前牙金瓷修复体中,唇面瓷层厚度不少于()
A.0.5mm
B.1mm
C.2mm
D.2.5mm
E.3mm
参考答案:B
白交通支进入交感干神经节后的三种去向不包括()。
A.终止于相应的交感干神经节
B.在交感干内上升
C.在交感干内下降
D.直达支配脏器
English is a language that many people around the world _______ not speak perfectly but at least _______ understand.
A.might;could
B.will;must
C.would;might
D.can;may