问题
选择题
"Double click" means you click twice on the left button of the _____ to start the program.[ ]
A. screen
B. mouse
C. keyboard
D. printer
答案
答案：B
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"Double click" means you click twice on the left button of the _____ to start the program.[ ]
A. screen
B. mouse
C. keyboard
D. printer
答案：B