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【单选题】
()是一种靠外力操作接通或断开电路的电器元件，一般不能直接用来控制电气设备，只能发出指令，但可以实现远距离操作。A.
行程开关
B.
按钮
C.
万能转换开关
D.
接触开关
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【简答题】下面是某网站最近发表的谈关于公共文化教育的文字: 当前,在经济高速发展的同时,许多城市出现了一系列问题,城市生命线似乎脆弱得不堪一击。1 一场不太大的雨雪就能让城市半瘫痪;居民的家也不再是安全的港湾,劣质建材散发着致癌的毒气,劣质缆线成为埋在家里的地雷,泄漏的燃气就像身边的火药库,噪音公害仿佛幽灵般游荡的杀手;热岛效应闷得我们大汗淋漓,沙尘暴刮得我们泪眼迷离;逢雨必涝正成为中国大城市的通病;一向被...
【判断题】Because an increase in petrol prices causes consumers to ride their bikes more and drive their cars less, the Consumer Prices Index (CPI) tends to underestimate the cost of living
A.
正确
B.
错误
【判断题】The interest-rate effect suggests that the aggregate demand curve slopes downward because an increase in the price level shifts money demand to the right, increases the interest rate, and reduces inve...
A.
正确
B.
错误
【判断题】Because an increase in petrol prices causes consumers to ride their bikes more and drive their cars less, the CPI tends to underestimate the cost of living.
A.
正确
B.
错误
【单选题】A decrease in quantity demanded because of an increase in price is represented by a
A.
rightward shift of the demand curve.
B.
leftward shift of the demand curve.
C.
movement up and to the left along the demand curve.
D.
movement down and to the right along the demand curve.
【单选题】无论是从词源的涵义、还是作为一种推理思维的方法、还是作为一种创新方法，类比始终强调的一点是( )。
A.
事物之间的差异性的比较
B.
事物同属一类
C.
事物之间的相似性比较
D.
事物分属不同类
【单选题】A rise in the price level because of an increase in the money wage rate
A.
definitely triggers a cost-push inflation.
B.
definitely triggers a demand-pull inflation.
C.
might trigger a cost-push inflation.
D.
might trigger a demand-pull inflation.
【单选题】An increase in the price level decreases planned expenditures because
A.
real wealth increases, decreasing expenditure.
B.
current prices rise relative to future prices, decreasing expenditure.
C.
domestic prices rise relative to foreign prices, increasing net exports.
D.
the real interest rate rises, increasing expenditure.
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