根据下列材料,回答题Which of the following statements about Flowers an

根据下列材料,回答题Which of the following statements about Flowers and Yeo is true?

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What the coach told the author during his practice was.

What the coach told the author during his practice was.

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若2x=3,4y=5,则2x-2y的值为:

若2x=3,4y=5,则2x-2y的值为:

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某列车通过250米长的隧道用25秒.通过210米的铁桥用23秒,该列车与另一列长320米.速度为每小时行64.8千米的火

某列车通过250米长的隧道用25秒.通过210米的铁桥用23秒,该列车与另一列长320米.速度为每小时行64.8千米的火车错车时需要多少秒?

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This passage mainly talks about Australia's .(  )

This passage mainly talks about Australia's .(  )

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