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【多选题】
仰视角度的画面,因为具有视觉新鲜感,所以自然就赋予被摄物体一种象征的寓意,使被摄物体呈现出()
A.
高大威猛
B.
盛气凌人
C.
力量感和雄伟感
D.
运动感
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举一反三
【单选题】在数据库中,下列关于数据库叙述错误的是
A.
数据表时实际存放数据的地方
B.
每张数据表中应该包含重复的数据
C.
每张表只包含一个主题信息
D.
设计数据表时,最重要的是规划好字段的类型
【简答题】已知函数 f(x)=1+ 2 x ,数列{x n }满足x 1 = 11 7 ,x n+1 =f(x n );若b n = 1 x n -2 + 1 3 . (1)求证数列{b n }是等比数列,并求其通项公式; (2)若c n =3 n -λb n (λ为非零整数,n∈N*),试确定λ的值,使得对任意n∈N*,都有c n+1 >c n 成立.
【简答题】Fill in the blanks by using appropriate words in the text, the first letter in each blank was given to help you. 1. Immediately the 1) r_____ d lawyer Clarence Darrow offered his services to defend m...
【简答题】已知数列{x n }满足x 1 =x 2 =1并且 x n+1 x n =λ x n x n-1 ,(λ 为非零参数,n=2,3,4,…). (1)若x 1 、x 3 、x 5 成等比数列,求参数λ的值; (2)设0<λ<1,常数k∈N * 且k≥3,证明 x 1+k x 1 + x 2+k x 2 +…+ x n+k x n < λ k 1- λ k (n∈ N * ).
【单选题】等比数列1,x,x2,x3,...,xn-1,...前n项的和
A.
B.
是 ’
C.
D.
需分x=1与x≠1分别求和
【简答题】______ s Modern Painters was written to defend J. M. W. Turner, the English landscape painter, against the attacks on his painting made by the conventional critics of the day.
【简答题】John Ruskin s______was written to defend J. M. W. Turner, the English landscape painter, against the attacks on his paintings made by the conventional critics of the day.
【简答题】ANS 助记符指令 功能为
【简答题】焊条牌号为Z408的铸铁焊条是纯镍铸铁焊条 本题为判断题,请判断对与错,谢谢!
【简答题】下图是DRAM芯片的逻辑结构图,分析与SRAM的不同点
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