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八年级物理上册4.2《探究汽化和液化的特点》预习检测（新版）粤教沪版.doc

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探究汽化和液化的特点预习检测一、选择题1、在教室的地面上洒水会感到凉爽，是因为（ ）A、水液化吸热B、水液化放热C、水汽化吸热D、水汽化放热3、下列实例中，为了加快蒸发的是（ ）A、用地膜覆盖农田B、给盛有饮料的瓶子加盖C、把湿衣服晾在通风向阳处D、把新鲜的樱桃装入保鲜盒3、在探究蒸发的快慢与哪些因素有关的实验中，下图主要用来探究（ ）A、蒸发的快慢与液体温度的关系B、蒸发的快慢与气压的关系C、蒸发的快慢与液体表面积的关系D、蒸发的快慢与空气流动速度的关系参考答案一、选择题1、C2、B3、A

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