(1)________________________.Although the earliest remains of primitive horses have been found on the North American continent,many scientists believe this small species traveled over a land mass in the Bering Sea to find the beginning of the modem horse in Asia.This primitive horse became extinct in America.Other scientists believe that the horse may have originated in Asia.In any event the animal soon spread into China,Europe,and the Middle East.The first modern horses to be introduced into the American continent came with the early Spanish explorers.Horses were bred into many types.(2)_______________________________________and by the medieval knights to hold them with their heavy armor.The oldest breed of horses is said to be the Arabian.The only true wild horses left in the 20th century are found in Mongolia.Horses are said to rate in intelligence after the ape,elephant and dog.They have excellent memories and (3)______________________________________________.The early civilizations of man that had horses and made use of them developed more rapidly than those which did not.
The horse can before a man on earth.
Behavour horses developed low countries of Europe and were used for work
can sometimes fine the way home when lost and since danger back to their masters.
发表于 2011-4-26 09:29
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发表于 2011-4-26 13:47
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