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【单选题】
In the third paragraph the author explains______.A.
what role the market system plays in producing public goods
B.
how weak the market system is in producing public goods
C.
why some people refuse to pay for public goods
D.
what we can do not make use of the market system
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反馈参考答案：
举一反三
【单选题】纸币是国家或某些地区发行的强制使用的货币符号,对“使用”一词的理解是( )
A.
纸币可以作为世界货币在国际上流通
B.
纸币可以作为价值尺度
C.
币可以作为流通手段
D.
纸币可以作为贮藏手段
【简答题】迈克住在公园街。 Mike lives _______ Park Street.
【单选题】We have to our sports meeting till next week because of the bad weather.
A.
take off
B.
put off
C.
get off
D.
set off
【单选题】O~tr school had to the soccer games because of the bad weather, which made students frustrated.
A.
put on
B.
put off
C.
put up
【单选题】________ the bad weather we enjoyed our holiday very much.
A.
As the result of
B.
In spite of
C.
Because of
D.
According to
【单选题】Our school had to the soccer games because of the bad weather, which made students frustrated.
A.
put on
B.
put off
C.
put up
D.
put down
【单选题】Because of the bad weather，the sports meet had to be______.
A.
shut down
B.
done away
C.
taken off
D.
called off
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