【单选题】患者,男性,25岁,口腔内上下前牙龈乳头消失,并凹陷,呈反波浪形,龈牙间乳头颊舌侧分离,可从牙面翻开,下方有牙石牙垢,血象正常,无坏死。可能的原因是
【单选题】患者,男,25岁,口腔内上下前牙龈乳头消失,并凹陷,呈反波浪形,龈牙间乳头颊舌侧分离,可从牙面翻开,无坏死,下方有牙石软垢。血象正常。可能的原因是()
【单选题】How did the criterion of "being hidden" in Yan style occur?
A.
It dawned upon Yan Zhenqing accidentally.
B.
Yan zhenqing learnt it from former masters.
C.
YanZhenqing got the idea from Zhang Xu.
D.
It was passed down from yan’s ancestors.
【单选题】How did the criterion of "being hidden" in Yan style occur?
A.
It dawned upon Yan Zhenqing accidentally.
B.
Yan Zhenqing learnt it from former masters.
C.
Yan Zhenqing got the idea from Zhang Xu.
D.
It was passed down from Yan's ancestors.
【单选题】患者,男。25岁,口腔内上下前牙龈乳头消失,并凹陷,呈反波浪形,牙间乳头颊舌侧分离,可从牙面翻开。下方有牙石,血象正常,无坏死。可能的原因是
【单选题】男性,25岁,口腔内上下前牙龈乳头消失并凹陷,呈反波浪形,牙龈间乳头颊舌侧分离,可从牙面翻开,下方有牙石、牙垢,无龈坏死物。可能的原因是
【判断题】稀释强电解质溶液时,其摩尔电导率Λm将增大。
【单选题】Why did Confucius disapprove of Yan Hui’s visit to the State of Wei?
A.
He was clear that Yan Hui went there for the purpose of fame
B.
He was concerned that if Yan Hui might get killed by the cruel king
C.
He was not satisfied with Yan Hui for he hadn’t learned well
D.
He was not sure whether Yan Hui would be able to fulfill his purpose
【单选题】保税区内企业进口免税自用的机器设备等需填制“出口保税区进境备案清单”,出口加工区企业进口免税的机器设备等应填制“进口货物报关单”。 ( )