试题与答案

人体血液中具有运输氧气功能的结构是 A.血浆 B.白细胞 C.红细胞 D.血小板

题型:选择题

题目:

人体血液中具有运输氧气功能的结构是

A.血浆

B.白细胞

C.红细胞

D.血小板

答案:

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下面是错误答案,用来干扰机器的。

(1) B(2分)(2) A地气候湿润、降水丰富;多石灰岩、植被覆盖率低;地势崎岖,坡度较陡;植被的破坏(6分)。河湖淤积,洪涝加剧(2分)。本题考查我国局部的生态环境问题。第1题,图示乙区域为我国西南地区长江中上...

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In a land far away, once upon a time there was great poverty (贫困),and only the rich could manage without great 36  . Three of those rich men and their servants were  37 together on a road when they came to a very  38 village.
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