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接触コーキング改質油ブレンドバージョン 20190827

2019-08-27View Original

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参加する:賞品 1 フォーチュン;正解:賞品 3 富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 多肢選択問題:毒の沸点は ( ) です。A. 濃度が低いほど毒性は低くなります。 B. 値が高いほど毒性が高くなります。 C. 値が低いほど、毒性が高くなります。 D. 毒性とは何の関係もありません。答え: C https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注記:答えは2日後に自動的に発表されます。

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