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新东方优美背诵短文50篇 Unit41:American Black Bears

时间:2007-11-21 02:49来源:互联网 提供网友:xianging   字体: [ ]
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41.American black bears

American black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these brown, red, or even yellow coats. To the north, the black bear is actually gray or white in color. Even in the same litter, both brown and black furred bears may be born.

Black bears are the smallest of all American bears, ranging in length from five to six feet, weighing from three hundred to five hundred pounds Their eyes and ears are small and their eyesight and hearing are not as good as their sense of smell.

Like all bears, the black bear is timid, clumsy, and rarely dangerous , but if attacked, most can climb trees and cover ground at great speeds. When angry or frightened, it is a formidable enemy.

Black bears feed on leaves, herbs. Fruit, berries, insects, fish, and even larger animals. One of the most interesting characteristics of bears, including the black bear, is their winter sleep. Unlike squirrels, woodchucks, and many other woodland animals, bears do not actually hibernate1. Although the bear does not during the winter moths2, sustaining itself from body fat, its temperature remains3 almost normal, and it breathes regularly four or five times per minute.

Most black bears live alone, except during mating season. They prefer to live in caves, hollow logs, or dense4 thickets5. A little of one to four cubs6 is born in January or February after a gestation7 period of six to nine months, and they remain with their mother until they are fully8 grown or about one and a half years old. Black bears can live as long as thirty years in the wild , and even longer in game preserves set aside for them.


美国黑熊
美国黑熊虽然被叫做黑熊但却有各种各样的颜色。在它们生活区域的东部,大部分黑熊长有富有光泽的黑毛,但在西部,他们则长着棕色、红色甚至是黄色的毛。
在北部,黑熊其实长着灰色或白色的毛。就是在一胎所生的小熊中,都可能混杂棕毛和黑毛。黑熊是所有美洲熊中最小的,5~6英尺长,300~500
磅重。它们的眼睛和耳朵都很小,他们的视力和听觉不如嗅觉那样好。像所有的熊一样,黑熊胆小,笨拙,很少具有危险性。但如果
受到攻击,大部分黑熊会以很快的速度爬上树和奔跑。当发怒或受惊吓时,黑熊会成为可怕的对手。
黑熊以树叶、草、树根、水果、浆果、昆虫、鱼,甚至更大的动物为食。熊类,包括黑熊的最有趣的一个特点是他们的冬眠。
与松鼠、旱獭和其它别的林地动物不同,熊并不真正地冬眠。虽然熊在冬天的几个月中不吃东西,靠体内脂肪维持生命,但它们的体
温保持正常,并有规律地一分钟呼吸4或5次。除交配季节外,大多数黑熊独自生活。他们喜欢住在洞里、空心的大木头里或茂密的树丛里。经过6
到9个月的怀孕期后一胎1~4个小熊在1月或2月出生。它们同母熊住在一起,直到它们完全长大,即1岁半左右。黑
熊在野外可以活到长达30年,在专门的保护区中甚至能活得更长。

 


点击收听单词发音收听单词发音  

1 hibernate SdNxJ     
v.冬眠,蛰伏
参考例句:
  • Bears often hibernate in caves.熊常在山洞里冬眠。
  • Some warm-blooded animals do not need to hibernate.一些温血动物不需要冬眠。
2 moths de674306a310c87ab410232ea1555cbb     
n.蛾( moth的名词复数 )
参考例句:
  • The moths have eaten holes in my wool coat. 蛀虫将我的羊毛衫蛀蚀了几个小洞。 来自《简明英汉词典》
  • The moths tapped and blurred at the window screen. 飞蛾在窗帘上跳来跳去,弄上了许多污点。 来自《现代英汉综合大词典》
3 remains 1kMzTy     
n.剩余物,残留物;遗体,遗迹
参考例句:
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
4 dense aONzX     
a.密集的,稠密的,浓密的;密度大的
参考例句:
  • The general ambushed his troops in the dense woods. 将军把部队埋伏在浓密的树林里。
  • The path was completely covered by the dense foliage. 小路被树叶厚厚地盖了一层。
5 thickets bed30e7ce303e7462a732c3ca71b2a76     
n.灌木丛( thicket的名词复数 );丛状物
参考例句:
  • Small trees became thinly scattered among less dense thickets. 小树稀稀朗朗地立在树林里。 来自辞典例句
  • The entire surface is covered with dense thickets. 所有的地面盖满了密密层层的灌木丛。 来自辞典例句
6 cubs 01d925a0dc25c0b909e51536316e8697     
n.幼小的兽,不懂规矩的年轻人( cub的名词复数 )
参考例句:
  • a lioness guarding her cubs 守护幼崽的母狮
  • Lion cubs depend on their mother to feed them. 狮子的幼仔依靠母狮喂养。 来自《简明英汉词典》
7 gestation L6ey2     
n.怀孕;酝酿
参考例句:
  • The gestation period can be anything between 95 and 150 days.妊娠期从95天至150天不等。
  • This film was two years in gestation.这部电影酝酿了两年。
8 fully Gfuzd     
adv.完全地,全部地,彻底地;充分地
参考例句:
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
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TAG标签:   新概念  背诵  短文  american  black  bear
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