【单选题】【消耗次数：1】
舌侧矫治器的组成不包括（）
①
舌侧托槽
②
透明牙套
③
磨牙舌侧管
④
弓丝
⑤
附件
参考答案：
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【单选题】
关于舌侧隐形正畸叙述误的是（）
①
优点是完全隐形
②
对牙齿移动的控制非常精准
③
适合于各类牙颌畸形的矫正
④
治疗速度较慢
⑤
美观效果最好、技术难度最大、费用最昂贵的技术
【单选题】
关于无托槽矫治器的优点叙述有误的是（）
①
透明压膜矫治器，满足了成人患者的美观要求。且不存在托槽或弓丝损坏刺激软组织等情况
②
患者可以自行摘戴矫治器,日常生活不受托槽和弓丝的影响
③
隐形矫治器还可起到护齿器及夜磨牙牙合垫保护关节的作用
④
与传统矫治器相比，没有在每个牙齿的表面粘接托槽，更有利于保持口腔卫生
⑤
材料并非惰性材料，温度、湿度以及生物酶均可对其回弹性、韧度和脆性等物理性状产生影响
随机题目
【单选题】
3.Iveread_______sportsnewsabouttheF1racetoday.
①
two
②
pieces
③
two pieces
④
two pieces of
【填空题】
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【填空题】
Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[ought to; look forward to; in wonder; give way to; look down; on the way to; reach out; put one’s arm around; trip over; cut into]4. If you dont lace up your shoes, youll[填空1].
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Translate the following sentences into Chinese.The engineers hope that the latest data will be of great use to the problem in our jobs.
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Translate the following sentence into Chinese.These senior scientists have committed to the rapid development of the Air Force of China all their lives.
【简答题】
Translate the following sentence into English.无论我作出什么样的牺牲，我都要从事这项事业。
【填空题】
计算机启动通常有[填空1][填空2]、热启动和系统复位三种方式。