口腔粘膜危险区
参考答案:口腔粘膜危险区:指口底舌腹的U形区(1分)、口角内侧黏膜的三角形区域(1分)、软腭复合体(1分),发生在这些部位的口腔癌前病变具有更高的癌变可能性。
国家所规定的定期检验,其内容不应超出()的检验。
—Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?
—Yes, but I _______her husband first.
A.can have told
B.should have told
C.need have told
D.must have told