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[单选题]
On the basis of the highest()standards that could be set, we will build our new society.
A.reporter
B.moral
C.sandwich
D.packet
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A.reporter
B.moral
C.sandwich
D.packet
Most of the student guides work for the theme park voluntarily. (on a... basis)
A、错误
B、正确
A.about
B.to
C.off
D.on
B.at the request of
C.in line with
D.on the basis