女同志骑车时,车把的位置应比男同志略高
参考答案:对
患者女,28岁,缺失,设为基牙,金合金铸造3/4冠固定桥修复。固位体和舌面背分段铸造后,焊接起来
金合金固定桥焊接的焊料应选用()
A.金焊
B.银焊
C.铜焊
D.锡焊
E.锌焊
My bicycle is much newer than _____ . [ ]
A. her
B. his
C. my
D. your