最有利于肝探查的呼吸阶段是（）
A.深呼吸后屏气
B.深吸气后屏气
C.正常呼吸
D.正常呼气末屏气
E.正常吸气时屏气
参考答案：B
The ______ look on her face suggested that she _________ such a result.
A．puzzling; hadn’t expected
B．puzzled; hadn’t expected
C．puzzling; wouldn’t expect
D．puzzled; shouldn’t expect
礼节是礼貌的具体表现，是礼貌在仪表、仪容、仪态及语言、行为等方面的具体要求。
