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【单选题】
( )系指在一些可能存在的组分(如杂质、降解物辅料等)存在时,采用的方法对被测物的特性准确可靠测定的能力。A.
精密度
B.
专属性
C.
线性
D.
定量限
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举一反三
【简答题】看图写单词。 a. __________ b. __________ c. __________ d. __________
【单选题】If the interest rates decline, one can expect that __________.
A.
prices of the bonds will usually be up
B.
prices of the bonds will usually be down
C.
prices of the bonds will usually remain the same
D.
prices of the bonds may be up or may be down, because the price of bond has no relation with the interest rate
【简答题】看图填空。 This is the ____________. a. ____________ b. ____________ c. ____________ d. ____________
【简答题】翻译下面段落 Eating habits refer to why and how people eat, which foods they eat, and with whom they eat. People eat in order to survive and according to learned behavior , including etiquette, meal pat...
【简答题】看图计算 A______+______=______； B______+______=______； C______-______=______； D______-______=______．
【简答题】看图填空： ɑ：b=______：______．
【简答题】尝试翻译下面段落:电路原理 Active electrical elements occur in tow basic forms: voltage sources and current sources. In their ideal form, voltage sources generate a constant voltage independent of the current draw...
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【简答题】看图填空。 This is the ____________. a. ____________ b. ____________ c. ____________ d. ____________