高等继续教育 / 计算机专业英语
正确率：100%
题型描述: 多选题
The two most common types of scanners are ( ) and ( )
A. flatbed scanners
B. hand-held scanners
C. handler scanners
D. auto scanners
The two most common types of scanners are ( ) and ( )
A. flatbed scanners
B. hand-held scanners
C. handler scanners
D. auto scanners
参考答案：
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