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【单选题】
搭便车通常多被看作是公共物品，是指A.
有些人能够免费使用公共交通工具
B.
有些人能够以低于正常成本的价格使用公共交通工具
C.
无法防止不愿意付费的人消费这些商品
D.
由于公共物品的供给大于需求，从而把价格压低，直到实际上免费供应为止
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反馈参考答案：
举一反三
【简答题】The author’s attitude towards Larry Myers’ works is ________. A) cautious B) approving C) suspicious D) overenthusiastic
【单选题】During the 1990s, which of the following experienced the slowest rate of growth in real GDP per person?
A.
Japan
B.
The big 4 nations of Europe
C.
United States
D.
Canada
【单选题】In order to have Visual Staying Phenomenon, the slowest motion speed is ____________ frames per second.
A.
23
B.
24
C.
25
D.
26
【单选题】Even the slowest peson can ____ a fast runner by learning and practicing running techniques.
A.
become
B.
became
C.
becomed
D.
be becoming
【单选题】The author's attitude towards Larry Myers' works is approving.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】According to Dr. Norman Myers, _________. A) protecting and investing in hot spots can save species from extinction B) conservation efforts should not center on hot spots C) governments should invest ...
【单选题】Advertising revenue is likely to be ( ) or even slide by no more than 5 per cent.广告收入可能会持平甚至会有不超过5个百分点的下降。
A.
fat
B.
flee
C.
flat
D.
fly
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