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        1. Earth is believed _____ by an object the size of Mars at some point in the distant past before its surface cooled.

          A. to be hit
          B. to have hit
          C. to have been hit
          D. to hit
          相關(guān)習(xí)題

          科目:高中英語(yǔ) 來(lái)源:2010-2011學(xué)年北京市東城區(qū)高三上學(xué)期英語(yǔ)綜合練習(xí)(一) 題型:單項(xiàng)填空

          Earth is believed ______ by an object the size of Mars at some point in the distant past  

          before its surface cooled.

                 A.to be hit   B.to have hit       C.to have been hit       D.to hit

           

          查看答案和解析>>

          科目:高中英語(yǔ) 來(lái)源: 題型:單選題

          Earth is believed ______ by an object the size of Mars at some point in the distant past   before its surface cooled.


          1. A.
            to be hit
          2. B.
            to have hit
          3. C.
            to have been hit
          4. D.
            to hit

          查看答案和解析>>

          科目:高中英語(yǔ) 來(lái)源:安徽省模擬題 題型:單選題

          Earth is believed ______ by an object the size of Mars at some point in the distant past before its
          surface cooled.
          [     ]

          A. to be hit
          B. to have hit
          C. to have been hit
          D. to hit

          查看答案和解析>>

          科目:高中英語(yǔ) 來(lái)源:專(zhuān)項(xiàng)題 題型:單選題

          Earth is believed ____ by an object the size of Mars at some point in the distant past before its surface
          cooled.
          [     ]
          A. to be hit
          B. to have hit
          C. to have been hit
          D. to hit

          查看答案和解析>>

          科目:高中英語(yǔ) 來(lái)源:北京模擬題 題型:單選題

          Earth is believed _____ by an object the size of Mars at some point in the distant past before its surface cooled.
          [     ]
          A. to be hit
          B. to have hit
          C. to have been hit
          D. to hit

          查看答案和解析>>

          科目:高中英語(yǔ) 來(lái)源: 題型:

          Earth is believed ______ by an object the size of Mars at some point in the distant past   

          before its surface cooled.

                 A.to be hit   B.to have hit       C.to have been hit       D.to hit

          查看答案和解析>>

          科目:高中英語(yǔ) 來(lái)源:2011屆北京市東城區(qū)高三上學(xué)期英語(yǔ)綜合練習(xí)(一) 題型:單選題

          Earth is believed ______ by an object the size of Mars at some point in the distant past  
          before its surface cooled.

          A.to be hitB.to have hit C.to have been hitD.to hit

          查看答案和解析>>


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