英语选修7人教新课标unit2四川精品
教案（1）
unit 2 robots
《美文阅读》
robotic age draws closer
随着科技的发展，机器人时代的到来已经指日可待了。
these days，robots are more common than you might think.consider the roomba，a robotic vacuum(吸尘器)which cleans floors on its own.
“we wanted to make something simple that people could use every day，”says greiner，co-founder of irobot，the company
