NASA’s
methodical approach to the exploration of Mars has not yet answered the
questions of whether biological life forms ever emerged on Mars and
whether, presuming such life forms having left fossil traces to begin with,
those traces can still
exist in some moist recesses of the cold and arid planet.
and
whether, presuming such life forms having left fossil traces to begin
with, those traces can
and
whether, if it is presumed that such life forms left some fossil traces to
begin with, can those traces
and
whether, presuming such life forms left fossil traces to begin with, those
traces
and,
presuming such life forms did leave some fossil traces to begin with, if
they can
and,
presuming such life forms to have left fossil traces to begin with, if
they
presume someone doing something是正确用法吗？谢谢！
NASA’s
methodical approach to the exploration of Mars has not yet answered the
questions of whether biological life forms ever emerged on Mars and
whether, presuming such life forms having left fossil traces to begin with,
those traces can still
exist in some moist recesses of the cold and arid planet.
and
whether, presuming such life forms having left fossil traces to begin
with, those traces can
and
whether, if it is presumed that such life forms left some fossil traces to
begin with, can those traces
and
whether, presuming such life forms left fossil traces to begin with, those
traces
and,
presuming such life forms did leave some fossil traces to begin with, if
they can
and,
presuming such life forms to have left fossil traces to begin with, if
they
