Vibrating RubberCeliphones

Vibrating rubberceliphones could be the next big thing in mobile communications.They allowpeople to press the phone to transmit vibrations along with their______(51)

words.According to aresearch team at the MIT Media Lab in Cambridge,Massachusetts,the idea will make______(52)more fun.

Many mobile phonescan already vibrate instead of ringing______(53)you do not want people to knowyou are getting a call. "But these______ (54) are too simple for subtle

（敏感的）communication".______(55)Angela Chang of the lab's Tangible MediaGroup."They're either on or off,"she says.

But when you holdChang's rubber cellphone your fingers and thumb wrap around five______(56)speakers. They vibrate______(57)your skin around 250 times per

second.Beneath thesespeakers sit pressure sensors（传感器）,so you can transmit vibration as well as ______(58)it. When yousqueeze with a finger,a vibration signal is

transmitted______(59)your caller's corresponding finger,its speed______(60)on how hard you squeeze.

Chang says thatwithin a few minutes of being given the phones,students were using thevibration feature to______(61)emphasis to what they were saying. Overtime,people

even began totransmit their own kind of ad hoc（特别的）" Morse code " , which they would repeat back to show theywere______(62)what the other person was saying.

Changthinks"vibralanguages"could function for the same______(63)astexting:sometimes people want to communicate______(64)without everyone nearbyknowing what

they'resaying."And______(65)actually being able to shake someone's hand when youclose a business deal,"she says._________(57)

A.on

B.above

C.over

D.against