下载APP
举一反三
【单选题】为防止冠戴入后仍食物嵌塞，应采取的措施，除了（） A．恢复正确的邻接关系 B．平面与邻牙一致 C．去除对颌充填式牙尖 D．减轻接触 E．加大外展隙
A.
一患者
大面积银汞合金充填，远中食物嵌塞，要求固定修复。
大面积银汞合金充填，远中食物嵌塞，要求固定修复。【单选题】No one really likes help. It is a great deal more satisfactory to be given the opportunity to earn one’’s daily bread; and if, by so doing, one can create a continuing means of livelihood, more jobs, ...
A.
answers an objection that some readers may raise to paragraph I
B.
guards against the possibility that you have read in paragraph I
C.
contradicts the idea of paragraph I
D.
is more optimistic than paragraph I
【单选题】I was at a gas station the other day, filling up my tank with gas. The owner of the little establishment was hovering nearby, and someone handed him some bills, remarking, "You probably prefer getting...
A.
Convenience stores and gas stations are frequent targets of bandits for being considered full of cash.
B.
Hurricane Katrina changed American people’’s habit of payment.
C.
Gas station has refused to accept cash after the Harrican Katrina.
D.
American convenience stores are badly in need of employees.