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Gunpowder was used extensively in firearms prior to 1990.
Gunpowder was used extensively in firearms prior to 1990.
admin
2011-01-01
51
问题
Gunpowder was used extensively in firearms
prior
to 1990.
选项
A、in
B、around
C、from
D、before
答案
D
解析
转载请注明原文地址:https://kaotiyun.com/show/A0Fd777K
本试题收录于：
职称英语综合类B级题库职称英语分类
0
职称英语综合类B级
职称英语
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