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【简答题】
扫描仪的工作原理是把要扫描的图片放置在( )上;扫描仪提供光源给图片,通过( )对图片进行移动扫描;光线从图片上反射进( ),在此系统中将不同层次的光信号转换为( );以数字的形式重新组合后输入( )显示,并可以( )的形式保存在磁盘上。
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皮皮学刷刷变学霸
举一反三
【简答题】Traffic jams often build up when drivers to see what happened in a crash.
【简答题】Correct errors, if any, in the following sentences from 21-40. The scholars met once a year to exchange experiences.
【单选题】Traffic jams often build up when drivers to see what happened in a crash.
A.
slow at
B.
slow down
C.
slow on
D.
slow in
【单选题】____ means a female graduate of a school, college, etc.
A.
Alumnae
B.
Alumna
C.
Alumni
D.
Alumnus
【简答题】Correct errors, if any, in the following sentences:Open to all anglers (垂钓者) this is a form of fishing.
【简答题】Correct errors, if any, in the following sentences:That was a red-carpet room.
【简答题】Correct errors. if any, in the following sentences: Just take a took at that fellow, so you'll get sick.
【简答题】Correct errors. if any, in the following sentences: The admen ( 广告员 ) not only convince the reader that the Continental is a luxury car but also that the car confers status on its owner.
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