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【单选题】
一根长度为L、电阻为R的导线 ,将其对折后 电阻变为( )。
A.
2R
B.
R
C.
0.5R
D.
0.25R
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举一反三
【单选题】In the Phillips curve equation, which of the following will cause an increase in the current inflation rate?
A.
an increase in the expected inflation rate
B.
a reduction in the unemployment rate
C.
an increase in the markup, m
D.
all of the above
E.
none of the above
【单选题】某报策划了“今天我当小记者”专栏,请读者当记者来报道身边的新闻,这种报道方式被称为( )。
A.
组合式
B.
系列式
C.
报纸介入式
D.
读者参与式
【单选题】An increase in the real exchange rate
A.
makes imports more expensive.
B.
makes imports less expensive.
C.
does not affect import values.
D.
always makes the number of imports rise.
E.
makes domestic consumers spend more on only foreign imports.
【单选题】If an increase in the price of blue jeans leads to an increase in the demand for tennis shoes, then blue jeans and tennis shoes are
A.
substitutes
B.
complements.
C.
normal goods.
D.
inferior goods.
E.
none of the above.
【单选题】18) In the Phillips curve equation, which of the following will cause an increase in the current inflation rate?
A.
an increase in the expected inflation rate
B.
an increase in the markup, m
C.
a reduction in the unemployment rate
D.
all of the above
E.
none of the above
【单选题】An increase in the osmolality of the extracellular fluid will result in
A.
increased stimulation of the volume and osmoreceptors, and decreased ADH secretion
B.
decreased stimulation of the volume and osmoreceptors, and increased ADH secretion
C.
decreased stimulation of the volume and osmoreceptors, and decreased ADH secretion
D.
increased stimulation of the osmoreceptors, and increased ADH secretion
E.
no change in ADH secretion
【判断题】在投影图中,平面体相邻组成部分间的表面衔接处有交线
A.
正确
B.
错误
【单选题】An increase in the demand for a good will tend to cause
A.
an increase in the equilibrium price and quantity.
B.
a decrease in the equilibrium price and quantity.
C.
an increase in the equilibrium price and a decrease in the equilibrium quantity.
D.
a decrease in equilibrium price and increase in the equilibrium quantity.
E.
none of the above.
【多选题】论文的摘要部分对我们理解文章有非常重要的作用,其内容通常包括()。
A.
写作的目的
B.
描述方法
C.
介绍主要结论或发现
D.
给出结论
【单选题】An increase in the osmolality of the extracellular fluid will result in
A.
increased stimulation of the osmoreceptors, and increased ADH secretion
B.
increased stimulation of the volume and osmoreceptors, and decreased ADH secretion
C.
decreased stimulation of the volume and osmoreceptors, and increased ADH secretion
D.
decreased stimulation of the volume and osmoreceptors, and decreased ADH secretion
E.
no change in ADH secretion
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