英语 高三 词汇题 较难

定语从句在说明文中的运用 — 英语词汇题

译林版·英语(高中) Unit 2 Out of this world AI 三重审校通过

题目
用适当的关系词补全下面句子(每空一词)。1. Astronomers study objects ______ are located far beyond the reach of ordinary telescopes. 2. The rover, ______ design was based on the lunar lander, has already begun exploring the surface of Mars.