题目内容
阅读如下程序,若输出的结果为
,则在程序中横线?处应填入语句为( )
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A.i≥6 | B.i≥7 | C.i≤7 | D.i≤8 |
B
程序运行过程中,各变量值如下表所示:
S n i是否继续循环
循环前0 2 1/
第一圈
4 2 是
第二圈
+
8 3 是
第三圈
+
+
16 4 是
第四圈
+
+
+
32 5 是
第五圈
+
+
+
+
64 6 是
第6圈
+
+
+
+
+
=
128 7 是
第7圈 否
即i=7时退出循环
故继续循环的条件应为:i≥7
故选B.
S n i是否继续循环
循环前0 2 1/
第一圈
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第二圈
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第三圈
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第四圈
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第五圈
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第6圈
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第7圈 否
即i=7时退出循环
故继续循环的条件应为:i≥7
故选B.
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