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【简答题】
连续监测法测定血清碱性磷酸酶 ALP 活性。按表 操作: 表 碱性磷酸酶 ALP 的测定 加入物( ml ) 空白管 (B) 测定管 (T) 血清 / 0.02 D.W. 0.02 / 4NPP 试剂 1.0 1.0 混匀,室温 405nm 处,立即用 0.5cm 的比色皿分别在第 1 、 2 、 3 、 4 分钟时,读取各吸光度值 A 1 、 A 2 、 A 3 、 A 4 如下: A 1 0.505 0.600 A 2 0.511 0.633 A 3 0.515 0.665 A 4 0.520 0.690 已知 4NP 的 毫摩尔吸光系数为 18.5L· cm - 1 ·mmol - 1 , 血清管 吸光度测定过程处于线性期。试求血清 ALP 含量。要求写出详细计算过程。
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A.
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B.
Though
C.
Despite
D.
While
【简答题】_________(直到他完成使命)did he realize that he was seriously ill.
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C.
firm is paying too high an interest rate.
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firm is using the optimal level of debt.
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A.
as
B.
that
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which
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it
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A.
/;Although
B.
Although;/
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Although;but
D.
Though;but
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A.
正确
B.
错误
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A.
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