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        1. Everybody tells us we can’t pass the exam ________ we study hard.
          A.becauseB.orC.unlessD.a(chǎn)nd
          C

          試題分析:句意:每個(gè)人都告訴我們除非我們努力學(xué)習(xí)否則就會(huì)考試不及格。Unless表示“除非”, unless是從屬連詞,引導(dǎo)條件狀語(yǔ)從句,含有否定意義,相當(dāng)于if條件狀語(yǔ)從句的否定形式。所以u(píng)nless =" if" not;because意為“因?yàn)椤,表示原因;or意為“或者,否則”,表示選擇;and意為“和”,表并列;故選C。
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