【单选题】【消耗次数：1】
TP技术优点有哪些
①
隧道过短（隧道长度＜25ｍｍ）
②
隧道后壁的裂开风险大
③
术中需要过度屈膝而导致视野变小
④
以上均不是
⑤
以上均是
参考答案：
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相关题目
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”The only problem is which we now have a new kind of criminal.
①
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错误