[单项选择]Matt mason, as director of the Robotics Institute at Carnegie Mellon University has seen the future of our kitchens. Mason likes thinking (67) how machines can make our lives easier by taking (68) the tasks, like mopping, and cleaning, which we (69) . When it comes to the kitchen, he’s (70) that within just a few decades, robots will (71) it by doing most of the (72) work and freeing us to sit back and (73) . "Right now we think of the kitchen (74) a place for chores," says Mason. "But maybe we’re in the (75) of discovering it as a place we can enjoy." So (76) you really, really love to clean, you won’t have to. The (77) has already begun. Recently, iRobot, the company that gave us the Roomba vacuum, invented Scooba--a robot that not only (78) but also wet-scrubs and dries floors all at (79) . The automatic floor cleaners of the future could (80) many different
A. experiments
B. developments
C. investments
D. movements