临床上功能性失检诊断要点为()
A.突然失声或仅能耳语
B.青年女性
C.咳嗽时发声良好
D.情绪激动后出现
E.喉镜检查声带外展位
参考答案:C
— Do you know _____ woman in pink over there?
— Yes. She is _____ office worker of Lijing Hotel. [ ]
A. a; an
B. the; the
C. a; the
D. the; an
计算题:求一段10Cm长的∮12.7*0.38的管坯的内表面积(∏取3.14)?