在谈判时，我们可以把手机放在手旁以便及时接收信息。判断正确与否。
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尊者出电梯应该缓慢持重，服务人员应比尊者提前出电梯。判断对错
Which of the following is NOT an assumption regarding people's preferences in the theory of consumer behavior?
A. Preferences are complete.
B. Preferences are transitive.
Consumers prefer more of a good to less.
D. All of the above are basic assumptions about consumer preferences.
If a market basket is changed by adding more of at least one good, then rational consumers will:
A. rank the market basket more highly after the change.
B. more likely prefer a different market basket.
C. rank the market basket as being just as desirable as before.
D. be unable to decide whether the first market basket is preferred to the second or vice versa.
E. have indifference curves that cross.
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