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【单选题】
下列关于位图的叙述 , 不正确的是A.
在计算机中只能编辑加工位图文件
B.
位图是由排成行列的像素 ( 点阵 ) 组成
C.
常见的位图文件存储格式有 gif 格式和 jpg 格式
D.
位图被放大或缩小会变形失真
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举一反三
【简答题】简述城市中太阳辐射对园林植物的影响。
【单选题】If the demand schedule may be written P = 100 - 4Q, and the supply schedule P = 40 + 2Q, then the market clearing price and quantity are:
A.
P = 60, Q = 10.
B.
P = 10, Q = 6.
C.
P = 40, Q = 6.
D.
P = 20, Q = 20.
E.
none of the above.
【单选题】Suppose that, at the market clearing price of natural gas, the price elasticity of demand is -1.2 and the price elasticity of supply is 0.6. What will result from a price ceiling that is 10 percent be...
A.
A shortage equal to 1.8 percent of the market clearing quantity
B.
A shortage equal to 0.6 percent of the market clearing quantity
C.
A shortage equal to 18 percent of the market clearing quantity
D.
A shortage equal to 6 percent of the market clearing quantity
E.
More information is needed
【单选题】If the demand schedule may be written P = 100 - 4Q, and the supply schedule P = 40 + 2Q, then the market clearing price and quantity are:
A.
P = 60, Q = 10.
B.
P = 10, Q = 6.
C.
P = 40, Q = 6.
D.
P = 20, Q = 20.
【简答题】市场出清(market clearing)
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