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25《学习任务书2.25》
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举一反三
【简答题】紫外一可见分光光度法用于药物的含量测定,主要有 法、 法、 法和计算分光光度法。
【简答题】*# calculator
【单选题】The world price of a simple electronic calculator is $5.00. Before Zimbabwe allowed trade in calculators, the price of a calculator there was $7.50. Once Zimbabwe began allowing trade in calculators w...
A.
importing calculators and the price of a calculator in Zimbabwe decreased to $5.00.
B.
importing calculators and the price of a calculator in Zimbabwe remained at $7.50.
C.
exporting calculators and the price of a calculator in Zimbabwe decreased to $5.00.
D.
exporting calculators and the price of a calculator in Zimbabwe remained at $7.50.
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