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請根據(jù)題意回答下列問題:()實驗室里有兩瓶失去標簽的無色液體,分別是酒精和過氧化氫溶液。你怎樣把它們鑒別出來,說說你的方法。____________________________
答案:
(1) 洗臉水擦地;淘米水澆花等 (2) 聞氣味或點燃或加熱
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This is tower __ hundreds of yersgo.being builtB.buildC.builtD.hving builtThis is tower __ hundreds of yersgo.being built B.build C.built D.hving built
A.being builtB.buildC.builtD.having built
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The main tower of the Tower of London is built by ___________________ ten years after he conquered England. ()
答案:
["William the Conqueror; William; King William; Duke of Normandy"]
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