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【单选题】
常用的扫描仪光学分辨率有( )。 (1) 300dpi ; (2) 600 dpi ; (3) 1200 dpi ; (4) 4800 dpi 。
A.
⑴⑶；
B.
⑵⑷ ；
C.
⑴⑵⑶ ；
D.
全部 。
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Will chips one day be planted in our bodies for identification? A US doctor has planted under his skin a computer chip that can send personal information to a scanner(扫描仪), a technology that may somed...
A.
catch escaped prisoners
B.
find missing children
C.
follow lost animals
D.
treat sick people