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【单选题】
设q为产品产量,m为单位产品原材料消耗量,p为单位产品原材料价格,则公式Σ(q1*m1*p0)-Σ(q1*m0*p0)的意义是()。A.
反映费用总额变动的绝对额
B.
反映由于单耗的变动使费用总额变动的绝对额
C.
反映由于产品产量的变动使费用总额变动的绝对额
D.
反映由于单位产品原材料价格的变动使费用总额变动的绝对额
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举一反三
【单选题】He sold the house, which annoyed his wife.
A.
他把房子卖了，这让他妻子很高兴。
B.
他把房子卖了，这让他妻子很难过。
C.
他把房子卖了，这让他妻子很恼火。
【简答题】在罐头生产中，装罐时为什么要留有一定的顶隙？
【简答题】英译汉: He had hardly had time to settle down when he sold the house and left the country.
【单选题】Hardly ______ time to settle down when he sold the house and left the country.
A.
he had
B.
he had had
C.
had he had
D.
had he
【单选题】He had ____ had time to settle down when he sold the house.
A.
hard
B.
nearly
C.
hardly
【单选题】He had hardly had time to settle down ______ he sold the house and left the country.
A.
than
B.
when
C.
as soon as
D.
after
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