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商务谈判开局的基本任务是
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举一反三
【单选题】Indefinite repetition is controlled by a ______.
A.
counter
B.
sentinel value
C.
data value
D.
non-constant condition
【单选题】indefinite
A.
continuing into the future with no fixed end
B.
continuing into the future with fixed end
C.
of sth. that can be distinguished
D.
of sth. that cannot be distinguished
【简答题】indefinite
【单选题】使用热导池气相色谱仪时，有下列几个步骤： 1.打开桥电流开关； 2.打开记录仪开关； 3.通载气； 4.升气化室检测室及柱温； 5.启动色谱仪开关。 下面开动气相色谱仪的操作中（）次序是对的。
A.
1→2→3→4→5
B.
5→4→3→2→1
C.
3→5→4→1→2
D.
2→3→4→5→1
【单选题】Which statment is wrong about the definite and indefinite integral?
A.
The indefinite integral and definite integral both are a value.
B.
Finding indefinite integral is the reverse process of finding derivative.
C.
We can use either limit evaluation of Riemann Sum or Fundamental Theorem to find the definite integral.
D.
The (definite) integral of a positive function over an closed inteval is equal to the region area under its curve (above the x-axis, x is the function varaible).
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