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【单选题】
If a firm uses labor to produce output, the firm’s production function depicts the relationship betweenA.
the number of workers and the quantity of output.
B.
marginal product and marginal cost.
C.
the maximum quantity that the firm can produce as it adds more capital to a fixed quantity of labor.
D.
fixed inputs and variable inputs in the short run.
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举一反三
【单选题】Try to _______ half an hour every day for something you really enjoy doing. [ ]
A.
set back
B.
set down
C.
set aside
D.
set out
【单选题】Kathy, don’t be so discouraged. If you _______ such feelings, you will do better next time.
A.
set down
B.
put away
C.
break down
D.
give away
【单选题】以下关于智能电网的说法错误的是()
A.
智能电网为智慧城市的建设创造了必要的基础条件
B.
智能电网是电力产业发展的必然趋势
C.
智能电网有助于促进清洁能源的开发利用
D.
智能电网的核心内涵是实现电网的信息化
【单选题】It's getting dark. We'd better _____ in a hotel for the night. [ ]
A.
set up
B.
set out
C.
settle down
D.
settle up
【简答题】梁尺寸如图 7-4-11 所示,箍筋配置如图 7-4-12 所示,间距200mm,梁两端各1500为加密区间距100mm,计算箍筋根数。
【单选题】梁尺寸如图7-4-11所示,箍筋配置如图7-4-12 所示,间距200mm,梁两端各1500为加密区间距100mm,则共有箍筋( )。
A.
35个
B.
36个
C.
50个
D.
51个
【单选题】'You'd better ______ some money for emergency', she told me.
A.
set back
B.
set about
C.
set down
D.
set aside
相关题目：
【单选题】梁尺寸如图7-4-11所示,箍筋配置如图7-4-12 所示,间距200mm,梁两端各1500为加密区间距100mm,则共有箍筋( )。
A.
35个
B.
36个
C.
50个
D.
51个
参考解析：
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