高等继续教育 / 专科英语I
正确率：100%
题型描述: 单选题
The chairman of the company said that new techniques had ＿＿＿＿＿＿ improved their production efficiency.
A.severely
B.violently
C.extremely
D.radically
The chairman of the company said that new techniques had ＿＿＿＿＿＿ improved their production efficiency.
A.severely
B.violently
C.extremely
D.radically
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