题目选项分析

In July 1965 Mariner IV passed by Mars and took the first-ever close-up photographs of another planet, photos showing the Martian surface to be that of the Moon's, dry and apparently dead, and it was pockmarked by moonlike craters.

In July 1965 Mariner IV passed by Mars and took the first-ever close-up photographs of another planet, photos that showed a dry, apparently dead Martian surface pockmarked with craters like those on the Moon.