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【单选题】
阅读下面程序的运行结果是:( ) $a = 3>5 ? 0 : true ? 1 : 2; $b = false ? false : true ? 2 : 4; echo $a,',',$b,"
";
A.
1,2
B.
6,2
C.
2,4
D.
1,4
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举一反三
【单选题】Which type of project cost estimate is the most accurate?
A.
Preliminary
B.
Definitive
C.
Order of magnitude
D.
Conceptual
【单选题】Wages paid to machine operators on an assembly line are an example of which type of cost?
A.
Direct labour cost
B.
Manufacturing overhead cost
C.
Direct materials cost
D.
Indirect overhead cost
【单选题】Refer to Figure 12-5. Curve C represents which type of cost curve?
A.
marginal cost
B.
average total cost
C.
average variable cost
D.
average fixed cost
【单选题】Which type of cost always increases immediately when output increases?
A.
fixed costs
B.
overhead costs
C.
total variable costs
D.
sunk costs
【单选题】Refer to Figure 12-5. Curve D represents which type of cost curve?
A.
marginal cost
B.
average total cost
C.
average variable cost
D.
average fixed cost
【单选题】Which of the following is NOT a type of agency cost?
A.
The cost of an audit of the firm's financial statements.
B.
The cost of a corporate jet provided to the CEO as part of her compensation package.
C.
The cost of providing life insurance to the firm's CFO.
D.
The costs of financing the firm.
【单选题】空间任意力系向某两相交平面投影，得两个平面任意力系，下述说法正确的是（）。
A.
若这两个平面任意力系合成的结果各得一个力偶，则此空间力系的最终简化结果必为一个力螺旋
B.
若这两个平面任意力系合成的结果各得一个力，则此空间力系的最终简化结果必为一力
C.
若这两个平面任意力系皆为平衡力系，则此空间力系一定是平衡力系
D.
若这两个平面任意力系皆为平衡力系，则此空间力系不一定是平衡力系
【单选题】Which type of cost is does not change as the quantity of output produced changes?
A.
total cost
B.
average cost
C.
fixed cost
D.
marginal cost
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