For American basketball player Kevin Durant, life as a shining star has just begun. As is known to all, he is not an overnight success, it may lie in his untiring struggle. There is no doubt that his experience may remind us of the old saying No pains, no gains . It is he who has been a real inspiration to me and changes my attitude towards life. I will spare no efforts to make my dream come true. And everyone, keep moving and just do it. 第二卷 VI. 选词填空(共8小题.每小题1分.满分8分)根据所提供的语境.从方框中选择正确的短语并用其正确形式填空.其中两个为多余项. Look down upon, focus-on , thanks to , pick out , be satisfied with , up to now, refer to, built up, convince-of, crowd in 查看更多

 

题目列表(包括答案和解析)

阅读下面用For语句写出的算法.说明该算法的处理功能
S=1+2+3+…+20
S=1+2+3+…+20

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下面语句执行后输出的结果P的值为
64
64

P=1;
For i=1to  6
p=p×2;
Next
输出P.

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如图是计算首项为1的数列{an}前m项和Sm的算法框图,
(1)判断m的值;
(2)试写出an与an+1的关系式,并求该数列的通项公式
(3)根据框图分别利用For语句和Do Loop语句写出算法程序;
(4)在电脑上运行此程序,最后输出的结果是多少?

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关于for循环说法错误的是(  )

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16、已知数列an中,a1=2,且an=n+an-1(n≥2),求这个数列的第m项am的值(m≥2).现给出此算法流程图的一部分如图.
(Ⅰ)请将空格部分(两个)填上适当的内容;
(Ⅱ)用“For”循环语句写出对应的算法;
(Ⅲ)若输出S=16,则输入的m的值是多少?

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