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  3. Squishy Cellphones Add a Buzz to Calls Vibrating rubber could be the next big thing in mobile communications. They allow peo

Squishy Cellphones Add a Buzz to Calls Vibrating rubber could be the next big thing in mobile communications. They allow peo

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问题                     Squishy Cellphones Add a Buzz to Calls
    Vibrating rubber could be the next big thing in mobile communications. They allow people to communicate by squishing the phone to transmit 【C1】______along with their spoken words. According to a research team at the MIT Medical Lab in Cambridge, Massachusetts, the idea will make【C2】______more fun.
    Many mobile phones can already be made to vibrate(振动)【C3】______ring when you do not want people to know you are getting a call. But these vibrations, 【C4】______by a motor spinning an eccentric(离心的、偏离的)weight inside the device, are too crude for subtle communication, says Angela Chang of the lab’s Tangible Media Group. "They’re【C5】______on or off, " she says.
    But when you grip Chang’s prototype(样机)latex(橡胶)cellphone, your fingers and thumb wrap around five 【C6】______speakers. They vibrate 【C7】______your skin around 250 times per second. Beneath these speakers sit pressure sensors, so you can transmit vibration as well as 【C8】______it. When you squeeze with a finger, a vibration signal is transmitted 【C9】______your caller’s corresponding finger. Its【C10】______depends on how hard you squeeze.
    She says that within a few minutes of being given【C11】______the phones, students were using the vibration feature to add emphasis to what they were saying or to interrupt the other speaker. Over time, people even began to transmit their【C12】______kind of ad hoc(特别的) "Morse code" , which they would repeat back to show they were following what the other person was saying. " It was pretty easy to communicate, though we didn’t specifically pre-arrange 【C13】______, " says David Milovich, one of the students who tried out the device.
    Chang thinks "vibralanguages" could【C14】______for the same reason as texting: sometimes people want to communicate something【C15】______everyone nearby knowing what they are saying. " And imagine actually being able to shake someone’s hand when you close a business seal, " she says.
【C13】
选项 A、codes
B、systems
C、wave bands
D、call time
答案A
解析 既然前文已经提到了所谓的“Morse Code”，所以当作者接下来去谈论这种新型手机的操作并没有事先特别的约定时，就会很自然地使用code这个关键词，以便跟前文相照应，故选A。
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