【判断题】宽容心越大的社会,个人自如选择性取向的几率就高。()
【单选题】对一 斜率为正且先与价格轴(纵轴)再于数量轴(横轴)相交的直线型供给曲线,其供给价格弹性( )
【单选题】The price effect is equal to the
B.
substitution effect plus the income effect.
C.
marginal rate of substitution minus relative prices.
D.
substitution effect minus the income effect.
【单选题】加油站常年挂着“请熄火加油”、“请不要使用手机”等标语,这样要求是为了防止火花点燃汽油引起火灾,因为在常温下汽油容易( )
【单选题】price ceiling will have no effect if:
A.
it is set above the equilibrium price.
B.
the equilibrium price is above the price ceiling.
C.
it is set below the equilibrium price.
D.
it creates a shortage.
【单选题】A price ceiling will have no effect if:
A.
. it is set above the equilibrium price.
B.
. the equilibrium price is above the price ceiling.
C.
. it is set below the equilibrium price.
D.
. it creates a shortage.
【单选题】某产妇,诊断为混合臀先露,骨盆外测量,髂棘间径 26cm,髂嵴间径28cm,骶耻外径19.5cm,坐骨结节间径9.5cm,肛查宫口开大1指,宫缩30-40秒/5~6分钟,规律,该产妇的骨盆诊断为
【单选题】The price effect is the effect of a ________ on the quantity of the good ________.
A.
decrease in the price; demanded
B.
change in the price; supplied
C.
change in price and income; consumed
D.
change in the price; consumed