What is the tone of the passage Pale Blue Dot?

What is the main idea of Pale Blue Dot by Carl Sagan?

Those pale blue flowers _______ like jewels against the dark, bare oil.

中国大学MOOC: Pale Blue Dot written by Carl Sagan asked us to cherish our earth.

Those pale blue flowers _______ like jewels against the dark, bare oil. A: stand out B: turn up C: stand for D: set apart

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.

pale

7 a pale yellow top ____

Bruno has got_ A: blue eyes, fair skin, light brown hair, and he is six feet tall B: brown eyes, fair skin, dark hair, and he is six feet seven inches tall C: brown eyes, pale white skin, dark hair, and he is six feet tall D: blue eyes, darkish skin, light brown hair, and he is six feet seven inches tall

中国大学MOOC: Before long, a young woman appeared: short, with short ___________ and pale-blue eyes.(light brown or light yellow)