题目

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31～40的相应位置上。 Here in China, as the awareness of climate change improves, realizing a low-carbon way of life, also known as reducing your carbon footprint, is a growing trend amongst young Chinese. Zheng Xiyu works at  31  office in Beijing’s Central Business District. Every day, it takes her roughly 40 minutes to go to work by bus. But she  32  (think) of switching to a d如图所示，一细光束射到平面镜MM'的O点处，请根据光的反射规律画出它的反射光线，标明反射角大小．