题目内容
【题目】阅读下面的算法语句，输出的结果是( )
I＝1
S＝0
DO
S＝2*S＋1
I＝I＋1
LOOP UNTIL I >4
输出S
A．2 B．10 C．15 D．20
【答案】C
【解析】当I＝1时，S＝0×2＋1＝1；当I＝2时， S＝1×2＋1＝3；当I＝3时，S＝3×2＋1＝7；当I＝4时，S＝7×2＋1＝15.故选C.
练习册系列答案
相关题目
【题目】用方框中所给词组的适当形式填空
make no sense all of a sudden make the most of add to |
【1The heavy rain _________our difficulty in completing the project.
【2】 The composition is organized so badly that parts of it _________at all.
【3】The farmers _________the fine weather to harvest the crops before the rainy season comes.
【4】 _________, there came an bomb explosion from outside.