单项选择题

Which of the following item colorizes the paper using a two-component laser printer？（）

A.ribbon
B.developer
C.laser beam
D.toner

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多项选择题

A.impact
B.laser
C.thermal
D.solid ink
E.ink jet

单项选择题

A.glass cleaner and paper towels
B.dish soap and a wet towel
C.a soft， pre-moistened towel or wipe
D.dry paper towels

单项选择题

A.ink jet
B.thermal
C.impact
D.laser