【单选题】判定一个循环队列QU(最多元素为m)为空的条件是()
【单选题】The principle of decreasing marginal benefit means that as the quantity of a good consumed
A.
decreases, its marginal benefit decreases.
B.
increases, its marginal benefit decreases.
C.
increases, its total benefit decreases.
D.
None of the above answers is correct.
【单选题】行车中超越右侧停放的车辆时,为预防其突然起步或开启车门,应怎样做?
【单选题】完善和发展中国特色社会主义制度的实现路径是:
【判断题】以太网不是一种具体的网络,而是一种技术规范。( )
【单选题】Marginal benefit _________.
A.
is the total benefit that a consumer receives from consuming an assortment of goods and services
B.
from a good is the additional cost to a consumer of another unit of the good
C.
from a good increases as more of the good is consumed
D.
from a good reflects the maximum willingness to pay for another unit of it
【单选题】All of the following statements about marginal benefit are correct EXCEPT the marginal benefit of a good
A.
is the benefit a person receives from consuming one more unit of the good or service.
B.
is measured as the maximum amount that a person is willing to pay for one more unit of the good.
C.
is equal to zero when resource use is efficient.
D.
decreases as the quantity consumed of the good increases.