![APlanForExploringMarsNASAismovingaheadwithplanstoputalo...]( "APlanForExploringMarsNASAismovingaheadwithplanstoputalo...")
- 问题详情：APlanForExploringMarsNASAismovingaheadwithplanstoputalong－armedlanderonMars'icynorthpoletosearchforclues(线索)forwaterandpossiblesignsoflife.TheMYM386millionPhoenixMarsisplannedtotouchdownintheMartianarcticinstationaryprobewilluseitsroboticar...
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