久病咳喘，胸闷心悸，乏力少气，自汗声低，舌淡脉弱。其证候是
A．肺肾气虚B．肺气虚C．脾肺气虚D．心肺气虚E．肾气不固
参考答案：D
肠瘘瘘口的负压引流管的负压应维持在()。
A．1.5～2kPa
B．2～3.2kPa
C．3～4kPa
D．4～6.6kPa
E．7～8.5kPa
Please be advised that my radio transmitter broke downn and needs（）.
A.repair
B.repairing
C.to repair
D.be repaired
