分析 二氧化碳是一种温室气体,它使地球变得温暖.为了保护我们的环境,我们需要少产生二氧化碳.例如少看电视,把你的衣服晒在阳光下.尽力减少洗澡时间.
解答 51.A理解判断题.根据Carbon dioxide is a greenhouse gas(温室气体).Greenhouse gases make the Earth become warm.To protect our environment,we need to leave less of a"carbon footprint".可知温室气体对环境是有害的,故选A.
52.B理解判断题.根据To protect our environment,we need to leave less of a"carbon footprint".可知二氧化碳越多,对环境越不好,故选B.
53.A理解判断题.根据Dry your clothes in the sun instead可知利用太阳能代替电是个好主意,故选A.
54.B 理解判断题.根据If you take an eight-minute shower every day,you produce 616kg of CO2 a year.可知如果你每天花八分钟的淋浴,你一年产生的二氧化碳是616kg,故选B.
55.A理解判断题.根据文章Living areas;Laundry room(洗衣房);Bathroom中介绍如何减少二氧化碳的排放的这些事情都是身边的小事,故选项A中的我们日常生活中的小事会对环境造成很大的影响这句话是正确的,故选A.
点评 做题时首先要仔细阅读短文,掌握大意,然后结合具体的题目,找出相关信息,就可以确定正确答案.
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