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1、AlongtheriverbanksoftheAmazonandtheOrinocothere阅读理解答案 AlongtheriverbanksoftheAmazonandtheOrinocotherelivesabirdthatswimsbeforeitcanfly,flieslikeafatchicken,eatsgreenleaves,hasthestomachofacowandhasclaws(爪)onitswingswhenyoung.Theybuildtheirhomesaboutabo
2、vetheriver,animportantfeature(特征)forthesafetyoftheyoung.Itiscalledthehoatzin. Inappearance,thebirdsofbothsexeslookverymuchalikewithbrownonthebackandcreamandredontheunderside.Theheadissmall,withalargesetoffeathersonthetop,brightredeyes,andblueskin.Itsne
3、arestrelativesarethecommonbirds,cuckoos.Itsmoststrikingfeature,though,isonlyfoundintheyoung. Babyhoatzinshaveaclawontheleadingedgeofeachwingandanotherattheendofeachwingtip.Usingthesefourclaws,togetherwiththebeak(喙),theycanclimbaboutinthebushes,lookingv
4、erymuchlikeprimitivebirdsmusthavedone.Whentheyounghoatzinshavelearnedtofly,theylosetheirclaws. DuringthedriermonthsbetweenDecemberandMarchhoatzinsflyabouttheforestingroupsof20to30birds,butinApril,whentherainyseasonbegins,theycollecttogetherinsmallerliv
5、ingunitsoftwotosevenbirdsforproducingpurposes. 63．Whatisthetextmainlyabout? A．Hoatzinsindryandrainyseasons.B．Therelativesandenemiesofhoatzins. C．PrimitivebirdsandhoatzinsoftheAmazon. D．Theappearanceandlivinghabitsofhoatzins. 64．Younghoatzinsarediff
6、erentfromtheirparentsinthat． A．theylooklikeyoungcuckoosB．theyhaveclawsonthewings C．theyeatalotlikeacowD．theyliveonriverbanks 65．Whatcanweinferaboutprimitivebirdsfromthetext? A．Theyhadclawstohelpthemclimb.B．Theycouldflylongdistances. C．Theyhadfourwi
7、ngslikehoatzins.D．Theyhadaheadwithlongfeathersonthetop. 66．Whydohoatzinscollecttogetherinsmallergroupswhentherainyseasoncomes? A．Tofindmorefood.B．Toprotectthemselvesbetter. C．Tokeepthemselveswarm.D．Toproducetheiryoung. 答案及解析： 这是一篇说明文，主要介绍了在amazon河附
8、近生活着的一种鸟（hoatzin）。第一段说 这种鸟很有特点，在会飞之前居然会游泳！第2段说了它的外表，第3段说了成长过程，第4段说明了在不同季节这种鸟的行为习惯。 63．D主旨题，第一段总说，第二、三段陈述appearance，第四段陈述habits。 64．B题干定位词“younghoatzins”与第一段中的“…whenyoung”对应，再看中文注释“claws（爪）”，猜测答案为B。 65．A题干定位词“primitivebirds
