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【单选题】
蛋白质的食物热效应约为本身产生能量的A.
3%~5%
B.
10%~15%
C.
16%~20%
D.
20%~25%
E.
30%~40%
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举一反三
【简答题】经济全球化是一把“双刃剑”。
【单选题】If an economy is producing efficiently, then
A.
here is no way to produce more of one good without producing less of another good
B.
it is possible to produce more of both goods without increasing the quantities of inputs that are being used.
C.
it is possible to produce more of one good without producing less of another good.
D.
it is not possible to produce more of any good at any cost.
【单选题】If an economy is in a steady state with no population growth or technological change and the marginal product of capital is less than the depreciation rate:
A.
the economy is following the Golden Rule.
B.
steady-state consumption per worker would be higher in a steady state with a lower saving rate.
C.
steady-state consumption per worker would be higher in a steady state with a higher saving rate.
D.
the depreciation rate should be decreased to achieve the Golden Rule level of consumption per worker.
【单选题】The economy is at potential GDP when people correctly anticipate an increase in government expenditure on goods and services. If the money wage rate adjusts immediately, then
A.
real GDP and the price level will increase in the short run, but the real wage rate will fall.
B.
real GDP remains at potential GDP.
C.
real GDP, the price level, and the real wage rate all increase in the short run.
D.
real GDP remains at potential GDP, there is no change in the price level, and the real wage rate rises in the short run.
【单选题】If an economy is producing efficiently
A.
there is no way to produce more of one good without producing less of the other.
B.
it is possible to produce more of both goods.
C.
it is possible to produce more of one good without producing less of the other.
D.
it is not possible to produce more of one good at any cost.
【单选题】经济全球化是一把“双刃剑”，机遇与挑战并存，因此（ ）
A.
所有国家都应拒绝经济全球化
B.
发展中国家在扩大开放时应循序渐进，注意提高防范和抵御风险的能力
C.
发展中国家应避免加入全球化进程
D.
发达国家在全球化过程中没有风险
【单选题】If an economy is producing efficiently, then
A.
there is no way to produce more of one good without producing less of another good.
B.
it is possible to produce more of both goods without increasing the quantities of inputs that are being used.
C.
it is possible to produce more of one good without producing less of the other.
D.
it is not possible to produce more of any good at any cost.
【单选题】下列有关 画笔面板 描述正确的是
A.
所有的画笔效果都是通过画笔面板设置实现的
B.
使用画笔面板可以创建出带有不同轮廓填充风格的路径效果
C.
使用画笔面板可以对这些路径进行编辑和管理
D.
所有的画笔面板都是用户自己设置的
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