甲醇硫酸洗涤试验中加入硫酸后什么时候观察?
参考答案:15min±0.5min.后观察,不用等到冷却至室温。
患者,女,60岁,初戴全口义齿,医师检查发现在正中接触时,咬合接触少.此现象应诊断为()。
A.正中关系错误
B.正中接触不全
C.前伸干扰
D.侧方干扰
E.长正中不协调
His feature story opens and closes with descriptions of two new reports, each _____ one major point in contrast with the other.
A.makes
B.making
C.is to make
D.makes