【单选题】What is the professor's opinion of The Medium is the Message?
A.
It is a good source of information about cultural history.
B.
Its ideas are becoming less relevant today than in the past.
C.
It was the first book to argue that television was bad for society.
D.
It will influence how the students think about communication.
【单选题】In my hometown, the old over 100 years old __ not only by their family but also by the government . A. B. good care of C. is taken good care of D. are take good care of
D.
are taken good care of
【判断题】When a production possibilities frontier is bowed outward, the opportunity cost of the second good in terms of the first good increases as more of the second good is produced.
【单选题】The cross elasticity of demand for good X with respect to the price of good Y is negative. Good X is a normal good and good Y is an inferior good. The supply of good X is perfectly elastic. A rise in ...
D.
initially raise and then lower
【单选题】The marginal benefit of a good is a measure of
A.
the price of the good.
C.
how much a consumer values another unit of the good.
D.
the total utility that the consumer gets from the good.