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【单选题】
氨基糖苷类药物的代谢与排泄特点是A.
几乎不被代谢,以原形经肾小球滤过
B.
经肾小管分泌排出
C.
经肝微粒体酶氧化灭活
D.
经乙酰化灭活
E.
与葡萄糖醛酸结合后经肾排泄
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】This year we' 11 produce ______ steel as we did last year.
A.
three times as much
B.
as three times much
C.
as much three times
D.
three times much as
【单选题】From the first three paragraphs, we can infer that
A.
the author would prefer playing with his three older siblings to staying with his grandpa.
B.
they were living in the suburbs where there were not too much traffic on the road.
C.
the grandpa was always the one to babysit for the author and his siblings.
D.
the author enjoyed the time that he spent with his grandpa.
【单选题】现测定套管换热器的总传热系数。数据如下:甲苯在内管中流动,流量为 5000kg ·h -1 , 甲苯的比热容为 1.89kJ × kg -1 × K -1 ,进口温度为 80 °C,出口温度为 50 °C;水在环隙中流动,进、出口温度分别为 15 °C和 30 °C。逆流流动,冷却面积为 2.5m 2 。求传热平均温度差和总传热系数
A.
42.06 ， 749.02
B.
38.18 ， 825.06
C.
42.06 ， 825.06
D.
38.18 ， 749.02
【单选题】We talked for morn than three hours without ______ a cup of tea.
A.
to have
B.
having
C.
have
D.
had
【简答题】水平子系统又称为 子系统
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