【单选题】【消耗次数：1】
The number of pages in this dictionary ___ about two thousand.
①
are
②
has
③
have
④
is
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The Chinese （ ） paper for two thousand years.
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have made
②
have been making
③
had made
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I will give this dictionary to ____ wants to have it.
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Well, that’s to say, every coin has two sides, ________ technology.
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so is
②
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随机题目
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关于痰的性质，错误的是
①
恶臭痰多见于厌氧菌引起的肺脓肿
②
黄绿色或翠绿色脓痰多见于金黄色葡萄球菌肺炎
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铁锈色痰多见于肺炎球菌肺炎
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棕褐色（果酱样）痰多见于阿米巴肺脓肿。
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患者张某，腹部查体见腹壁浅静脉曲张，脐以上血流方向由下至上，脐以下血流由下至上，该患可能是下列哪种情况
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上腔静脉阻塞
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下腔静脉阻塞
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门脉高压症
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髂内静脉阻塞
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髂外静脉阻塞
【单选题】
关于脑脊液说法错误的是
①
脑脊液是黄色的液体，充满于蛛网膜下腔、脑室和脊髓中央管内
②
形成脑的水垫起保护作用，以免震动时脑组织与颅骨直接接触
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脑脊液中的化学物质还能起缓冲作用