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单选题
The author cites bicycle here to depict that _____.
A
bicycle is preferred in the case of transportation in short distance
B
bicycle is still popular even in rich countries
C
bicycle can give better exercises to human’s bodies despite of some defects
D
bicycle is more risky without protection equipment
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参考解析
解析：
全文的核心意思是使用自行车有诸多好处。虽然自行车有很多不足之处，无法免受天气的影响等，但是如果经过改装可以解决不足。文章的末尾讲到了使用自行车能锻炼人的肌肉等问题。
全文的核心意思是使用自行车有诸多好处。虽然自行车有很多不足之处，无法免受天气的影响等，但是如果经过改装可以解决不足。文章的末尾讲到了使用自行车能锻炼人的肌肉等问题。
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共用题干
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B.a;不填
C.the;the
D.a;the
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a very efficient and simple deviceB
much cheaper than a carC
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still used by rich people
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