题目

 小艾同学在妈妈买回的某食品包装内发现有一包白色颗粒状固体A的小纸袋，上面写着“生石灰干燥剂，请勿食用”。小艾同学随手将小纸袋放在窗台上，过一段时间后发现纸袋内的白色颗粒粘在一起成为块状固体B。小艾同学请你和同学们一起对块状固体B进行探究。 （1）猜想一：块状固体B中除氧化钙外，还可能有                   （写两种）； （2）猜想二：块状固体B溶于水可能有             现象（填“放热”或“吸热”）。 第Ⅱ卷（非选择题，共35分）第四部分 写作（共两节，满分35分）第一节 短文改错（共10小题；每小题1分，满分10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（^）。并在其下面写出该加的词。删除：把多余的词用斜线（/）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1．每处错误及其修改均仅限一词； 2．只允许修改10处，多者（从第11处起）不记分。With society develops, the number of Chinese families who own their cars are increasing. Everyone knows we can get to anywhere easily and quickly in a car. This makes life much easier and, what’s more, the production of automobiles play an important role in the development of Chinese economy.However, cars also cause pollution. Poisonous gases from cars are a really danger to the environment and very bad for people’s health. Own one’s own car, therefore, has both advantages and disadvantages.We would all like see everyone owning a private car, we should take measure to protect our environment as well. We should take public transport to our work, or if we have enough time, ride a bike.