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環境保護 デイリーステッカー4.06 参加賞5 正解するとさらに5

2016-04-06View Original

Thread Content

複数選択問題:自動車の排気ガスには多くの有害物質が含まれている。主に( )A、二酸化窒素 B、塩化水素 C、一酸化炭素 D、炭化水素 A.C.D
Reply #22016-04-06
この投稿は最後にjcicwhtによって2016-4-6 12:22に編集されました。A、二酸化窒素 C、一酸化炭素 D、炭化水素
Reply #32016-04-06
自動車の排気ガスには多くの有害物質が含まれています。主に(A C D)A、二酸化窒素 B、塩化水素 C、一酸化炭素 D、炭化水素
Reply #42016-04-06
ACD~~~~~~~~~
Reply #52016-04-06
A、二酸化窒素 C、一酸化炭素 D、炭化水素
Reply #62016-04-06
C...............

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