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【单选题】
关于PTH作用的叙述以下错误的是A.
对骨的作用是促进溶骨
B.
对肾的作用是促进钙重吸收
C.
抑制肾小管对磷的重吸收
D.
对小肠的作用是促进钙的吸收
E.
对维生素D的作用是降低25-(OH)D3-1α-化酶的活性
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举一反三
【简答题】SQL查询语句的Where子句中可以使用范围运算符指定查询范围,当要查询的条件是某个值的范围时,可以使用( )或( )关键字。
【单选题】Frames are important in negotiation because
A.
they allow parties to develop separate definitions of the issues.
B.
they can be avoided.
C.
disputes are often nebulous and open to different interpretations.
D.
do not allow negotiators to articulate an aspect of a complex social situation.
【单选题】Frames are important in
negotiation because
A.
they allow parties to develop separate definitions of the issues
B.
they can be avoided
C.
disputes are often nebulous and open to different interpretations
D.
do not allow negotiators to articulate an aspect of a complex social situation
E.
all of the above
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