What is the main idea of the passage?
A.The large number of nation parks.
B.National parks as a wildlife refuge.
C.The diversity of the national parks.
D.The differences between Mesa Verde National Park and the Everglades.

National parks in the US ………
A.are a lot different from each other.
B.change a lot in landscape and mood.
C.are made more interesting.
D.are completely different from other parks in the world.

The word 'which' in line 9 refers to.....................
A.Mesa Verde National Park
B.ruins
C.Indian
D.civilization.

Were it not for the money, this job wouldn't be worthwhile.
A.This job is not rewarding at all.
B.This job offers a poor salary.
C.Although the salary is poor, the job is worthwhile.
D.The only thing that makes this job worthwhile is the money.

Why don't we go to Nam Cat Tien National Park?' he said.
A.He asked why we didn't go to Nam Cat Tien National Park.
B.He offered to go to Nam Cat Tien National Park.
C.He suggested going to Nam Cat Tien National Park.
D.He advised us to go to Nam Cat Tien National Park.

Virgin Island National Park features an underwater (A) preserve with coral (B) reefs and colorfully (C) tropical fish.(D)
A.an underwater
B.coral
C.colorfully
D.fish

Among other (A) reason, the Humane Society established (B) to shelter (C) animals, educate animal owners, and influence legislation regarding (D) the protection of animals.
A.other
B.established
C.to shelter
D.regarding

Emma: "Oh, I've forgotten the sausages. They're in the car." Matthew: "......................"A.Will you have one.
B.Would anyone like one?
C.Shall I get them?
D.It's better here, I think

A.locates
B.located
C.is located
D.is locating

A.had
B.made
C.got
D.lost