漫肿，不红不热或皮色暗青是：（）
A.风肿
B.寒肿
C.火肿
D.湿肿
E.痰肿
参考答案：B
John was dismissed last week because of his ______ attitude towards his job.
A．informal
B．casual
C．determined
D．earnest
倾斜牙作固定桥基牙，其倾斜度的最大限度是（）
A.10度
B.20度
C.30度
D.40度
E.45度
