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        1. Don’t run in the classroom,       you may hurt yourself.

          A.a(chǎn)nd B.or C.but D.so

          B

          解析試題分析:句意:不要在教室里跑,否則你會受傷。A. and 而且,表示遞進(jìn)關(guān)系; B. or否則,用于警告和忠告;   C. but 但是,表示轉(zhuǎn)折關(guān)系; D. so所以,表示因果關(guān)系。根據(jù)Don’t run in the classroom,可知此處祈使句,表示警告他不要在教室里跑,可能會受傷。故選B。
          考點(diǎn):考查連詞的用法。

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