左心功能不全时下述哪项改变最迟出现（）
A.右房压增高
B.心排血量下降
C.肺动脉楔压升高
D.肺动脉压升高
E.体循环阻力增高
参考答案：A
MMPI中，一般不做编码分析的临床量表包括（）。
A.Hs
B.Hy
C.Mf
D.Si
— Her uncle ___ to New York now, he ___ there twice. He’ll be back tomorrow.
A．has gone, has been
B．has been, has been
C．has gone, has gone
D．has been, has gone
