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【单选题】
计算机程序设计语言发展过程经历的主要阶段不包括( )。A.
机器语言
B.
汇编语言
C.
智能语言
D.
高级语言
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皮皮学刷刷变学霸
举一反三
【简答题】运行下列程序时,若没有test.dat文件,则______。import java.io.*;public class Test{ public static void main(String[] args){ try{ RandomAccessFile raf=new RandomAccessFile("test.dat","r"); Syste...
【简答题】His excessive drinking has _______ affected his
health and how he functions socially.A. adversely B. harmlessly C. reasonably D. thoughtfully
【简答题】The leader had one serious fault-excessive pride; this was his____ and it caused his downfall.
【单选题】在用两阶段法求含人工变量的线性规划问题时,以下说法正确的是:
A.
若第一阶段所求得的目标函数值=0，表明原线性规划具有多重最优解
B.
第一阶段目标函数值可能<0< p="">
C.
第一阶段目标函数可以是max形式
D.
第二阶段求解时，需要把一阶段的最优表中相关的价值系数替换为原规划的价值系数，并重新计算非基变量检验数
【单选题】线性规划问题具有多重最优解是指( )。
A.
目标函数系数与某约束方程系数对应成比例
B.
最优单纯形表中基变量取值为0
C.
最优单纯形表中所有非基变量的检验数等于零
D.
最优单纯形表中存在非基变量的检验数为零
【单选题】Your advice would be ______valuable to him, who is at present at his wit's end.
A.
excessively
B.
exclusively
C.
extensively
D.
exceedingly
【单选题】The big man's rudeness was due to ______
A.
excessive drinking
B.
drug abuse
C.
his brutal nature
D.
his bad mood
【单选题】The big man's rudeness was clue to ______.
A.
excessive drinking
B.
drug abuse
C.
his brutal nature
D.
his bad mood
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