Ⅰ.阅读理解(建议用时16′)
A
[2015·哈六中期中考试]Life is so much simpler these days. Everything revolves around a single button! With the introduction of washing machines, washing clothes became easier. The machines would dry clothes at least 70 to 80 percent and already halfdried clothes would be done in no time. Do you want to know how washing machines evolved?