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The most common complaint about cellphones is that people talk on them to the annoyance of people around them. But more damaging may be the cellphone’s interruption of our thoughts. We have already entered a golden age of little white lies about our cellphones, and this is in generally a healthy, protective development. “I didn’t hear it ring” or “I didn’t realize my phone had shut off” are among the lies we tell to give ourselves space where we’re beyond reach. The concept of being unreachable is not new – we have “Do Not Disturb” signs on the doors of hotel rooms. So why must we feel guilty when it comes to cellphones? Why must we apologize if we decide to shut off the phone for a while? The problem is that we come from a long-established tradition of difficulty with distance communication. Until the recent mass use of cellphones, it was easy to communicate with someone next to us or a few feet away, but difficult with someone across town, the country or the globe. We came to take it for granted. But cellphones make long-distance communication common, and endanger our time by ourselves. Now time alone, or a conversation with someone next to us which cannot be interrupted by a phone, is something to be cherished. Even cellphone devotees , myself usually included, can’t help at times wanting to throw their phones away, or curse this invention. But we don’t and won’t, and there really is no need. That we have the right to take back our private time is a general social recognition. In other words, we don’t have to pay too much attention to the rings of our own phones. Given the ease of making and receiving cellphone calls, if we don’t talk to the caller right now, we surely will shortly later. A cellphone call deserves no more importance than a word from the person next to us. Though the call on my cellphone may be the one-in-a-million from Steven Spielberg–who has finally read my novel and wants to make it his next movie. But most likely it is not, and I’m better off, thinking about the idea I just had for a new story, or the slice of pizza I’ll eat for lunch. 小题1:. What does the writer think about people telling “white lies” about their cellphones? A.It is a way to show that you don’t like the caller. B.It is natural to tell lies about small things. C.It is basically a good way to protect one’s privacy. D.We should feel guilty when we can’t tell the truth. 小题2:. What is the meaning of the underlined word “devotees” in Paragraph 5? A.people who enjoy something. B.people who are bothered. C.people who hate something. D.people who are interrupted. 小题3:. . According to the author, what is the most annoying problem caused by cellphones? A.People are always thinking of the cellphone rings so that they fail to notice anything else. B.Cellphones interrupt people’s private time. C.People feel guilty when they are not able to answer their cellphones. D.With cellphones it is no longer possible to be unreachable. 小题4:. . What does the last paragraph suggest? A.A person who calls us from afar deserves more of our attention. B.Steven Spielberg once called the author to talk about the author’s novel. C.You should always finish your lunch before you answer a call on the cellphone. D.Never let cellphones disturb your life too much.
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【简答题】根据图片选择正确的词组。 (     ) 1. A. Show me your ruler. B. Show me your eraser. (     ) 2. A. Carry your bag. B. Show me your pencil.
【判断题】我国女性经常参加体育锻炼的人数百分比高于男性。
A.
正确
B.
错误
【单选题】对于自耦变压器,等值电路中各饶阻的电阻,下述说法正确的是( )。
A.
等值电路中各绕阻的电阻,是各绕阻实际电阻按照变压器变比归算到同一电压等级的电阻值
B.
等值电阻中各绕组的电阻就是各绕组的实际电阻
C.
等值电阻中各绕组的电阻是各绕组的等效电阻归算到同一电压等级的电阻值
D.
等值电路中各绕组的电阻一定为正值,因为绕组总有电阻存在
【简答题】读一读,翻译句子。 1. Show me your red crayon. __________________________________________ 2. Show me your blue crayon. __________________________________________ 3. Show me your green crayon. _________________...
【多选题】下面有关变压器标幺值的说法那些是正确的?
A.
变压器方程组无论是否归算,以及采用一次侧到二次侧归算,或者二次侧到一次侧归算,归算结果都相同。
B.
变压器方程组中的各个变量和参数,无论归算前,还是归算后,其标幺值相等。
C.
激磁阻抗、激磁电流、激磁电势的基值应采用二次侧的额定值。
D.
一次绕组的基值采用一次绕组的额定值,二次绕组的基值采用二次绕组的额定值。
【多选题】以下属于变压器经济运行条件的做法的是()
A.
变压器有功功率损耗归算值最小
B.
变压器运行效率最高
C.
变压器运行时年有功和无功电能综合效率最高
D.
变压器无功功率损耗归算值最小
【简答题】计算自耦变压器的阻抗时,不但对短路损耗 和 要归算到100%额定容量下,归算方法是乘以系数 ;而且对短路电压百分数 和 也要归算到100%额定容量下,归算方法是乘以系数 。
【简答题】看谁选得又快又准。 1. Show me your . [     ] A. pen B. pencil 2. Show me your . [     ] A. eraser B. ruler 3. Show me your . [     ] A.  crayon B. pencil 4. Show me your . [     ] A. pencil B. ruler
【判断题】采用准确计算法对系统各元件的参数标幺值计算时,是按变压器实际变比进行计算,不需要进行电压归算。( )
A.
正确
B.
错误
【单选题】Show me your _____________. [     ]
A.
desk
B.
chair
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