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【单选题】
患者16岁，男性，1小时前上前牙外伤，查：1唇向错位，松动Ⅱ度，叩(—+)，牙龈轻度红肿1 2叩(-)，松(-)，牙髓活力测同对照牙，X线未见根折，该患者处理为()A.
自行愈合
B.
调牙合观察
C.
复位固定，观察
D.
牙髓治疗后复位固定
E.
拔除
手机使用
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反馈参考答案：
举一反三
【单选题】The students should take the exams__________ .
A.
serious
B.
seriously
C.
bad
D.
worse
【单选题】Undocumented workers became the target of 'Operation Safe Travel' because ______.
A.
evidence was found that they were potential terrorists
B.
most of them worked at airports under threat of terrorist attacks
C.
terrorists might take advantage of their illegal status
D.
they were reportedly helping hide terrorists around the airport
【单选题】What`s your plan for tomorrow? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
居住
B.
拥抱
C.
计划 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【简答题】University students should take a broader course of study.
【单选题】When it came to the topic whether students should take cell phones to school, nearly every student ___________ the discussion.
A.
joined
B.
attended
C.
joined in
D.
took part in
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