It is known to all that ____ you exercise regularly, you won’t stay healthy.


  1. A.
    because
  2. B.
    unless
  3. C.
    now that
  4. D.
    in case
B
試題分析:連詞辨析。A因為;B除非,如果..不;C既然;D以防;句意:眾所周知,如果你不經(jīng)常鍛煉,你就不會保持健康。故B正確。
考點:考查連詞辨析
點評:本題的4個連詞都是考試中?嫉倪B詞,特別注意unless,該詞在使用的時候要改成if…not…。這樣更便于學生的理解。
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