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【单选题】
下列俗语描述的现象与经济学名词对应错误的是A.
覆水难收——机会成本
B.
一山不——完全垄断
C.
入芝兰之室，久而不——边际效应递减
D.
城门失火，殃及池鱼——负外部效应
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举一反三
【简答题】通信协议由同步、语法和 组成。
【单选题】According to the passage, a private-enterprise economy is characterized by ______.
A.
private property and rights concerned
B.
manpower and natural resources control
C.
ownership of productive resources
D.
supply and demand regulated price
【单选题】The recent test in Britain shows that______.
A.
EMS provides better services than the private couriers
B.
the private couriers are as cheap as EMS
C.
the private couriers are faster than EMS
D.
EMS is always cheaper than the private couriers
【单选题】The last paragraph tells us that______.
A.
inadequate federal funding facilitated the privatization of schools and museums
B.
public institutions were too quick to accept corporate marketing as a source of funding
C.
companies manipulated schools through sophisticated ad campaigns
D.
by the 1980s, very few public institutions were not being funded by corporations
【单选题】According to the passage, a private-enterprise economy is characterized by ______.
A.
private property and rights concerned
B.
manpower and natural resources control
C.
ownership of productive resources
D.
free contracts and prices
【单选题】Which of the following statements is TRUE? A There are many cases indicating that private schools are superior to public schools.
B.
The author thinks diversity of education is preferable to uniformity of education.
C.
A high-quality university is always a good business.
D.
Each time fees are raised, the enrollment goes up.
【简答题】存储400个24×24点阵汉字字形所需的存储容量是多少?
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