A.undertakes activities until the net benefits become less than zero
B.makes choices based on total benefits and total costs
C.considers the financial benefits and financial costs of making a choice
D.makes choices based on added benefits and added costs
第2题
A.enslaved by tradition
B.less than fully rational
C.determined on controversy
D.having a closed mind
第3题
A.enslaved by tradition
B.less than fully rational
C.determined on controversy
D.having a closed mind
第4题
A.enslaved by tradition
B.less than fully rational
C.determined on controversy
D.having a closed mind
第6题
第7题
A、positive
B、negative
C、neutral
D、indifferent
第8题
The author thinks that ______.
A.emotions are rational
B.emotions interfere with rational thought
C.emotions help us
D.emotions get us into trouble
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