China has become the first country to land a spacecraft on the far side of the moon. The unmanned Chang’e-4 probe (探测器) - the name was inspired by an ancient Chinese moon goddess ___61___ (touch) down last week in the South Pole-Aitken basin. Landing on the moon’s far side is ___62___ (extreme) challenging. Because the moon’s body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot ___63___ it could send signals to the spacecraft and to Earth. The far side of the moon is of particular ___64___ (interesting) to scientists because it has a lot of deep craters (环形山)， more so ___65___ the familiar near side. Chinese researchers hope to use the instruments onboard Chang’e-4 ___66___ (find) and study areas of the South Pole-Aitken basin. ＂This really excites scientists,＂ Carle Pieters, a scientist at Brown University, says, ＂because it ___67___ (mean) we have the chance to obtain information about how the moon ___68___ (construct)＂ Data about the moon’s composition, such as how ___69___ ice and other treasures it contains, could help China decide whether ____70____ (it) plans for a future lunar (月球的) base are practical.
