3月初二英语综合能力测试题
本文作者： 21st
and landed on Mars on May 25, 2008. It finished lots of work during the five months. It had shown that there was ice on Mars’ north part. It also found that there is soil and salt on Mars. It could be a sign of water, NASA said. Phoenix also took more than 25,000 pictures of Mars and sent them back to Earth. |  |
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