________(84)
A.made
B.caused
C.let
D.brought

__________(83)
A.so
B.because
C.but
D.however

__________(82)
A.what
B.which
C.who
D.why

The word "defray” in the second paragraph is closest in meaning to which of the following?
A.lower
B.raise
C.make a payment on
D.make an investment toward

Which of the following best describes the author‘s attitude?
A.forgiving
B.concerned
C.vindictive
D.surprised

Where in the passage does the author discuss a cause of extinction?
A.Since the world. . ..down to zero.
B.What is alarming. . ..personal gratification.
C.Countries around. . ..for support.
D.With the money...endangered species.

A.vehicle
B.hospital
C.honest
D.heir

A.
B.music
C.studying
D.human

The above passage is divided into two paragraphs in order to contrast_____
A.a problem and a solution
B.a statement and an illustration
C.a comparison and a contrast
D.a specific and general information

The word “callousness" in the first paragraph could best be replaced by which of the following?
A.indirectness
B.independence
C.incompetence
D.insensitivity