题目内容
People attend college or university for manydifferent reasons. Why do you think people attendcollege or university？
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It has been said Not everything that is learned is contained in books.Compare and contrast knowledge gained from experience with knowledge gained from books. In your opinion which source is more important ？Why？
保健师应该配别那些器材？
普通螺纹的牙型角为（）。
2/利用起动设备将电压适当降低后加到电动机（）上进行起动待起动完毕后再使电压恨不得到额定值这叫降压起动。
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