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【多选题】
下列说法正确的是( )。A.
投影法中规定，空间点选用字母是应大写字母。
B.
投影法中规定，空间点在H面的投影选用字母是应右上角加一撇的小写字母。。
C.
投影法中规定，空间点在V面的投影选用字母是应小写字母
D.
投影法中规定，空间点在W面的投影选用字母是应右上角加两撇的小写字母。
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举一反三
【单选题】Human capital
A.
can be thought of, metaphorically, as the quality of society’s textbooks, whereas technological knowledge can be thought of as the time that the population has devoted to reading textbooks.
B.
is more tangible than physical capital.
C.
is an input in the production of goods and services.
D.
is the same as the quantity of labor.
【单选题】Human capital is:
A.
the improvement in labor made possible by education and knowledge that is embodied in the workforce.
B.
the machinery and tools that each worker owns.
C.
robots that can perform tasks that only humans could do in the past.
D.
not as important as physical capital.
【单选题】Human capital is
A.
all capital owned by individuals, but not by corporations or governments.
B.
all capital owned by individuals or corporations, but not by governments.
C.
machinery that meets or exceeds federal safety standards for use by humans.
D.
the skill and knowledge of workers.
【单选题】If the price of a product changes by 5 percent, and as a result quantity demanded changes by 10 percent ( )
A.
demand for the product is price inelastic
B.
revenue will rise if the price change was an increase
C.
revenue will fall if the price change was a reduction
D.
revenue will rise if the price change was a reduction
【判断题】If a price changes, then changes in consumption at the intensive margin are changes that happen because consumers alter the amounts that they consume, but do not either stop consuming or start consumi...
A.
正确
B.
错误
【简答题】在SQL Server 2008中，计算两个日期之差的函数是【6】。
【单选题】According to the human capital view of education, education
A.
has no impact on the human capital of workers.
B.
increases human capital and the wages of workers.
C.
can make any worker into a superstar.
D.
only helps firms sort workers into high-ability and low-ability workers.
【简答题】在SQL Server 2008中
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