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【单选题】
关于高输出量性心力衰竭下列哪项概念是错误的?A.
心输出量比心力衰竭前有所降低
B.
心输出量可稍高于正常水平
C.
外周血管扩张
D.
回心血量增多
E.
动一静脉血氧含量差增大
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A.
budget
B.
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C.
schedule
D.
deadline
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【单选题】“The president made a brilliant decision, didn’t he?” “Yes, he did. I don’t know what I would have done if I____to make that decision.”
A.
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B.
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C.
have had
D.
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A.
was to become
B.
becomes
C.
is to become
D.
became
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