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【单选题】
在以收益（单位：元）最大为目标的生产计划问题中，用 LINGO求解相应数学模型得到如下解的报告：Global optimal solution found. Objective value: 3360.000 Total solver iterations: 2 Variable Value Reduced Cost X1 20.00000 0.000000 X2 30.00000 0.000000 Row Slack or Surplus Dual Price 1 3360.000 1.000000 MILK 0.000000 48.00000 TIME 0.000000 2.000000 PC 40.00000 0.000000若购买MILK这种资源1个单位需要花费35元，则（ ）购买这种资源.A.
应该
B.
不应该
C.
不确定是否应该
D.
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【简答题】太极拳的技法特点是什么?
【单选题】Most people prefer _____ mony _____ it .
A.
spending ; to earning
B.
to be spending ; to be earning
C.
to spend ; to earn
D.
having spent ; to having earned
【单选题】_______people prefer reality to the virtual world.
A.
Not any
B.
A little
C.
ought
D.
Most
【简答题】Now most Chinese people prefer to shake hands when they meet. Americans prefer to shake hands when they meet, too.A. Now most Chinese people prefer to shake hands when they meet. This is also true of ...
【简答题】A．Because most Japanese people prefer to see cherry flowers on TV. B．Because most Japanese people would rather go to see the flowers by themselves. C．Because the timing of these tours is not right. D．...
【简答题】太极拳的技法特点是什么?
【简答题】在 JavaScript 中,函数使用关键字( ) 来定义。
【简答题】在JavaScript中，使用关键字【】来定义函数。
【单选题】Nowadavs,most people,in order to keep fit,prefer walking to driving _________necessary.
A.
if
B.
unless
C.
in case
D.
as if
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