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  • 請問這句話的語法正確嗎?

    請問這句話的語法正確嗎?
    To identify the two substances, which are chosen randomly amongst six white powders, by carrying out a range of experiments. 如有語病請予以糾正,謝謝各位大蝦了...
    不好意思,沒粘貼全。這是個化學報告,開頭原句是這樣的
    Aim:To identify the two substances, which are chosen randomly amongst six white powders, by carrying out a range of experiments.
    英語人氣:332 ℃時間:2020-06-14 13:13:00
    優(yōu)質解答
    可改為:
    To identify the two substances,which are chosen randomly amongst six white powders,a range of experiments has been carried out.
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