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【单选题】
According to the law of diminishing marginal product, if all the inputs to a firm are increased in equal proportions,A.
output will increase more than in proportion to the increase in the inputs.
B.
output will increase less than in proportion to the increase in the inputs.
C.
output will increase exactly in proportion to the increase in the inputs.
D.
The law of diminishing returns says nothing about what will happen to output when all inputs are increased in equal proportions.
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举一反三
【单选题】The students were surprised to know Miss Green ______ .
A.
couldn't give the lesson
B.
would go to a meeting
C.
recorded her voice
【单选题】–Is Miss Green in the office? --No, she ____ to the library.
A.
goes
B.
had goes
C.
has gone
D.
would go
【简答题】简述用“数据”菜单中的“记录单”命令给数据清单增加记录的操作步骤。