【题目】阅读理解
Along the river banks of the Amazon and the Orinoco there lives a bird that swims before it can fly,flies like a fat chicken,eats green leaves,has the stomach of a cow and has claws（爪）on its wings when young.They build their homes about 4.6m above the river,an important feature（特征）for the safety of the young.It is called the hoatzin.
In appearance,the birds of both xes look very much alike with brown on the back and cream and red on the underside.The head is small,with a large t of feathers on the top,bright red eyes,and blue skin.Its nearest relatives are the common birds,cuckoos.Its most striking feature,though,is only found in the young.
Baby hoatzins have a claw on the leading edge of each wing and another at the end of each wing tip.Using the four claws,together with the beak（喙）,they can climb about in the bushes,looking very much like primitive birds must have done.When the young hoatzins have learned to fly,they lo their claws.
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During the drier months between December and March,hoatzins fly about the forest in groups of 20 to 30 birds, but in April,when the rainy ason begins,they collect together in smaller living units of two to ven birds for producing purpos.
（1）What is the text mainly about?
A.Hoatzins in dry and rainy asons.
B.The relatives and enemies of hoatzins.
C.Primitive birds and hoatzins of the Amazon.
D.The appearance and living habits of hoatzins.
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（2）Young hoatzins are different from their parents in that.
A.they look like young cuckoos
立即打开>cpu怎么选B.they have claws on the wings
C.they eat a lot like a cow
D.they live on river banks
（3）What can we infer about primitive birds from the text?
A.They had claws to help them climb.
B.They could fly long distances.
高钙食物有哪些
纵死犹闻侠骨香C.They had four wings like hoatzins.
D.They had a head with long feathers on the top.
（4）Why do hoatzins collect together in smaller groups when the rainy ason comes?
A.To find more food.
B.To keep themlves warm.
C.To protect themlves better.
订书机英文
D.To produce their young.
【答案】
（1）D
（2）B
（3）A
（4）D
【解析】本文主要从多方面介绍了一种亚马逊鸟—麝雉。
(1)细节理解题。从全文来看介绍了麝雉的外表和它们的生活栖息地。所以答案是D。
(2)细节理解题。根据第三段Baby hoatzins have a claw on the leading edge of each wing and another at the end of each wing tip.表明小麝雉与父母的不同之处在于它们的翅膀上有爪。所以答案是B。
(3)细节理解题。根据第三段 Using the four claws, together with the beak (喙), they can climb about in the bushes, looking very much like primitive（远古的） birds must have done.表明远古的鸟可以利用它们的四个爪子和喙攀爬。所以答案是A。
(4)细节理解题。由最后一自然段when the rainy ason begins, they collect together in smaller living units of two to ven birds for producing purpos.可知：在雨季来临的时候它们聚集在一个小窝是为了保护小麝雉。所以答案是D。
