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【简答题】
For Conversation Press # 1 I’ve got a cell phone, e-mail and voice mail. But why am I so lonely? A funny thing happened on the way to the communications revolution: we stopped talking to one another. I was walking in the park with a friend recently, and his cell phone rang, interrupting our conversation. There they were, talking and talking on a beautifully sunny day and I became invisible, absent from the conversation. The park was filled with people talking on their cell phones. They were passing other people without looking at them, saying hello, noticing their babies or stopping to pet their puppies. Evidently, the cordless electronic voice is preferable to human contact. The telephone used to connect you to the absent. Now it makes people sitting next to you feel absent. Recently I was in a car with three friends. The driver hushed the rest of us because he could not hear the person on the other end of his cell phone. There we were, four friends zooming down the highway, unable to talk to one another because of a gadget designed to make communication easier. Why is it that the more connected we get, the more disconnected I feel? Every advance in communications technology is a setback to the intimacy of human interaction. With e-mail and instant messaging over the Internet, we can now communicate without seeing or talking to one another. With voice mail, you can conduct entire conversations without ever reaching anyone. If my mom has a question, I just leave the answer on her machine. As almost every conceivable contact between human beings gets automated, the alienation index goes up. You can’t even call a person to get the phone number of another person any more. Directory assistance is almost always fully automated. Pumping gas at the station? Why say good morning to the attendant when you can swipe your credit card at the pump and save yourself the bother of human contact? Making a deposit at the bank? Why talk to a clerk who might live in the neighborhood when you can just insert your card into the ATM? I am no Luddite. I own a cell phone, an ATM card, a voice mail system, an email account. Giving them up isn’t an option — they are great for what they are intended to do. It’s their unintended consequences that make me cringe.
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【单选题】清蛋白在血浆中的参考范围是()
A.
2~4g/L
B.
60~80g/L
C.
35~50g/L
D.
10~20g/L
E.
6~8g/L
【简答题】光纤通信系统中常用的光源主要有哪几种?常用的光检测器主要有哪几种?
【多选题】门童要特别注意以下哪些服务礼仪?
A.
行李服务礼仪
B.
客人上下车服务礼仪
C.
迎宾服务礼仪
D.
前台接待服务礼仪
E.
送客服务礼仪
【单选题】清蛋白在血浆中的参考范围是()
A.
2~4g/L
B.
6~8g/L
C.
10~20g/L
D.
35~50g/L
E.
60~80g/L
【简答题】光纤通信系统中常用的光源主要有几种?
【单选题】下列关于清蛋白的描述,错误的是
A.
在pH7.4的环境中带负电荷
B.
正常情况下可完全从肾小球滤过
C.
是血浆中含量最多的蛋白质
D.
当血浆中的浓度低于28g/L时可出现水肿
E.
醋纤膜电泳时,清蛋白区的参考范围是57%~68%
【单选题】下列关于清蛋白的描述,错误的是
A.
在pH7.4的环境中带负电荷
B.
正常情况下可完全从肾小球滤过
C.
在血浆中含量最多的蛋白质
D.
当血浆中的浓度低于28g/L时可出现水肿
E.
醋纤膜电泳时,清蛋白区的参考范围是57%~68%
【简答题】料得年年肠断处,( )
【单选题】旅游资源的多样性特点主要是指 具有多样性。
A.
吸引旅游者的类型
B.
旅游的方式
C.
资源开发
D.
资源的内涵与表现形式
【简答题】请你来介绍一种物品,重点介绍其形状和用途。(不少于100字)
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