Pale Blue Dot written by Carl Sagan asked us to cherish our earth.

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.

A、resistance

B、compensation point

C、infiltration

D、biogeochemistry

A、asked

B、told

C、prompted

D、claimed

A、indifference

B、interest

C、deviation

D、discrimination

A、(2)(3)(1)(5)(4)

B、(3)(2)(1)(5)(4)

C、(3)(1)(5)(2)(4)

D、(3)(1)(2)(5)(4)

A、Exemplification is supporting ideas with examples.

B、The deeds of great people are always the first choice for giving examples.

C、The combination between exemplification and cause-and-effect can achieve greater effect.

D、Exemplification is to help the abstract idea more concrete.