慢性肺心病心力衰竭时,以下哪种情况下使用强心剂(  )

慢性肺心病心力衰竭时,以下哪种情况下使用强心剂(  )A.感染已控制,利尿剂无效 B.心率大于120次/分 C.明显气急发绀 D.两肺底湿性哕音 E.肺动脉高压

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根据韦伯运输区位法则的一般规律,当原料指数( )时,产品的生产地多设于原料产地。

根据韦伯运输区位法则的一般规律,当原料指数( )时,产品的生产地多设于原料产地。A.大于1 B.接近于0 C.小于1 D.接近于1

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预计7月份总支出为( )千元。

预计7月份总支出为( )千元。A.152400 B.163100 C.168840 D.173320

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Finding a job can be ________ and disappointing, and therefo

Finding a job can be ________ and disappointing, and therefore it is important t

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Small as it is, the ant is as much a creature as ________ al

Small as it is, the ant is as much a creature as ________ all other animals on e

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