____________(25)
A.involve
B.evolve
C.bring
D.derive

__________(26)
A.in
B.for
C.with
D.of

____________(28)
A.unique
B.incredible
C.simple
D.abnormal

A.massage
B.message
C.manage
D.village

A.sender
B.complete
C.penalty
D.bedroom

A.pollution
B.synthetic
C.politics
D.electric

I only have time to tell you the main idea of it , not the details.
A.fist
B.gist
C.twist
D.list

The word ”agents” is closest in meaning to _____
A.examples
B.causes
C.areas
D.dangers

the fact that the “land largely the site of erosion” is significant because____
A.erosion is less destructive than sedimentation
B.fossils are most common in areas subject to erosion
C.erosion contributes to the destruction of skeletal remains
D.few organisms live in areas that experience extensive erosion

The word “aided ” in the second paragraph is closest in meaning to____
A.counted
B.reformed
C.reversed
D.helped