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【单选题】
Squishy (可挤压的)Cellphones Add a Buzz (振动声) to Calls Vibrating rubber cellphones could be the next big thing in mobile communication.They allow people to communicate by squishing the phone to transmit __ (1) along with their spoken words. According to a research team at the MIT Media Lab in Cambridge, Massachusetts, the idea will make __ (2) more fun. Many mobile phones can already be made to vibrate __ (3) ring when you do not want people to know you are getting a call.But these vibrations(振动),__ (4) by a motor spinning an eccentric(离心的,偏轴的) weight inside the device, are too crude for subtle communication, says Angela Chang of the lab's Tangible Media Group.'They are__ (5) 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 __ (6) speakers.They vibrate__ (7) your skin around 250 times per second. Beneath these speakers sit pressure sensors(传感器), so you can transmit vibration as well as __ (8) it.When you squeeze with a finger, a vibration signal is transmitted __ (9) your caller's corresponding finger.Its __ (10) depends on how hard you squeeze. She says that within a few minutes of being given __ (11) 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 __ (12) kind of ad hoc(专门的) 'Morse Code' (摩尔斯电码), 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 __(13),' says David Milovich, one of the students who tried out the device. Chang thinks 'vibralanguages' could__(14) for the same reason as texting(发短信) : Sometimes people want to communicate something __ (15) everyone nearby knowing what they're saying.'And imagine actually being able to shake someone's hand when you close a business deal,' she says. 第 51 题
A.
voices
B.
messages
C.
vibrations
D.
feelings
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【简答题】简述抽象类和接口的区别。
【单选题】药材延胡索的原植物科名和药用部位是()
A.
唇形科,根茎
B.
百合科,块根
C.
毛茛科,根
D.
罂粟科,块茎
E.
豆科,块根
【单选题】延胡索的原植物科名和药用部位是()
A.
罂粟科,块茎
B.
豆科,块根
C.
苋科,根
D.
百合科,块根
E.
唇形科,根茎
【单选题】通信自由和通信秘密受保护属于我国公民的( )权利。
A.
政治自由
B.
人身自由
C.
文化教育
D.
社会经济
【单选题】交流接触器的线圈可以接在直流电源上吗?
A.
不确定
B.
可以
C.
不可以
【单选题】延胡索的原植物科名和药用部位是:
A.
唇形科,根茎
B.
百合科,块根
C.
毛茛科,根
D.
罂粟科,块茎
E.
麻黄科,草质茎
【判断题】公畜的睾丸是产生精子的器官,附睾是贮存精子以及精子进一步成熟的器官。 ( )
A.
正确
B.
错误
【单选题】交流接触器的线圈可以接在直流电源上吗?
A.
不确定
B.
可以
C.
不可以
D.
可接脉冲电源
【单选题】交流接触器的线圈可以接在直流电源上吗?
A.
不确定
B.
不可以
C.
可以
D.
以上都不对
【判断题】公畜的睾丸是产生精子的器官,附睾是贮存精子的器官。
A.
正确
B.
错误
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