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【多选题】
汽车打蜡后表面会形成一层保护膜,可以有效地( )。A.
反射阳光中的紫外线
B.
防止水的渗透
C.
抵抗金属硬物的划伤
D.
提高涂膜丰满度
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【单选题】You operate a factory that produces beach towels. Your current level of output equals 2,000 towels per week. Your weekly variable cost equals $8,000. If your total cost each week equals $9,000, it fol...
A.
the average variable cost of production equals $2 per towel.
B.
the average total cost of production equals $4 per towel.
C.
the average total cost of production equals $4.50 per towel.
D.
the average total cost of production equals $8 per towel.
【单选题】You operate a factory that produces beach towels. Your current level of output equals 2,000 towels per week. Your weekly variable cost equals $8,000. If your total cost each week equals $9,000, it fol...
A.
the average variable cost of production equals $2 per towel.
B.
the average variable cost of production equals $4 per towel.
C.
the average total cost of production equals $8 per towel.
D.
none of the above
【单选题】You run a business producing picture frames. This month your total cost of production is $10,000, your variable cost of production is $6,000, and you produce 3,000 picture frames. It follows that:
A.
average variable cost is $2.
B.
average total cost is $3.
C.
average total cost is $1.
D.
average fixed cost is $1.
【简答题】在我国，对期货交易实施行业自律管理的机构是（ ）。
【单选题】—Oh, my God! I wore the wrong dress last night.
A.
ou ____ what you were supposed to wear.
B.
may ask
C.
should ask
D.
must have asked
E.
should have asked
【简答题】“三话”是什么?与“三言”有何区别?
【简答题】在我国，对期货交易实施行业自律管理的机构是（ ）。
【简答题】It is rather about choosing every step that follows that hand by positioning you in such a way that you can indeed make the best decisions with the information that you have. ( English-Chinese )
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