单项选择题

When teachers are mentioned to act as a facilitator, they should be acting ______.

A．easily
B．familiarly
C．fast
D．helpfully
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单项选择题
When the author says scientists cannot ask God to replicate the miracle for the sake of a controlled experiment , he implies that______.
A．scientists can do something that God may not be able to do
B．scientists cannot work miracles, because it is only God that does wonders
C．scientific experiments should not be controlled if we intend to work miracles
D．scientific experiments may not solve all the problems for the sake of experiment
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 passag
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