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【单选题】
According to the Uncertainty Principle ______.
A.
there is no limit to the product of the uncertainty in a particle's position and the uncertainty in its momentum
B.
the more accurately one is able to define the position of a particle, the more certain he feels about its momentum
C.
it was theoretically possible to predict the future from Newton's laws
D.
it was not theoretically possible to know the present from Newton's laws
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