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【单选题】
Research shows that the audience could only remember ( )of a presentation long after they forgot most of what was said in the body partA.
the first few minutes
B.
the last few minutes
C.
the first and last few minutes
D.
the thesis statement
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举一反三
【判断题】Business owners often fail to recognize the fixed costs that need to be recouped when providing service.
A.
正确
B.
错误
【单选题】In a special order decision, fixed costs that do not differ between two alternatives are:
A.
a. of major importance to the decision
B.
b. considered opportunity costs
C.
c. important only if they are a material dollar amount
D.
d. irrelevant
【单选题】肝性脑病发病机制中,假性神经递质的作用主要是
A.
增加氨的毒性作用
B.
竞争性抑制儿茶酚胺的作用
C.
干扰脑的能量代谢
D.
增加脑内抑制性神经递质
E.
使支链氨基酸减少
【判断题】Total fixed costs are those costs that change when the volume of production changes.
A.
正确
B.
错误
【判断题】Fixed costs are those costs that remain fixed no matter how long the time horizon is.
A.
正确
B.
错误
【单选题】Fixed costs that the manager of a department cannot change are called:
A.
Controllable.
B.
Committed.
C.
Traceable.
D.
Common.
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