题目

It was one of the hottest days of the dry season．We had not seen   1   for almost a month．The crops were dying．If it didn’t rain soon，we would lose everything． At noon，when I was   2   making lunch，I saw my five-year-old son，Billy，  3   towards the woods．Minutes later，he ran back and then   4   walked towards the woods．This action--walking carefully to the woods and running back to the house，went on for nearly an hour． Finally I couldn’t take it any longer and decided to follow him．As I entered the woods，I saw the most  5   sight．Two larg生活中的下列现象，用分子的相关知识加以解释，其中不正确的是A．室内插花，满室飘香，说明分子不断地运动B．热胀冷缩，说明分子大小随温度而改变C．10mL酒精和10mL水混合后，体积小于20mL，说明分子之间有间隔D．湿衣服放在火炉旁，干得较快，说明分子运动速率随温度升高而增大