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【简答题】
如图所示一平行板电容器极板面积为 S 、充满两层电容率分别为 和 的均匀电介质,厚度分别为 d 1 和 d 2 。该电容器的电容 C 为 。
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皮皮学刷刷变学霸
举一反三
【单选题】Assume a simple model without any government. If an increase in autonomous investment of 40 leads to an increase in consumption of 160, then the marginal propensity to save is
A.
0.10
B.
0.20
C.
0.25
D.
0.40
【简答题】煮水饺的过程 :______ 后放入水饺,期间分 ______ 加入冷水,待饺子 ______ 即可捞出。
【简答题】你的家庭关系和谐吗?你的同学关系好吗? 好,是为什么?不好,又是为什么?
【单选题】In the simple macro model of chapter 1, the long-run AS-curve is
A.
Horizontal
B.
Vertical
C.
Upward-sloping
D.
Downward-sloping
【单选题】What is included in a complex model of literature review but NOT included in a simple one?
A.
Research topic
B.
Research interest
C.
Thesis statement
D.
Research question
【简答题】在煮饺子的过程中，可观察到如下现象：饺子刚放入时，沉在水底；煮一段时间后，就浮了起来．你能试着解释这些现象吗？
【单选题】In a simple model of the supply and demand for pizza, the endogenous variables are:
A.
the price of pizza and the price of cheese.
B.
aggregate income and the quantity of pizza sold.
C.
aggregate income and the price of cheese.
D.
the price of pizza and the quantity of pizza sold.
【单选题】Which of the following is a major limitation of the simple Ricardian model of comparative advantage?
A.
The model ignores the principle of diminishing marginal returns.
B.
The model recommends excessive governmental intervention in trade.
C.
The outcome of the model suggested by Ricardo is a zero-sum game.
D.
The model is against the idea of engaging in free trade with nations.
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