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【判断题】
以下为6-8段, 阅读并完成测验题目。 6 Maybe that’s why we now find ourselves in the age of Friendaholism. Call me geriatric or Amish or just uncool (I gave all that away last week when I admitted I thought Ne-Yo was a sushi place), but I think of a friend as an actual person with whom I have an actual history and who I enjoy actually seeing. It seems, however, that this is no longer the definition of “friend.” 7 A friend is someone on your Facebook page or in your Twitter circle. A friend is someone you might know personally but who could just as easily be the friend of a friend of some other Facebook friend you don’t actually know. In any case, these friends have been assigned value not necessarily because of anything they’ve actually done with you or for you, but because, well, they just exist in the world and so do you. 8 The idea of friendship, at least among the growing population of Internet social networkers, is to attain as many of these not-really-friends as possible. Hence, the alcoholism analogy, which I don’t make lightly. Like cheap wine, “friends” provide a high that can only be sustained by acquiring more and more of them. Quantity trumps quality. 以下为授课PPT 判断题: According to the author, a friendaholic is a person who would like to make as many friends as possible in the real world.
A.
正确
B.
错误
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举一反三
【单选题】讨论章节的目的在于 ,因此需要对结果和结果的重要性进行解释和分析。
A.
对实验内容进行对比
B.
提升自身理解力和判断力
C.
分析实验是否合理
D.
将信息转换为知识
【单选题】如图示,一束自然光自空气射向一块平板玻璃,设入射角等于布儒斯特角i0,则在界面2的反射光( )。
A.
是自然光
B.
是部分偏振光
C.
是完全偏振光且光矢量的振动方向垂直于入射面
D.
是完全偏振光且光矢量的振动方向平行于入射面
【单选题】中国革命统一战线的基础是
A.
工人阶级同知识分子联盟
B.
工农联盟
C.
工、农、城市小资和民族资产阶级四个阶级联盟
D.
共产党的领导
【单选题】一束自然光自空气射向一块平板玻璃(如图),设入射角等于布儒斯特角i0,则在界面2的反射光( )。
A.
是自然光
B.
是完全偏振光且光矢量的振动方向垂直于入射面
C.
是完全偏振光且光矢量的振动方向平行于入射面
D.
是部分偏振光
【单选题】已知序列x[k]={2,1,-2,1;k=0,1,2,3},则该序列的自相关函数R x [n]为:
A.
{2,-3,-2,10,-2,-3,2; n=-3,-2,-1,0,1,2,3}
B.
{2,-3,-2,10,2,-3,2; n=-3,-2,-1,0,1,2,3}
C.
{-2,-3,2,8,2,-3,-2; n=-3,-2,-1,0,1,2,3}
D.
{-2,-3,2,10,-2,-3,-2; n=-3,-2,-1,0,1,2,3}
【单选题】讨论章节的目的在于 ,因此因此需要对结果和结果的重要性进行解释和分析。
A.
将信息转换成知识
B.
分析实验是否合理
C.
对实验内容进行对比
D.
提升自身的理解力和判断力
【单选题】患者男,50岁。诊断为高血压危症。遵医嘱呋塞米20mg,静脉注射。执行医嘱后病人出现乏力、腹胀、肠鸣音减弱的症状。该患者可能发生了( )
A.
低钾血症
B.
高钾血症
C.
低渗性脱水
D.
高氯血症
E.
低钠血症
【简答题】已知序列x[k]={2,3,4,5,6;k=0,1,2,3,4},序列x[k]的DTFT为X(e jΩ )。记x(e jΩ )在{ ;m=0,1,2,3)的4点取样值为X[m],则IDFT{X[m]}=______。
【简答题】已知x1[k]*x2[k]= y[k],其中序列x1[k]的长度是L1,序列x2[k]的长度是L2,那么卷积后序列 y[k]的长度L是( )
【简答题】已知序列x[k]={1, 2, 1, 1}与h[k]={1, 1},则两序列3点的圆周卷积为 。
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