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【简答题】
环境的目标、指标必须量化。（）
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皮皮学刷刷变学霸
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【简答题】计算机病毒具有破坏性、隐蔽性、传染性、潜伏性和______等主要特点。
【简答题】计算机病毒具有破坏性、隐蔽性、（）、潜伏性和激发性等主要特点。
【单选题】The contribution margin is calculated as:
A.
Sales revenue minus cost of goods sold
B.
Sales revenue minus variable cost of goods sold
C.
Sales revenue minus total variable expenses
D.
Sales revenue minus total fixed expenses
【判断题】CM ratio, the contribution margin ratio is calculated by dividing the total contribution margin by total sales.
A.
正确
B.
错误
【单选题】As sales exceed the break‐even point, a high contribution‐margin percentage:
A.
a. increases profits faster than does a low contribution‑margin percentage
B.
b. increases profits at the same rate as a low contribution‑margin percentage
C.
c. decreases profits at the same rate as a low contribution‑margin percentage
D.
d. increases profits slower than does a low contribution‑margin percentage
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