哺乳动物与其他动物最主要的区别是A 分布最广B 有发达的神经系统C 胎生哺乳D 体温恒定

哺乳动物与其他动物最主要的区别是A 分布最广B 有发达的神经系统C 胎生哺乳D 体温恒定
哺乳动物与其他动物最主要的区别是
A 分布最广
B 有发达的神经系统
C 胎生哺乳
D 体温恒定

哺乳动物与其他动物最主要的区别是A 分布最广B 有发达的神经系统C 胎生哺乳D 体温恒定
What Is a Mammal?Mammals are animals that have hair,are warm-blooded,and nourish their young with milk.They range from tiny mice to the largest animals on Earch,the Whales.Mammals include apes,cats,bats,dogs,tigers,mice,moose,beavers,elephants,and many others.Human beings are also mammals.Mammals,such as chimpanzees,dolphins,and human beings,have large well-developed brains compared with other animals.These brains make mammals very intelligent animals.
什麽是哺乳动物?哺乳动物是有毛,热血的,哺乳的动物.他们从很小的老鼠到地球上最大的动物：鲸鱼,包括了猿,猫,蝙蝠,狗,老虎,老鼠,驼鹿,海狸,大象和许多其它动物.象黑猩猩,海豚和人与其它动物比起来有发达的大脑,发达的大脑使它们成为有知慧的动物.
Mammal Extremes
哺乳动物之最
Fastest mammal (also the fastest land animal):the cheetah .They can reach speeds of up to 110km/hr for short periods of time.
最快的哺乳动物（也是最快的陆地动物〕：印度豹.在短时间内它们的速度可达110km/hr.
Slowest mammal - the sloth.It has an average ground speed of only 6-8 feet per minute!
最慢的哺乳动物：树懒.它的平均对地速度是每分钟6－8 英尺.
Biggest mammal,also the biggest animal that ever lived on Earth - the blue whale.The Blue Whale is not only the largest animal in the world today,it is the largest animal that ever lived,bigger even than the dinosaurs.This giant,weighing up to 200 tons (400,000 pounds).
最大的哺乳动物,也是地球上生活的最大的动物－蓝鲸.蓝鲸不仅仅是目前世界上最大的动物,也是到目前为止最大的动物,甚至比恐龙都大.这个庞然大物,重达200吨.
Biggest land mammal- the African Elephant
最大的陆地动物－非洲象.
Tallest mammal - the giraffe
最高的哺乳动物－长颈鹿.
Smallest mammals - the pygmy shrew (weighing 1.2-2.7 gm) and the bumblebee bat .The bumblebee bat is the smallest of all bats (weighing about 2 gm)
最小的哺乳动物- the pygmy shrew (重1.2-2.7 克) 和大黄蜂蝙蝠,它是最小的蝙蝠.（重2克）
Loudest mammal - the Blue Whale.The second loudest is the Howler Monkey.
最吵的哺乳动物－蓝鲸.第二吵的是吵猴.
Think:
What is a mammal?
The largest mammal on Earth is the___?
3回答者：小绒鼠 - 魔法学徒 一级 2006-5-2 08:30
我来评论>>