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参考答案:错
—Oh, dear! ______?
—I've found I left my English book at home. [ ]
A. How are you
B. Where is it
C. What's happening
D. Are you wrong
患者。男性,60岁,和缺失。戴义齿后左侧后牙经常咬腮,原因可能是人工后牙的()
A.覆盖过大
B.覆盖过小
C.平面偏高
D.平面偏低
E.牙尖斜度过大