结核性腹膜炎的主要感染途径是()
A.经口
B.经血液
C.经淋巴液
D.腹腔病变直接蔓延
E.腰椎病变直接蔓延
参考答案:D
— ____.
— Thank you. I certainly will.
A.Happy birthday to you
B.Let me help you with your English
C.Please remember me to your grandparents
D.Don’t forget to post the letter
X线的波长长短与下列有关的量是()
A.管电流
B.灯丝加热电压
C.电源电压
D.毫安秒
E.管电压