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题目内容
（兰州交通大学大学英语3）
单选(2分)
High production rates are often achieved at the of the quality of work.
得分/总分
A.
expensive
B.
expense
C.
expenditure
D.
consume
High production rates are often achieved at the of the quality of work.
得分/总分
A.
expensive
B.
expense
C.
expenditure
D.
consume
参考答案