I.记叙文
1. 【2020·全国卷I】
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
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.