义齿支架大小连接体折断较为理想的焊接工艺为
A.嵌体B.半冠C.烤瓷熔附金属全冠D.桩冠E.3/4冠
参考答案:D
—Why do you look worried?
— Because what I am really concerned about is _____my friend can do me a favor or not..
A.although
B.whether
C.when
D.where
某男,56岁。心脏骤停后出现室性心动过速,电击后仍没有好转。治疗首选
A.洋地黄
B.安定
C.阿托品
D.利多卡因
E.胺碘酮