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【单选题】
人格形成的重要前提是( )A.
学习
B.
社会实践
C.
社会条件
D.
先天素质
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举一反三
【单选题】On the break even point,
A.
The price is equal to firm’s average variable cost.
B.
The price is equal to firm’s average cost.
C.
The price is equal to firm’s average fixed cost.
D.
The price is equal to firm’s total variable cost.
【简答题】The break-even point is the sales level at which operating income is zero and revenues equals total expenses.
【单选题】There is even an animal whose tail will _____ so that it can run away if someone grabs it.
A.
break down
B.
break up
C.
break out
D.
break off
【简答题】There is even an animal whose tail will so that it can run away if someone grabs it. A．break up B．break out C．break off D．break down
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