Since AlphaGo systems do not ____ human knowledge about the task at hand, they are not limited by the fact that we know more than we can tell.
A. care about
B. store up
C. rely on
D. object to
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Whether they cut their fingers while chopping vegetables or accidentally stub their food---it is common to grimace at the mere ____of their pain.
A. vision
B. touch
C. sight
D. glance
Appearance ___ lead one to misjudge the substance.
A. is meant to
B. is bent to
C. is subject to
D. is apt to
The spokesman ____a bridge between the government and the public.
A. functions as
B. looks like
C. casts as
D. performs as
It is likely that the girl student has been murdered, because she has been ___with her parents for two weeks.
A. closed up
B. out of contact
C. in contact
D. out of sight