人类掠夺式的开发造成生态环境破坏是生物灭绝和濒危的主要原因。 [ ]
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The word abundant in paragraph 3 is closest in meaning to
A. numerous
B. tropical
C. familiar
D. poisonous
A．releasedB．publishedC．announcedD．issuing
A. released
B. published
C. announced
D. issuing
We can learn the meaning of "odor" (Paragraph 2) is ______.
A. smell
B. gas
C. possibility
D. smoke
Roosevelt's comparison of investigative reporters to"muckrakers" shows his view that these
A. were treated lowly in the society
B. reduced journalism to a humble job
C. should be praised highly for their contributions to the society
D. did unpleasant but necessary work
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