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【单选题】
数字声音获取时,影响其码率大小的因素有多个,下面不是影响声音码率的因素。A.
取样频率
B.
声卡的类型
C.
量化位数
D.
声道数
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举一反三
【单选题】Suppose the price of chocolate chip cookies is $4.00 per pound and the price of a slice of cake is $2.00 per slice. The relative price of cookies in terms of cake is
A.
$2.00 per cookie.
B.
$4.00 per cookie.
C.
1/2 slice of cake per cookie.
D.
2 slices of cake per cookie.
【简答题】为了保持菜品洁白的色泽并去除其异味,菜品装盘前在盘中滴加少量的醋,称其为( )。
【单选题】Suppose the price of chocolate chip cookies is $4.00 per pound and the price of a slice of cake is $2.00 per slice. The relative price of cake in terms of cookies is
A.
1/2 pound of cookies per cake.
B.
2 pounds of cookies per cake.
C.
1/2 slice of cake per cookie.
D.
2 slices of cake per cookie.
【单选题】Suppose the market price of a pound of steak is $12 per pound and the equilibrium price is $9 per pound. In this case, there is
A.
shortage, so the price falls and quantity demanded increases.
B.
surplus, so the price falls and quantity demanded increases.
C.
shortage, so the price rises and quantity demanded decreases.
D.
surplus, so the price rises and quantity demanded increases.
E.
surplus, so the price falls and quantity supplied increases.
【单选题】The market for apples is in equilibrium at a price of $0.50 per pound. If the government imposes a price ceiling in the market at a price of $0.40 per pound, then:
A.
. quantity demanded will decrease.
B.
. quantity supplied will increase.
C.
. there will be a shortage of the good.
D.
. the price ceiling will not affect the market price or output.
【单选题】The market for apples is in equilibrium at a price of $0.50 per pound. If the government imposes a price floor in the market at a price of $0.40 per pound, then:
A.
quantity demanded will decrease.
B.
quantity supplied will increase.
C.
there will be a shortage of the good.
D.
the price floor will not affect the market price or output.
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