One morning in the year 2025, you’re running lately. You 【S1】______ got distracting watching the music video playing

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问题     One morning in the year 2025, you’re running lately. You           【S1】______
got distracting watching the music video playing in the corner         【S2】______
of your bathroom mirror while brush your teeth. How will you
get to your office on time?
    A quick check of your Internet-connected refrigerator
magnet tells you your train which travels in a speed of 250            【S3】______
miles an hour is a bit behind schedule, too. So you decide to
drive your environmentally hydrogen fuel cell car instead --would
rather, let your car drive you. It’s programmed to know                【S4】______
the way, and it will get you there without speeding, get lost, or      【S5】______
crashing.
    Settling into your office chair, which changes color to
match which you’re wearing, you pick up yesterday morning’s            【S6】______
newspaper. Printed on reusable electronic paper, it instantly
rewrites itself with today headlines. Now it’s time for your big       【S7】______
meeting. Uh-oh! You’ve forgotten your handwritten notes at             【S8】______
once. No problem.
    The digital ink pen you used has stored an electronic
copy of what you wrote.
    Your wristwatch videophone suddenly rings. Your best
friend’s face pops up on the organic light-emitting screen
asking what you’re doing this weekend. He suggests you will            【S9】______
take the new nanotube elevator (made of microscopic fibers
many times stronger than steel) 60,000 miles into space.
    Could this scene really take place in just a couple of
decades? The researchers who are currently developing all this
stuff think so. These gadgets may be such common in 20 years           【S10】______
as cell phones are today.
【S3】

选项

答案in→at

解析 介词错误。“以……的速度”应是at a speed of,所以应将in改为at。
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