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陳覺法; 張順伍 重慶七中; 河北樂亭縣湯家河高中

摘要：For a long time, humans have used technology to study the world around us, and Mars is the latest place we're using machines to explore. Besides the earth, the "red planet" is seen as the one place in our solar system (太陽系) most likely to have life.

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