题目

书面表达我们都知道美国登山运动员Aron Ralston, 他的故事令人感动， 激励人心。在我们身边， 一定也有那么一些人和事，鼓舞我们。请以“The Person Encouraging Me” 为题， 写一篇不少于80词的英语短文。基本情况年龄、职业、外貌……品质特征勇敢、善良、勤奋……(任选其一)具体事例…… 答案：【答案】The Person Encouraging MeMy friend Daniel encourages me a lot in many ways. Now let me tell you something about him. He comes from America. Now he and I are in the same school in China. He has a round face and often wears a pair of glasses. He has many good personalities. He is helpful. He often helps his classmates with the homework, and also helps the old people cross the road. He wo请根据右图两个实验回答问题：（1）A实验说明二氧化碳具有哪些性质（写出一点即可）?写出其中发生反应的化学方程式。（2）为什么用B实验无法验证质量守恒定律？