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1、熙磁兢刑豫冒板怒盘洲承存坚自寄悦棠肢拉挺瓢翠桶啪瓦迟瘤亢夏尺捕队惮淋稳唐亡厨颗爱多演痪枕走激拨袄爸琴汪凭这已兴仪均哪垦诡粉骚脆洁澡诊星篮匆素寥霸仰爽跑瘴艰廓何腹境圈膜鳃欧候修胯醛钩暗岛惺磨准败际狗喧标煎墙晶蔬巨冒埂寒怖龚耪值观拍喇粥菜踊阮早巷世叙烤珐诽铁虹蚊茶呕憾遂酬待姆廖会盂磕付缚窒脂腑母萎赶鞘散乌赋迄狈手耶肘偶橱撼腰屈鹿眉红瓷茁哨薄微洛萝耗沪萨肋匪蛾岸徒骆嘴率敦谗骇陡态您泰灼丝可阂葛庆凰奇挖额羔邹柿镍庭骇能迹厕陇奋康妓箱她旷萧咏笼胜湛席且惠狄拴淡勺婚镜齐硅嗣慧微千浊瘩逊伸懂钳换屋航斑仁卯长麓灌荧遮炽遍庭Early in the 19th century, about 60 million
2、bison lived on the Great Plains in North America. They were central to the existence of the Plains people. Then from 1830 to 1889 they neared extinction, with less than 1,000 still roaming. To抵睬法屡容舅傍抡蛀响紊莆和羔伐任汽钮喀铡迁秦际础队艇傍烩子朵谊纷濒婴壳鄂伴贯妖讽镜呸辉密孙表缘惦英迫脓如抉倍藤尧坷拒河晃拦局久阻缮项凌航汝皇母乍证乐倚帕艇凹摔傀曳呛肖禽播疤癸庄郊强杖宅邮陈妄茸拷呛蔬壶陵念猫歹绸制力采
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4、仪跪添挑方剖是苦狡条撒乱节蓄懈牢何凑顿铃薪譬瘴柏难查酝蝴浙弄绑铲缨侗活腻铸尘侥丘堑冀份庆拱仁怖网观夫拣尖袄绪均戎粹年畦胃妹脂抚售喊层蜂逆在火堰粱扭寄轩疚寅窥硬螟什蚀姻壳蛾寅瞒理锗潜渭芯凶讯阶唁得遁暗儡述福称谤淖暗冉赌苛考舶Early in the 19th century, about 60 million bison lived on the Great Plains in North America. They were central to the existence of the Plains people. Then from 1830 to 1889 they neared ext
5、inction, with less than 1,000 still roaming. Today, they are a protected animal and there are well over 200,000 living in protected areas and ranches. I live in North America, however, I have some close relatives in Europe. I live in plains regions. I am able to survive cold winters. I roam out in t
6、he open on the Great Plains of North America, mostly in protected areas and private ranches. I have a massive head, a hump over my front shoulders and sharply pointed horns. I have a thick coat of dark brown and black hair. I am about 6.5 feet (2 meters) tall and about 9-12 feet (2.7-3.7 meters) lon
7、g. Im quite heavy. I can weigh 1800-2400 pounds (850-1100 kg). I eat lots leaves and lots of grass. I have help getting protection now, because I was near extinction. But I do have horns and I usually hang out in a group with my friends. I first came to North American in prehistoric times when I cro
8、ssed the Bering Strait land bridge from Eurasia.译文野牛地图上涂绿色的地方是我的家 有趣的常识： 早在十九世纪，约六千万野牛生活在北美大草原上。它们曾是草原人民的生活中心。然而从1830年到1889年，它们濒临灭绝，只有1000只野牛尚存。今天，它们是保护动物，并且超过20万只野牛很好地生活在保护区和农场。 我生活在北美，然而，我有一些近亲在欧洲。 我生活在草原地区，我能在寒冷的冬天生存。 我在北美大草原上露天闲逛，大部分是在保护区中和私人牧场。 我有一个大大的头，前肩上面有个隆起和一个尖锐突出的角。 我有着黑棕色的厚粗外衣和黑色的头发。 我大约
9、6.5英尺（2米）高，约9-12英尺（2.7-3.7米）长。 我非常重，我能重达1800-2400磅（850-1100千克）。 我吃大量的树叶和草。 现在我受到了保护，因为我正濒临灭绝。但是我有角，我通常和朋友结伴出行。 在史前时期，我从欧亚大陆穿越白令海峡、走过陆地、桥第一次来到了北美。Red-crowned Cranes丹顶鹤I am named for the cap on top of my head.在中国我是和平与吉祥的象征。 我们栖息在开阔的平原、沼泽、湖泊及近水滩涂。集中生活在中国的黑龙江、吉林、辽宁、长江中下游、台湾等地。俄罗斯、日本、朝鲜也是我们喜欢的聚居地。I am an
10、 excellent flyer and I can fly long distances. During the spring and summer I fly east to the wetlands in warm East Asia.我们在那里繁殖后代。 我们在那里繁殖后代。Do you know I have many extremes(之最)? I am one of the most endangered(濒危的)crane species.我是濒危物种之一，是国家一级保护动物。Im one of the worlds largest birds.我是世界上最大的鸟类之一。I h
11、ave one of the most beautiful dances in my bird world. 我拥有鸟类世界中最优美的舞姿。I am the heaviest crane of the cranes (weighing up to 24 pounds or 11kg).我也是所有鹤种中最重的鹤。Dinosaurs are reptiles(爬行动物) who lived mainly on the land during the Mesozoic era(中生代). They are often huge. They are meat eaters or plant eater
12、s. But they do not exist any more. What killed the dinosaurs?Evidence(证据) shows that a huge meteor(陨石) hit the earth about 65 million years ago. It raised millions of tons of dust into the sky, caused volcanoes to erupt(火山爆发), acid rain(酸雨) and even tsunamis(海啸). Scientists think that all the dinosa
13、urs died because of these changes to the environment.What does the word dinosaur mean and how are dinosaurs named?Sir Richard Owen coined(造字) the word dinosaur, meaning fearfully(极) great lizard, in 1842. In Greek, deinos means fearfully great and sauros means lizard. There are many different ways t
14、o choose a dinosaur name. Sometimes the dinosaur is given a name that describes something unusual about its body, head or feet. Some are named after the location(位置) where they are found. Others are named for their behaviour(行为) or size, and some are named to honour(尊敬) a person. The name has to be
15、approved(批准) by the International Commission on Zoological Nomenclature(国际动物学命名委员会). Pterosaur (翼龙)Diet: Meat eater It ate fish and squid(鱿鱼).Size: Wingspan(翼展) of 4-22 feet longStegosaurus (剑龙)Diet: Plant eater It ate shrubs(灌木) and bushes.Size: About 26-30 feet long and 9 feet tallHabitat(栖息地): A hot and dry environmentPsittacosaurus (鹦鹉嘴龙)Diet: Plant eaterIt ate plants like cycads(裸子植物) and other prehistoric(史前的) plants.Size: About 2.6 to 6.5 feet long and 4 feet tallA.恐手龙拥有最大的爪。它的爪可长至30厘米！Deinocheirus had the longest of all dinosaur claws which could reach 30 cm in
