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单选题
Mechanical appliances have______ much of the drudgery of housework.
A
done without
B
done away with
C
worn out
D
burnt up
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参考解析
解析：
机械的应用使人们从大部分家务工作中解放出来。do away with废除, 弄死。wear out消瘦, 穿破, 用坏, 克服, 消磨, 疲劳。burn up烧毁。do without免除，不用。根据句意，B项正确。
机械的应用使人们从大部分家务工作中解放出来。do away with废除, 弄死。wear out消瘦, 穿破, 用坏, 克服, 消磨, 疲劳。burn up烧毁。do without免除，不用。根据句意，B项正确。
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