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【简答题】
斗式提升机按输送的方向有 式和 式两种,料斗的形式有 、 和 三种。
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反馈参考答案：
举一反三
【单选题】Marginal revenue is equal to
A.
total revenue divided by price.
B.
the change in total revenue divided by total output.
C.
the change in total revenue divided by the change in quantity sold.
D.
price divided by quantity sold.
【单选题】The earning of revenue on account is recorded by a ( )
A.
debit to cash and a credit to revenue
B.
debit to accounts receivable and a credit to revenue
C.
debit to accounts payable and a credit to revenue
D.
debit to revenue and a credit to accounts receivable
【单选题】Total surplus with a tax is equal to
A.
consumer surplus and producer surplus.
B.
consumer surplus minus producer surplus.
C.
consumer surplus, producer surplus, and total surplus.
D.
consumer surplus, producer surplus, and tax revenue.
【简答题】婴儿通过哺乳可获得的Ig 是 ;
【单选题】Total surplus is defined as
A.
consumer surplus + producer surplus.
B.
consumer surplus - producer surplus.
C.
another word for profit.
D.
another word for total revenue.
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