It’S hard for US to choose a book among these books.

It’S hard for US to choose a book among these books. A.elect B.buy C.recognize

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Keep your room tidy.

Keep your room tidy. A.messy B.organized C.beautiful D.neat

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You should soon regain your appetite.

You should soon regain your appetite. A.keep B.lose C.recover D.get

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眼前房与后房的分界是 (  )

眼前房与后房的分界是 (  )A.虹膜 A.虹膜 B.脉络膜 B.脉络膜 C.睫状体 C.睫状体 D.晶状体 D.晶状体 E.

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视网膜最外层的细胞是 (  )

视网膜最外层的细胞是 (  ) A.色素上皮层 A.色素上皮层 B.视细胞层 B.视细胞层 C.双极细胞层 C.双极细胞层 D.视杆细

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