2014
高考英语阅读理解精英定时系列练习题（24）及答案《2013河南省长葛市模拟》d do you forget to turn off the lights and heaters when you go out of a room? in 2040 it will not matter. they will turn themselves off—and on again when you return. you will choose the temperature for each room, the lighting and the humidity. a sensor(传感器) will find the presence of a human (and, wit
