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.

步骤 1：分析句子结构和语法
- 第61题：句子结构为“...the name was inspired by an ancient Chinese moon goddess ___61___ (touch) down last week in the South Pole-Aitken basin.”，这里需要一个动词的过去式，表示“着陆”。
- 第62题：句子结构为“Landing on the moon’s far side is ___62___ (extreme) challenging.”，这里需要一个副词来修饰形容词“challenging”。
- 第63题：句子结构为“...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.”，这里需要一个关系副词引导定语从句。
- 第64题：句子结构为“The far side of the moon is of particular ___64___ (interesting) to scientists...”，这里需要一个名词，表示“兴趣”。
- 第65题：句子结构为“...more so ___65___ the familiar near side.”，这里需要一个介词，表示比较。
- 第66题：句子结构为“...Chinese researchers hope to use the instruments onboard Chang’e-4 ___66___ (find) and study areas of the South Pole-Aitken basin.”，这里需要一个不定式表示目的。
- 第67题：句子结构为“...because it ___67___ (mean) we have the chance to obtain information...”，这里需要一个动词的第三人称单数形式。
- 第68题：句子结构为“...how the moon ___68___ (construct)...”，这里需要一个被动语态。
- 第69题：句子结构为“...how ___69___ ice and other treasures it contains...”，这里需要一个疑问词，表示“多少”。
- 第70题：句子结构为“...whether ____70____ (it) plans for a future lunar (月球的) base are practical.”，这里需要一个形容词性物主代词。

步骤 2：根据语法和语境选择正确答案
- 第61题：touch的过去式是touched。
- 第62题：extreme的副词形式是extremely。
- 第63题：关系副词where引导定语从句。
- 第64题：interesting的名词形式是interest。
- 第65题：比较级用than。
- 第66题：不定式to find表示目的。
- 第67题：mean的第三人称单数形式是means。
- 第68题：construct的被动语态是is constructed。
- 第69题：疑问词how much表示“多少”。
- 第70题：形容词性物主代词its。