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【单选题】
浙江省建德市航头镇石屏村 的“江南 大冰 洞 ” 景观是以下哪种方式形成的?A.
天然水晶
B.
钟乳石
C.
天然冰挂
D.
人工冰挂
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W：Harry，what's the matter? You look pale. M：I just had a terrible experience. W：Did you have an accident? M：Not quite，but almost. I was crossing the street just now and was almost hit by a car. F...
A.
Because he was too tired.
B.
Because he was injured in a traffic accident.
C.
Because he was almost hit by a car and felt frightened.
D.
Because he was ill.
【单选题】肺的呼吸部包括
A.
肺泡、肺泡囊、肺泡管、细支气管
B.
肺泡、肺泡囊、肺泡管、呼吸性细支气管
C.
肺泡、肺泡囊、呼吸性细支气管、终末细支气管
D.
肺泡、肺泡囊、呼吸性细支气管、细支气管
【简答题】I just managed to _____ a quick breath before I was ed under the water by the passing boat. A. snatch B. scratch C. sc D. scan
【单选题】肺的呼吸部包括
A.
肺泡、肺泡囊,肺泡管 细支气管
B.
肺泡, 肺泡囊, 肺泡管, 呼吸性细支气管
C.
肺泡、肺泡囊、呼吸性细支气管、终末细支气管
D.
肺泡,肺泡囊、呼吸性细支气管,细支气管
E.
肺泡、肺泡管,呼吸性细支气管,终末细支气管
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