中国大学MOOC: “Big Ear” was a large radio __________, which listened for signals from space.
举一反三
- 中国大学MOOC: The purpose of summary is to condense large amounts of information into a small space.
- 中国大学MOOC: Which phrase signals the end of a presentation?
- 中国大学MOOC: Which of the following transition signals is not used for describing causes?
- Which area has a large space for storage?
- Generally speaking, there are four categories of space. They are intimate space, personal space, _______ space, and public space.