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【单选题】
关于药物通过生物膜转运特点的正确表述是A.
被动转运的物质可由高浓度区向低浓度区转运，解离度小，脂溶性大的药物可通过简单扩散吸收
B.
一些生命必需物质和有机酸、碱等弱电解质的离子型化合物都能通过被动扩散吸收
C.
膜动转运具有结构特异性，如单糖、氨基酸、嘧啶及某些维生素都有本身独立的转运特性
D.
扩散的转运速率低于被动扩散
E.
胞饮作用对于蛋白质和多肽的吸收不重要
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举一反三
【单选题】In the same culture, ______.
A.
people have different ability to understand and express feelings
B.
people may have the same understanding of something
C.
people never fail to understand each other
D.
people are equally intelligent
【单选题】某公司年末结账前“应收账款”科目所属明细科目中有借方余额50 000元，贷方余额20 000元；“预付账款”科目所属明细科目中有借方余额13 000元，贷方余额5 000元；“应付账款”科目所属明细科目中有借方余额50 000元，贷方余额120 000元；“预收账款”科目所属明细科目中有借方余额3 000元，贷方余额10 000元；“坏账准备”科目余额为0。年末资产负债表中“预收账款”项目和“预付...
A.
53 000 元和125 000元
B.
63 000 元和53 000元
C.
30 000 元和63 000元
D.
47 000 元和115 000元
【单选题】— You know that you were driving at 100 kilometres an hour, _____? — No, officer, I couldn't have been. This car can't do more than 80. [ ]
A.
don't you
B.
weren't you
C.
did you
D.
are you
【单选题】The colors on the national flags can be ______ differently in different culture, but they have one thing in common, that is, ______of the colours was carefully chosen.
A.
translated; every
B.
explained either
C.
represented ; all
D.
interpreted; each
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