单项选择题
The specialist is______to identify any particular principle as fundamental, insisting that only when viewed within its proper context can a principle be______.
(A) motivated… second-guessed
(B) obligated… validated
(C) unlikely … impeached
(D) loath… invoked
(E) careful… vetoed
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单项选择题
Which of the following best summarizes the author’s opinion of the use of quantum mechanics to describe entanglement
(A) It is a useful method, but it is not yet complete.
(B) It is the best application of quantum mechanics at present.
(C) It is discredited by the fact that entanglement does not behave in ways conforming to existing laws.
(D) It is an interesting method, but the analogies we draw from quantum mechanics are not wholly apt.
(E) There is experimental evidence that confirms its limitations.
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单项选择题
The author mentions sight unseen primarily in order to emphasize that Shor’s method
(A) does not allow for the cloning of a bit of quantum information that has not first been recognized
(B) tends to be less reliable than classical information correction, because it is impossible to discern whether Shor’s is successful
(C) has been accepted by physicists without much skeptical investigation
(D) allows for a quantum correction where the individual states of quantum bits do not need to be reported.
(E) quantum correction circuits tend to operate at random
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