...UNIT 6 Earth first 课时跟踪检测(三)Developing ideas 外研版...
aintroducing the topic.bdescribing the situation.cadvertising smart homes.dputting forward the authors opinion.解析:选a推理判断题。通读第一段可知,该段介绍了一种情况,即拥有智能家居的人在外时可以控制家里电灯的开关;接着第二段第一句“over the last few years, smart home technology has become more ...