance弓保持器E.活动功能保持器
[单选题]A.上下牙颊斜面B.上下牙舌斜面C.上牙舌尖颊斜面、下牙颊尖舌斜面D.下牙颊斜面、上牙舌斜面E.上牙颊尖远中斜面、下牙颊尖近中斜面
[单选题]A.上下颌牙列中线是否一致B.C.息止颌位的检查D.E.以上都对
[单选题]A.磨牙颊舌径的1/2B.磨牙颊舌径的2/3C.双尖牙颊舌径的1/2D.双尖牙颊舌径的1/3E.双尖牙颊舌径的2/3