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【单选题】
男 ,65 岁。急性前壁心肌梗死 3 小时,既往有高血压、糖尿病病史,平时血压 140~ 150/ 70~ 80mmHg 。查体 : BP90/ 70mmHg, 双肺呼吸 , 心率 85 次 / 分 , 律齐。该患者血压降低的最可能原因是A.
主动脉壁硬化
B.
大动脉弹性降低
C.
心脏每搏输出量降低
D.
心率降低
E.
外周阻力降低
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举一反三
【单选题】He must _____ his sister with her math. [ ]
A.
try help
B.
trying to help
C.
trys to help
D.
try to help
【单选题】Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated by the servlet to the JSP...
A.
Store the data in a public instance variable in the servlet.
B.
Add an attribute to the request object before using the request dispatcher.
C.
Add an attribute to the context object before using the request dispatcher.
D.
This CANNOT be done as the tag handler has no means to extract this data.
【简答题】He squeezed his sister too and gave her agentle push.
【简答题】内部融资的成本主要是机会成本和直接的财务成本。( )
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