每日一练F2
<p>Which of the following statements is NOT correct?<br/>A Bar codes are only used by retailing organisations.<br/>B Optical mark recognition is used by some educational organisations to mark multiple choice examination<br/>questions.<br/>C Magnetic ink character recognition is used in the banking industry.<br/>D The keyboard is an input device used by many different types of organisation.</p><p> </p><p> a</p> A aX
X <p>kankan</p> <p>我又来了</p> a dd a A a a a A a a A a我只是来打酱油的,
我只是来打酱油的我只是来打酱油的dd
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