What is the main idea of Pale Blue Dot by Carl Sagan?A.Our planet is a lonely speck.B.Th

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

A.Our planet is a lonely speck.

B.There are a lot of conflicts on our earth.

C.Humans have imagined self-importance.

D.We should cherish our earth.

您可能感兴趣的试题

What is the main idea of the last paragraph of the passage？A．Change is unavoidable.B．The c

答案解析
What is the main idea of the passage？A．There is little danger of serious after－effects whe

答案解析
What is the main idea of the passage？A. Our life is governed by the law of time.B. How

答案解析
What is the main idea of this passage?A. How to r

答案解析
What is the main idea of the articleCigars:Healt

答案解析
What is the main idea of the last paragraph?A.She

答案解析
What is the main idea of the passage？A．American f

答案解析