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【简答题】
小刚同学在做“观察水的沸腾”的实验时，有下列温度计可供选择： A、体温计（35℃～42℃）； B、家用寒暑表（﹣30℃～60℃）； C、水银温度计（量程为﹣10℃～110℃）； D、酒精温度计（量程为﹣80℃～78℃）各一支． （1）根据这个实验的要求，用哪支温度计？答： _________ ． （2）如果小刚同学为了准确读出温度计的示数，将温度计从沸水中拿出来进行观察读数，则会导致测量值比真实值 _________ （填“偏大”或“偏小”），这是不允许的． （3）水沸腾的时候，是在液体 _________ 和 _________ 同时进行的剧烈的汽化现象．水沸腾前温度计的示数在不断 _________ ，水沸腾后继续加热，温度计的示数 _________ ．（填“升高”、“不变”、“降低”） （4）如下表该同学沸腾时测得的温度为 _________ ℃，表示当时大气压 _________ （填“低于”、“高于”、“等于”）1个标准大气压，请在图中描出水的温度随时间变化的曲线．
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举一反三
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A.
Desperate
B.
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