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【单选题】

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 forms, explains Dan Kafa, president of Robotics Trends, which tracks (81) in automation. His speculation(想象) is that a floor-cleaning system is (82) into the wall and blows debris (碎片) to a part of the room where it’s (83) up by a vacuum. Then the system sprays the (84) with a kind of solution, and it’s mopped up by an arm with a sponge attached. "This is (85) speculation, of course," Kara admits, "but you could (86) it to come on at 3 a.m. , and it would just wet-mop the floor for you.\

A.
dominate
B.
clean
C.
realize
D.
decorate
题目标签:碎片
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【单选题】In July 1994 Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet (彗星). When the fragments (碎片) landed in the southern part of the giant planet, the explosions were watc...

A.
give an accurate description of the possible disaster in the future
B.
prove that humans will sooner or later be destroyed
C.
tell the historical development of the Earth
D.
warn of a possible disaster in the future

【单选题】眼球内细小玻璃碎片属于()

A.
不透性异物
B.
半透性异物
C.
透光性异物
D.
金属性异物
E.
磁性异物

【单选题】下列哪一结构是由破损的内质网碎片所形成

A.
中心体
B.
微粒体
C.
基粒
D.
核小体
E.
过氧化物酶体