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【单选题】
可编程逻辑控制器是一种以()方式控制机器动作的控制器 , 简称 PLCA.
逻辑
B.
顺序
C.
逻辑与顺序
D.
从上至下，从左到右
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举一反三
【单选题】听力原文： American names are written and spoken with tile given name first real the family name last. So John Smith's family name is Smith, not John. In a formal setting, address men as 'Mister', married ...
A.
Family name first, given name last.
B.
Given name first, family name last.
C.
Middle name first, family name last.
D.
Given name first, middle name last.
【单选题】Real income is equal to ________ and a relative price is given by ________.
A.
the dollar amount of income divided by the dollar price of a good; the dollar price of one good divided by the dollar price of the good whose relative price is being calculated
B.
the dollar price of one good divided by the dollar price of the good whose relative price is being calculated; the dollar amount of income divided by the dollar price of a good
C.
The dollar price of one good divided by the dollar price of another good; the dollar price of one good divided by the dollar price of the good whose relative price is being calculated
D.
the dollar amount of income; real income divided by the dollar amount of income
【判断题】The real key in EC is not techonoly employed but the attention given to the business aspects of the site.()
A.
正确
B.
错误
【简答题】预收购货单位预付的购买产品的货款，应看作（ ）加以确认。
【判断题】For a given real interest rate, an increase in the inflation rate reduces the after-tax real interest rate.()
A.
正确
B.
错误
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