The word avenues in the passage is closest in meaning to
A. inventions.
B. channels.
C. approaches.
D. formats.
查看答案
Why does the author mention plate tectonics and radiocarbon dating in Paragraph 6？
A. To identify some of James Hutton's other innovations.
B. To support the claim that Catastrophism was replaced by Uniformitarianism.
C. To prove that many of Plutonism's ideas were incorrect.
D. To explain how Hutton's theories have influenced modern geology.
The word catalyst in the passage is closest in meaning to
A. source.
B. instrument.
C. obstacle.
D. stimulus.
The word others in the passage refers to
A. territories.
B. trails.
C. places.
D. journeys.
According to the passage, both Neptunism and Plutonism were named after
A. important principles of Catastrophism or Uniformitarianism.
B. well-known theories established by early Roman thinkers.
C. the phenomenon they identified as essential to rock formation.
D. the materials they claimed that rocks were composed of.
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