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单选题
Ploughs and other agricultural implements were on display at the recent exhibition.
A
equations
B
playthings
C
tools
D
machinery
参考答案
参考解析
解析：
句意：犁和其他农业用具正在最近的展会上展出。implements工具，器具。tools工具，用具。equations方程式，等式。playthings玩具。machinery机器，机械。
句意：犁和其他农业用具正在最近的展会上展出。implements工具，器具。tools工具，用具。equations方程式，等式。playthings玩具。machinery机器，机械。
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