环托式矫治器是谁设计研制的()
A.Angle
B.Tweed
C.毛燮均
D.陈华
E.朱希涛
参考答案:C
流行性出血热的临床分期正确的是
A.发热期、低血压休克期、少尿期、多尿期、恢复期
B.发热期、出血期、低血压休克期、少尿期、恢复期
C.发热期、低血压休克期、多尿期、少尿期、恢复期
D.发热期、出血期、少尿期、多尿期、低血压休克期
E.发热期、少尿期、多尿期、低血压休克期、恢复期
In "The Canterbury Tales", Chaucer employed the ()with true ease and charm for the first time in the history of English literature.