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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单词拼写
  • 难度 较难
  • 浏览 626

词形转换(本题有10小题,每小题1分,共10分)
When it is very, very cold, there’s     (ice) on lakes. It might be safe to          _______(skate) on lakes, but be very careful!     (although) it may feel cold, it might not be safe. The        (temperature) has to be at least       (minus) one or two _______(degree) or even lower for several   (week) and the ice will be thick enough. Falling through the ice is    (dangerous). I am not      .(joke) You had better_____(wear) kneecaps(护膝) .

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词形转换(本题有10小题,每小题1分,共10分)Whenit