They eat less sugar and that is ________ they have ________ white teeth.


  1. A.
    because, healthy
  2. B.
    why, health
  3. C.
    because, health
  4. D.
    why, healthy
D
解析：
考查表語從句。此題考查了兩個(gè)知識(shí)點(diǎn)①that is why…意為“……的緣故”；
that is because…意為“那是因?yàn)椤雹趆ealth是名詞healthy是形容詞。從題干所給的意義分析第一個(gè)空格只能用why，第二只能用作賓語的形容詞healthy。所以正確答案為D。
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科目：高中英語 來源：2008屆皖南八校第一次聯(lián)考、英語 題型：050

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　　People express their personalities in their clothes, their cars, and their homes．Because we might choose certain foods t0“tell”people something about us, our diets can also be an expression of our personalities．For example．some people earn mainly gourmet(供美食家享用的)foods, such as caviar(魚子醬)and lobster(龍蝦), and they eat only in expensive restaurants(never in cafeterias or snack bars)．They know about the“better things in life．”

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(1)

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[　　]

A．

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B．

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[　　]

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1．Why do some people mainly eat gourmet foods?

      A．Because they want to show off their wealth．

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      C．foods from different countries          D．meat and fish

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      A．foods are used as a mirror of the human history

      B．you can know a person from what he eats

      C．people are particular about the foods they eat

      D．what people eat may change their personalities

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