釉梭多见于
A.牙颈部
B.牙尖及切缘
C.颌面窝沟下方
D.新生线周围
E.釉面横纹下方
参考答案:B
(2012·重庆高考)We're having a meeting in half an hour.The decision ________ at the meeting will influence the future of our company.
A.to be made
B.being made
C.made
D.having been made
紫外线剂量分级的1~3个生物剂量(MED)是指()
A.0级红斑(亚红斑量)
B.Ⅰ级红斑(弱红斑量)
C.Ⅱ级红斑(红斑量)
D.Ⅲ级红斑(强红斑量)
E.Ⅳ级红斑(超红斑量)