下列因素中能影响物体在平面镜中成像大小的是（   ）

    Hi, I am Susan. I am from the U. K. But now I'm studying(学习) in China. I'm going to do many things in the winter holiday. First, I'm going to finish my homework. Then I'm going to take a trip. I'm going to Beijing. It's snowy in Beijing. There is white snow everywhere. So I'm going to make a snowman. I can ski. My parents will come to China with me. We are going to fly there. We are going to have a nice trip.

根据短文内容判断正误。

【维护正义】
材料一 在公交车上，青年马某发现小偷正在偷乘客的东西，大声喊抓小偷，并和其他乘客一起制服小偷。
材料二 在放学路上，中学生陈某发现有几个社会青年在敲诈小同学，他想：“和自己无关。“悄悄走开了。

低碳减排，从我做起，从身边小事做起。下列不符合“低碳生活”的做法是