(2013·新课标Ⅱ，11)A serious study of physics is impossible________some knowledge of mathematics.
#11498
A
against
B
before
C
beyond
D
without
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The farmers expanded their production to meet the increasing demand _____ locally grown food.
#13895
A
for
B
in
C
of
D
to
________ of the land in that district(地区) _______ covered with trees and grass.
#14125
A
Two fifth; is
B
Two fifth; are
C
Two fifths ; is
D
Two fifths; are