is encoded with Differential Manchester in the diagram below.
A. 10110011100
B. 11001100011
C. 111001101
D. 11000110010
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他的巨大进步 使同学们 使所有的老师们都感到十分惊讶。
A. 尽管……但是……
B. 不仅……甚至于……
C. 不但不……还……
D. 由于……以致……
As the wage rate per hour increases, the opportunity cost of leisure______.
A. remains constant
B. decreases since the consumer now has more income to spend
C. increases since the cost of forgoing one hour of work increases
D. may increase or decrease depending on the individual's preferences
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