共用题干 Squishy Cellphones Add a Buzz to CallsVibrating rubber could be the next big thing in mobile communications.They allow people to communicate by squishing the phone to transmit_______(51)along with their spoken words. According to a research team at the MIT Medical Lab in Cambridge,Massachusetts,the idea will make_______(52)more fun.Many mobile phones can already be made to vibrate(振动)_______(53 ) ring when you do not want people to know you are getting a call. But these vibrations,_______(54)by a motor spinning an eccentric(离心的、偏离的)weight inside the device, are too crude for subtle com-munication,says Angela Chang of the lab's Tangible Media Group.“They're_______(55)on or off,”she says.But when you grip Chang's prototype(样机)latex(橡胶)celiphone,your fingers and thumb wrap around five_______(56)speakers. They vibrate_______(57)your skin around 250 times per second.Beneath these speakers sit pressure sensors,so you can transmit vibration as well as_______(58)it. When you squeeze with a finger,a vibration signal is transmitted _______(59)your caller's corresponding finger. Its_______(60)depends on how hard you squeeze.She says that within a few minutes of being given_______(61)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_______ (62) 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 _______(63),”says David Milovich,one of the students who tried out the device.Chang thinks“vibralanguages”could_______(64)for the same reason as texting:some-times people want to communicate something_______(65)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. 51._________
A.voices B.messages C.vibrations D.feelings正确答案C
