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【单选题】
在长期中,下列成本中不存在的是( )A.
不变成本
B.
平均成本
C.
机会成本
D.
隐成本
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反馈参考答案：
举一反三
【多选题】Please choose the correct answer(s)about the unspoken rules of personal space in a movie threater.
A.
Don't sit next to a stranger unless you have to.
B.
Leave an odd number of spaces between you and the closest stranger.
C.
Leave an even number of spaces between you and the closest stranger.
D.
You can sit next to a stranger as you wish.
【单选题】Which of the following statements is TRUE about the situation: You are unable to work out the calculations for your lab report but you know what the correct answer should be. Since your report is due,...
A.
This was such a tiny part of the lab report and it really doesn't matter.
B.
This is clearly plagiarism because you are copying someone's work without crediting the source.
C.
Your tutor doesn't expect everything to work out and if s/he knows that you falsified a few of your numbers to fit in with your results s/he won't be worried about it because the important thing is that you tried and that you understand what should have happened.
【单选题】Qustions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. MRSA is
A.
a drug-resistant form. of S.aureus.
B.
a leading cause of death in many countries.
C.
responsible for a variety of health problems.
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