问题
单项选择题
When did ice come into household use()
A.Before the nineteenth century.
B.By the mid-nineteenth century.
C.Before the Civil War.
D. After the Civil War.
答案
参考答案：D
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When did ice come into household use()
A.Before the nineteenth century.
B.By the mid-nineteenth century.
C.Before the Civil War.
D. After the Civil War.
参考答案：D