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討論串[SC. ] OG12#84 Often visible as smog....
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84. Often visible as smog, ozone is formed in the. atmosphere from hydrocarbons and nitrogen oxides,. two major pollutants emitted by automobiles, rea
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when 本身就有當作連接詞的作用. Often visible as smog, ozone is formed in the atmosphere. --> 此句話已經敘述完畢. 而後面 two major pollutants emitted by automobiles, react wit
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我們將(C)代入原文,整個句子成為:. Often visible as smog, [ozone 的修飾語]. ozone is formed in the atmosphere, [子句一]. and when. hydrocarbons and nitrogen oxides, [子句二主詞部
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感謝D大,這裡補充一點D大沒講詳細,可能導致同學疑惑的地方:. 要先確認when 在邏輯意思與文法結構上屬什麼子句,. 才能知道該用什麼樣的子句平行。. when有可能是. 1. 副詞子句 修飾句子動作發生的情況. 這種時候用how平行就怪了,. When he ran in my room, an
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