Starting with the ___ that there is life on the planet Mars,
Starting with the ___ that there is life on the planet Mars,
That there is life on another planet is almost impossible.
Mars is the fourth planet from the sun and it's the most ___
英语翻译The question whether there is life on Mars (火星) has made
there is now considered to be no life on the Mars
The scientist became convinced that life exists on Mars whil
Most of the scientists think that Mars is a ______ planet.(l
Life on the planet is born of woman.
NOVA IS THERE LIFE ON MARS怎么样
The planet Mars appears red.
Most scientists believe that there is no life on Mars as c__
Is there life on Mars(火星)?We do not know.We are sure that ea