优优班--学霸训练营 > 知识点挑题
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            • 1. __________smoking does great harm to health, my doctor advises me to give it up.(  )
              A.As
              B.For
              C.That
              D.Thus
            • 2.

              I am an optimist ________ I believe that human beings do not always try to make life worse for themselves.

              A.in which
              B.in that              
              C.now that               
              D.about which
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