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【单选题】
在分光光度法测定中,如果其他试剂对测定无干扰时,一般常选用最大吸收波长作为测定波长,这是由于:A.
灵敏度高
B.
选择性好
C.
准确度好
D.
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反馈参考答案：
举一反三
【单选题】Social control refers to social processes, planned or unplanned, by which people are taught, persuaded, or forced to conform. to norms. In every society, some punishments or negative sanctions are est...
A.
norms are developed
B.
norms are enforced
C.
people are educated and trained
D.
people are rewarded and punished
【简答题】Qu'est-ce que tu ___________(lire)?
【简答题】Qu'est-ce que tu ( écrire)?
【单选题】His father _______ English here since he graduated from Peking University.
A.
has taught
B.
teaches
C.
taught
D.
had taught
【简答题】I like these English songs and they ________many times on the radio. A．taught B．have taught C．are taught D．have been taught
【简答题】第2题 作业2-矩阵2.ppt
【简答题】第1题 作业5-矩阵(线性方程组)1.ppt
【简答题】第1题 作业3-矩阵1.ppt
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