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【单选题】
相传国际象棋是古印度的宰相达依的。十分喜欢象棋，决定让宰相自己选择何种赏赐。这位聪明的宰相指着8×8共64格的象棋盘说：陛下，请您赏给我一些麦子吧，就在棋盘的第1个格子中放1粒，第2格中放2粒，第3格中放4粒，以后每一格都比前一格增加一倍，依此放完棋盘上的64个格子，我就感恩不尽了。让人扛来一袋麦子，他要兑现他的许诺。请问：国能兑现他的许诺吗？试编程计算共要多少麦子赏赐他的宰相，这些麦子合多少立方米（已知1立方米麦子约1.42e8粒）？按要求在空白处填写适当的表达式或语句，使程序完整并符合题目要求。#include #defineCONST1.42e8intmain(){intn;doubleterm=1;doublesum=1;for(________;n<=64;n++){________________;sum=sum+term;}printf("sum=%e\n",sum);printf("volum=%e\n",_________);return0;}
A.
第8行：  n=1 第10行： term = term + 2 第15行： sum * CONST
B.
第8行：  n=1 第10行： term = term+2 第15行： sum / CONST
C.
第8行：  n=0 第10行： term = term * 2 第15行： sum * CONST
D.
第8行：  n=2 第10行： term = term * 2 第15行： sum / CONST
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【单选题】I don’t think he understands what he reads, _____?
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