面关于接收机的描述哪个是正确的()
A、APD接收机灵敏度比PIN接收机低
B、PIN接收机灵敏度比APD接收机低
C、APD接收机过载点比PIN接收机高
参考答案:A
The TV play I watched last night is the best one___I have watched this year. [ ]
A. which
B. what
C. whose
D. that
某患者,男,68岁。喘咳短气,痰多稀白,胸膈满闷,腰痛脚软,双下肢略有水肿,舌苔白滑,脉弦滑。治宜选用()
A.肾气丸
B.二陈汤
C.定喘汤
D.小青龙汤
E.苏子降气汤