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【简答题】
根据细菌的氧气的需求不同可分为_、_、_、_。
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皮皮学刷刷变学霸
举一反三
【单选题】When the marginal utility of a good is zero, this implies that
A.
a consumer would not spend any additional income to buy more of that good.
B.
consumption of additional units would have positive marginal utility.
C.
total utility is minimized.
D.
total utility is also zero.
【单选题】The property of diminishing marginal product means that, after a point, when additional quantities of:
A.
a factor are added, output diminishes.
B.
both labor and capital are added, output diminishes.
C.
both labor and capital are added, the marginal product of labor diminishes.
D.
a factor is added when another factor remains fixed, the marginal product of that factor diminishes.
【单选题】When marginal revenue is positive,
A.
demand is elastic
B.
marginal revenue is greater than price
C.
decreasing price will decrease total revenue
D.
all of the above
【多选题】下列字形有误的选项是:
A.
单薄 空 隙 雅舍 喁喁 细雨
B.
榛 莽 瞰 灯 砉 然 一戳 就破
C.
卜 居 岑 寂 参 差 长日无理
D.
茆 草 竹篾 空 隙 不拘 篇章
【判断题】函数在某点可导,则在该点一定连续 2、函数在某点连续,则在该点一定可导 3、函数在某点不连续,则在该点一定不可导 4、极值点一定是稳定点 5、稳定点一定是极值点 6、极大值一定大于极小值 7、极值可以在区间端点处取到 8、函数在某点导数大于0,则这一点的倾斜角是锐角
A.
正确
B.
错误
【单选题】Resource use is efficient when production is such that marginal social benefit is
A.
greater than marginal social cost.
B.
equal to marginal social cost.
C.
less than marginal social cost.
D.
at its maximum value.
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