关于鼓室的说法,下列错误的是 ( )

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The best title for this selection is ______.

The best title for this selection is ______.A. The "Post Paid" ErrorB. The Two Penny BlueC. A Rare St

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How long did the Knights of Labor last?

How long did the Knights of Labor last?A. 60 years.B. 31 years.C. 50 years.D. 21 years.

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慢性腹痛,每于冬秋季发作,进食后缓解,应考虑 ( )

慢性腹痛,每于冬秋季发作,进食后缓解,应考虑 ( )A.胆道蛔虫症B.结核性腹膜炎C.慢性胰腺炎D.消化性溃疡E.胆石症

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感光最敏锐处是 ( )

感光最敏锐处是 ( )A.中央凹B.视网膜C. 黄斑D.眼球后极E.视神经乳头

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