胆汁中参与脂肪消化和吸收作用的成分是(  )

胆汁中参与脂肪消化和吸收作用的成分是(  )A.碳酸氢盐 B.胆盐 C.胆固醇 D.胆色素 E.磷脂酰胆碱

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下列关于腹部触及一包块的叙述,正确的是(  )

下列关于腹部触及一包块的叙述,正确的是(  )A.应注意包块的部位、大小、形态、质地、压痛、活动度、有无搏动及与腹壁的关系 B.应注意包块的大小、有无血管杂音、

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Which of the following was true of the localAfrican slavery?

Which of the following was true of the localAfrican slavery?A.Slaves might have

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在深水和深基坑、流速较大的坚硬河床进行基础工程施工时,应采用(  )围堰。

在深水和深基坑、流速较大的坚硬河床进行基础工程施工时,应采用(  )围堰。A.土 B.土袋 C.钢丝笼 D.板桩

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The only way to reverse the worseningsituation seems to be

The only way to reverse the worseningsituation seems to beA.a policy of graduali

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