考研英語作文：American black bears
在平平淡淡的學習、工作、生活中，說到作文，大家肯定都不陌生吧，作文是從內部言語向外部言語的過渡，即從經過壓縮的簡要的、自己能明白的語言，向開展的、具有規範語法結構的`、能為他人所理解的外部語言形式的轉化。如何寫一篇有思想、有文采的作文呢？下面是小編整理的考研英語作文：American black bears，希望對大家有所幫助。
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 si 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 hibernate. although the bear does not during the winter moths, sustaining itself from body fat, its temperature remains almost normal, and it breathes regularly four or five times per minute.
most black bears live alone, ecept during mating season. they prefer to live in caves, hollow logs, or dense thickets. a little of one to four cubs is born in january or february after a gestation period of si to nine months, and they remain with their mother until they are fully 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.