题型:选择题 Hurry up! The train _____________. You know it _______ at 8:30.A.leaves; leavesB.is leaving; leavesC.leaves; is leavingD.is leaving; is leaving 查看答案
题型:单项选择题 A3/A4型题 患者,女,50岁,全口义齿修复l年,发现基托纵裂。检查:上半口义齿基托纵裂从双侧中切牙处开始向后延伸。前牙成浅覆牙合,但腭隆突处黏膜充血压痛,两侧咬合力感觉相等。上半口义齿固位良好。基托折断修理时,裂缝两边的塑料应磨成的最佳形状是()。A.直线形 B.曲线形 C.斜坡形 D.浅凹形 E.倒凹形 查看答案