中国大学MOOC: Pale Blue Dot written by Carl Sagan asked us to cherish our earth.
举一反三
- What is the main idea of Pale Blue Dot by Carl Sagan?( ) A: There are a lot of conflicts on our earth. B: Humans have imagined self-importance. C: We should cherish our earth. D: Our planet is a lonely speck.
- What is the main idea of Pale Blue Dot by Carl Sagan?
- Carl Sagan believes that Venus might be colonized from earth because _____
- What is the tone of the passage Pale Blue Dot?
- Carl Sagan suggests that modem man ______. A: is very confused about the origin of the Earth B: might possibly reach life outside the C: believes it is possible to step off the Earth D: is historically incapable of exploring the universe