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【多选题】
下列公式中正确的是()A.
销售利润率=安全边际率×贡献率
B.
安全边际率十盈亏临界点作业率=l
C.
安全边际率十贡献率=1
D.
正常销售量一盈亏临界点销售量=安全边际
E.
变动成本率×贡献率=1
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【单选题】How did Perseus avoiding being turned into a stone when he found Medusa?
A.
By putting on invisible helmet.
B.
By putting on flying sandals.
C.
By staying in the knapsack.
D.
By using the shield as a mirror.
【单选题】A: ______did the teacher give you much advice? B: How to study English.
A.
What
B.
In what
C.
On what
D.
For what
【简答题】从认知的角度,可以把阅读教学的过程分为读前准备、 、 、阅读目标监控、 等几个不同的阶段。
【单选题】How did Perseus avoiding being turned into a stone after he found Medusa?
A.
By putting on invisible helmet
B.
By putting on flying sandals
C.
By staying in the knapsack(麻袋)
D.
By using the shield as a mirror
【单选题】在如果模式 2 下操纵驾驶员侧的车窗开关但点火开关灯和蜂鸣器似乎不产生任何输出,怀疑哪一种情况?
A.
驾驶员侧控制装置与乘客侧控制装置之间的数据总线出现故障。
B.
驾驶员侧车窗作动器或作动器与控制装置之间的线路存在缺陷。
C.
驾驶员侧的控制装置出现故障。
D.
驾驶员侧的车窗开关或开关与控制装置之间的线路有缺陷
【简答题】how many managers did she have to work fo?
【单选题】-- Do you know ________ the new computer yesterday? -- Sorry, I have no idea.
A.
how much did she pay for
B.
how much will she pay for
C.
how much she paid for
D.
how much she will pay for
【单选题】According to the passage, how many slaves did the Wheatley's have?
A.
One.
B.
Two.
C.
Three.
D.
Four.
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