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  3. There is now a new keychain device that lets people turn off most TVs anywhe

There is now a new keychain device that lets people turn off most TVs anywhe

游客2025-03-27  10
问题     There is now a new keychain device that lets people turn off most TVs anywhere—from airports to restaurants. And it is selling faster than  (41)  , "I thought there would just be a few sales, but we can’t  (42)  demand," said inventor Mitch Altman of San Francisco, U.S. "I didn’t know there were so many people who wanted to turn TVs off."
    Hundreds of orders for Airman’s US$14.99 TV-B-Gone device poured in last week. The tiny remote control device had been  (43)  in Wired magazine and other online-media outlets.  (44)  , the unexpected attention overloaded the Website of his company, Cornfield Electronics, and caused it to  (45)  .
    The keychain device works like a  (46)  remote control—but it only turns TVs on or off. With a push of the button, it goes through a  (47)  of about 200 infrared (红外线的) codes that control the power of about 1,000 television models. Altman said the majority of TVs should  (48)  within 17 seconds. It takes a little more than a minute for the device to  (49)  all the trigger codes.
    The 47-year-old Altman got the idea for TV-B-Gone a decade ago. He was out with friends at a restaurant and they found themselves all  (50)  by the TV, but no one was around to turn it off. [br]
选项 A、string
B、flock
C、school
D、fleet
答案 A
解析 A项a string of“一连串”；B项a flock of“一群(通常形容鸟或指人群)”：C项a school of“(鱼、鲸等的)群”；D项a fleet of“机群，公共车队，计程车队等”。由上下文可知，正确答案是A。
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