【单选题】【消耗次数：1】
Woman: Bob, do you think you can lend me fifty dollars? Bob: Let me see. ____
①
You know I have no money at all.
②
Sorry, I don’t think I have much with me.
③
I don’t think you should do it.
④
Oh, I have quite a lot.
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“Do you think, because I am poor, obscure, plain, and little, I am soulless and heartless? You think wrong!—I have as much soul as you,—and full as much heart! And if God had gifted me with some beauty and much wealth, I should have made it as hard for you to leave me, as it is now for me to leave you. ” This passage is taken from ________.
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②
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③
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①
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②
尖牙牙冠的垂直高度，牙冠的高度位于从牙釉质交界处到侧切牙根的中点以下的区域，则牵引成功的几率较大，位置越高成功几率越低
③
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⑤
将脱位牙植入牙槽骨内的手术