单项选择题

Who is supposed to be the first to use the parable of Nord's Net, according to this passage

A．Professor Warren A．Nord.
B．The astronomer Arthur Eddington.
C．Some ancient saga.
D．The author of this passage.
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单项选择题
The purpose of this passage is
A．to talk about employment problems in the science classroom.
B．to examine the appropriateness of the wide use of metaphor.
C．to see if it is wise to summarize the parable of Nord's Net.
D．to familiarize you with its wide application in discussions.
单项选择题
Ireland's total primary energy requirements ten years ago amounted to 8 billion tons of oil equivalent, ______ 38% was produced from indigenous sources.
A．which
B．of which
C．part of which
D．out of which
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