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文法一致性?

The United States, a nation with a highly diversified economy, is a major exporter of grain, fruit, chemical, aircraft, and cars.

答案寫chemical出錯!!

grain fruit chemical aircraft cars => 都名詞不是嗎?

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順便問個兩題

The oldest public edifice in Washington D.C., the White House was originally

constructed in the 1790's, also has been rebuilt or extensively remodeled three times since.

also錯了

also可以當連接詞

但要如何使用呢?(and also?)

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Orchid seeds take up to eighteen months to mature before they sprout, and the

young plants may need another two years to reach at the flowering stage.

reach at 錯了

是 reach in嗎?

懇請指教!!

2 Answers

Rating
  • ?
    Lv 7
    9 years ago
    Favorite Answer

    1.此處的chemical是可數名詞=>化學製品之意,因不可能只輸出一種故要用複數型chemicals2. 因這裡the White House沒有提到其它建築或物件,不能用also,also是表示和其它主詞”也”做同樣動作時使用,因此本句如下,以逗號分開就好,三段的後二段,刪去其中一段還是完整的句子The oldest public edifice in Washington D.C., the White House was originally constructed in the 1790's, has been rebuilt or extensively remodeled three times since.3.Orchid seeds take up to eighteen months to mature before they sprout, and the young plants may need another two years to reach the flowering stage.Reach在此為及物動詞”達到”之意,其後不加任何介詞

    Source(s): Geoffrey
  • nung
    Lv 7
    9 years ago

    1. chemicals

    2. and has been rebulit ......

    3. to reach the folwering stage.

    2012-07-19 16:21:49 補充:

    OOPS!

    flowering

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