单项选择题

It is evident that, in speculating about twisting effects, Nodland and Ralslon focused mainly on______.

A．unconventional measurement instruments.
B．assumptions and deductions.
C．references to scientific literature.
D．discrimination against basic doctrines.

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单项选择题

The reactions of the scientific circles to the new reports can be best described as that of______.

A．puzzlement.
B．alarm.
C．amazement.
D．disinterest.

单项选择题

What the author tries to suggest may best be interpreted as ______.

A．"All the wit in the world is not in one head."
B．"There are two sides to every question."
C．"It's no use crying over spilt milk."
D．"Seeing is believing."