【单选题】【消耗次数：1】
关于股骨头缺血性坏死的疼痛与分期的关系，说法错误的是
①
股骨头坏死早期一般疼痛明显，因而被早期发现
②
出现疼痛一般到IIIa或以上了
③
合并骨髓水肿往往伴有疼痛症状
④
出现疼痛预示着股骨头即将或已经出现塌陷
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相关题目
【单选题】
下列关于股骨头坏死的骨髓水肿描述错误的是：
①
X-线片：可能有新月征或骨折线，以蛙式位为清楚
②
CT扫描：可显示软骨下骨折线
③
临床：暂无任何病征
④
临床：疼痛加重，跛行
【单选题】
股骨头坏死的保髋手术后康复治疗，错误说法是
①
早期一般伴有急性炎性疼痛，需要予以镇痛消炎处理
②
重视多模式镇痛
③
绝对卧床，避免负重行走
④
修复过程中可能仍会有疼痛
【单选题】
下列不能诊断股骨头坏死的影像学表现是：
①
软骨下骨透X线区（新月征）
②
股骨头未塌陷
③
MRI：T1WI带状低信号，T2W1双线征
④
CT：轮廓清晰的坏死灶，软骨下骨折
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Proper names, key words in titles, and the first words of sentences should be captialized.
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正确
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Single quotation marks are used ot enclose a quotation within a quotation.
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正确
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Mr. Peterson [] later to be nominated for Chairperson of the Small Enterprise Committee— had been charged with bribery.
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comma
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dash
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brackets
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semicolon
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He wrote a lot of novels, many of [] translated into English.
①
it
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them
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which
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that
【单选题】
He wrote a lot of novels, many of [] were translated into English.
①
it
②
them
③
which
④
that
【单选题】
I had to complete the assignment by Friday [] otherwise, I would have failed the course.
①
comma
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semicolon
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The grass was growing wildly [] but the crop, unfortunately, was dying.
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comma
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semicolon