![如圖，a、b是兩根碳棒．以下敘述正確的是（ ）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．以下敘述正確的是（ ）A．a是*極，發生還原反應 B．b是負極，發生氧化反...")
- 問題詳情：如圖，a、b是兩根碳棒．以下敘述正確的是（ ）A．a是*極，發生還原反應 B．b是負極，發生氧化反應C．滴加*酞試液，b極附近溶液顏*變紅D．銅片上的電極反應式是：Cu2++2e→Cu【回答】C知識點：電化學膠體題型：選擇題...
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![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...]( "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...")
- 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】指數函式單調*的應用．【分析】將a=0.32，c=20.3分別抽象為指數函式y=0.3x，y=2x之間所對應的函式值，利用它們的圖象和*質比較，將b=log20.3，抽象為對數函式y=log2x，利用其圖象可知小於...
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![A.A B.B C.C D.D]( "A.A B.B C.C D.D")
- 問題詳情：A.A B.B C.C D.D【回答】【*】B【解析】A、是節約用水的標誌，錯誤；B、是“用後必須洗手”標誌，正確；C、是禁止飲用的標誌，錯誤；D、是腐蝕品標誌，錯誤。故選B。點睛：熟悉各種標誌表示的含義是解題關鍵。知識點：各地會考題型：選擇題...
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- 問題詳情： Brownswerehavingdinnerwhenthetelephonerang. A.A B.An C.The D./ 【回答】C知識點：冠詞題型：選擇題...
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- 問題詳情：Doyoulikeshorts? Yes,shorts myfavourite . A.are,clothes B.are,cloth C.is,clothes D.is,cloth【回答】A知識點：名詞題型：選擇題...
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- 問題詳情：—Healthismoney.—ButIthinkitis money. A.asimportantasB.moreimportantthanC.soimportantthan D.thesameas【回答】B知識點：形容詞比較級題型：選擇題...
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- 問題詳情：____numberofbookssoldthismonth_____2000.A.A;hasreached B.The;hasreached C.A;havereached D.The;havereached【回答】B知識點：主謂一致題型：選擇題...
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- 問題詳情：YesterdayIsaw film.Itmovedmedeeply. A.a B.an C.the D./【回答】A知識點：冠詞題型：選擇題...
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中文谷
