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【判断题】
配位滴定中，副反应的发生均不利反应的进行。（）A.
正确
B.
错误
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【单选题】—Could you tell me ________? —It's about ten minutes' ride. [ ]
A.
where is your school
B.
which the way to your school is
C.
when do you go to school
D.
how far your school is from here
【简答题】翠叶藏莺,朱帘隔燕, 。
【简答题】补写出下列横线处的上句或下句 翠叶藏莺,朱帘隔燕,( _____ )。(晏殊《踏莎行》)
【单选题】During November 2012, gasoline prices were falling, which made travel by car less expensive, but air fares remained as high as ever. If income is unchanged and air travel is a normal good, _________.
A.
the substitution effect is an increase in car travel and the income effect is a decrease in car travel
B.
both the substitution and income effects decrease car travel
C.
the substitution effect is an increase in car travel and there is no income effect on car travel
D.
both the substitution and income effects increase car travel
【单选题】Which of the following events could shift the demand curve for gasoline to the left?
A.
The income of gasoline buyers rises, and gasoline is a normal good.
B.
The income of gasoline buyers falls, and gasoline is an inferior good.
C.
Public service announcements run on television encourage people to walk or ride bicycles instead of driving cars.
D.
The price of gasoline rises.
【单选题】Gasoline is a normal good. If the price of gasoline falls, a consumer buys more gasoline because of
A.
only an income effect.
B.
only a substitution effect.
C.
an increase in the marginal rate of substitution.
D.
both an income effect and a substitution effect.
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