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- 問題詳情：三個數a=0.32，b=log20.3，c=20.3之間的大小關係是（）A．a＜c＜b B．a＜b＜c C．b＜a＜c D．b＜c＜a【回答】C【考點】指數函數單調*的應用．【分析】將a=0.32，c=20.3分別抽象為指數函數y=0.3x，y=2x之間所對應的函數值，利用它們的圖象和*質比較，將b=log20.3，抽象為對數函數y=log2x，利用其圖象可知小於...
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![如圖，a、b是兩根碳棒．以下敍述正確的是（ ）A．a是*極，發生還原反應 B．b是負極，發生氧化反...]( "如圖，a、b是兩根碳棒．以下敍述正確的是（ ）A．a是*極，發生還原反應 B．b是負極，發生氧化反...")
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- 25668
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- 8024
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- 9032
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- 22512
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- 22839
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- 24592
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- 6036
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- 32369
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- 9322
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- 14395
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- 5053
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中文谷
