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【单选题】
体液pH也能影响药物的分布,生理情况下细胞内液pH约为7.0,细胞外液约为7.4。弱酸性药物在酸性环境下 ,易透过细胞膜,因此在细胞内的浓度低于细胞外液;弱碱性药物则相反。升高血液pH可使弱碱性药物向细胞 转移,弱酸性药物向细胞 转移 。A.
少，外，内
B.
多，外，内
C.
少，内，外
D.
多，内，外
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举一反三
【单选题】The student insisted that he _____ nothing wrong and would never _____ the teacher. [ ]
A.
had done; give in
B.
had done; give in to
C.
should do; give away
D.
should do; give up
【单选题】Although he had done many great things, he never felt it necessary to______his achievements.
A.
lavish
B.
extravert
C.
impose
D.
vaunt
【单选题】He'd never have done such a thing if he had been ______at that crucial moment.
A.
in his right mind
B.
in two minds
C.
of one mind
D.
on his mind
【简答题】中小学生的文学阅读包括()及鉴赏性阅读、借鉴性阅读、探究性 阅读等多种方式。 A、积累性阅读 B、浏览性阅读 C、理解性阅读 D、拓展辐射性阅读
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