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【单选题】
在一定温度下，可逆反应A(气)＋3B(气) 2C(气)达到平衡的标志是
A.
A、B、C的分子数比为1:3:2
B.
A、B、C的浓度相等
C.
C生成的速率与C分解的速率相等
D.
单位时间生成n mol A，同时生成3n mol B
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A.
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【单选题】In Solow's model of economic growth, suppose that s represents the savings rate, z represents total factor productivity, k represents the level of capital per worker, and f(k) represents the per-worke...
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szf(k*) = (n + d)k*.
B.
szk * = ( n + d ) f ( k*).
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nf(k *) = sk * /(s+d)
D.
f(k *) = sk * /(n+d)
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B.
amount to be deducted from the cost of the long-lived asset to arrive at its fair value.
C.
amount charged to expense in the current period.
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amount charged to expense since the acquisition of the long-lived asset.
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If we're not careful, technology will ruin our lives.
B.
Technology is the key to the world's future economic development.
C.
Technological change may not always be a good thing.
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Some benefit from technology more than others.
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【判断题】切削热由切屑、工件、刀具和周围介质(如空气、切削液)传散出去。不同的加工方法其切削热传散的比例是相同的。
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【单选题】In Solow's model of economic growth, suppose that s represents the savings rate, z represents total factor productivity, k represents the level of capital per worker, and f(k) represents the per-worke...
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【简答题】Der Lehrer geht___ ___ Fenster. (an)
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