下列属于希氏面容的外观改变的是（）
A.面肌消瘦
B.眉头紧锁
C.脸呈铅灰色
D.眼眶凹陷
E.下颌下垂
参考答案：A, C, D, E
–I must apologize for _____ ahead of time. –That's all right.
A．letting you not know
B．not letting you know
C．letting you know not
D．letting not you know
开胸后出现病理呼吸是（）
A.摆动呼吸
B.成串呼吸
C.反常呼吸
D.失调呼吸
E.长吸呼吸
