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【单选题】
The marginal rate of substitutionA.
is minus the slope of the indifference curve.
B.
can be computed by measuring the curvature of the indifference curve.
C.
cannot be deduced from the properties of the indifference curve.
D.
can only be computed if we know the prices of all goods.
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【简答题】The examples of the Challenger and Chernobyl cited by the author serve to show that ________. A) if not given close examination, technology could be used to destroy our world B) technology is a human ...
【简答题】如何划分部门,应遵循什么原则?有哪几种方法?
【单选题】The examples of the Challenger and Chernobyl cited by the author serve to show that ______.
A.
if not given close examination, technology could be used to destroy our word
B.
technology is a human creation, so we are responsible for it
C.
technology usually goes wrong, if not controlled by man
D.
being a human creation, technology is liable to error
【单选题】Why does the professor mention VISA and American Express?
A.
To show examples of store credit cards.
B.
To show examples of credit companies.
C.
To show advantages of credit cards.
D.
To show disadvantages of credit cards.
【单选题】These examples show that openness and the ability to change brings couples a giant step closer to the marital harmony they ______.
A.
request
B.
negotiate
C.
crave
D.
detest
【单选题】The examples of the Challenger and Chernobyl cited by the author serve to show that ______.
A.
if not given close examination, technology could be used to destroy our world
B.
technology is a human creation, so we are responsible for it
C.
technology usually goes wrong, if not controlled by man
D.
being a human creation, technology is liable to error
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