Who hasn't enjoyed eating peanuts（花生）？Did you know that although peanuts look like nuts and taste like nuts，they aren't nuts at all？They belong to the pea family，so they are called peanuts.The peanuts grown flowers above ground，but its "fruit" grow underground.It grows in more countries than most other "nuts".
    The peanut is a native South American plant.Scientists believe that it grew wild in Brazil long ago.They think that for several thousand years the early people in South America made it a part of their diet.These peoples were nomads who moved on when a natural food could no longer be found in one area.Along the way，they probably let fall some peanuts，which got into the ground and grew naturally.This is believed to be the way the plant reached the place where the Incas（印第安人） lived.The Incas，from about 1100 to 1532，thought highly of peanuts.The peanuts were eaten in several forms and used as sacrificial offerings（祭品） to the Incan Sun God.Later in the 16^th century，European soldiers had brought peanuts to other parts of the world，including North America，Africa，Asia，Europe，and Pacific Islands.
    Although peanuts were found native in South America，they are now grown in almost every country that has warm weather.India produces the most peanuts.China's production is next，followed by the United States.
    The peanuts is special in more ways than one.It can be eaten raw，boiled or fried.Hundreds of widely different products have been made from it.
    Peanuts are very highly nutritious（有營養(yǎng)的）.Americans use about seven-tenths of their protein（蛋白質(zhì)） in the form of meat.In India，where the poor can't pay for meal or milk，peanut meal and peanut milk have been produced.These have been a great help to the poor.
    New products are made from peanuts.The fact is that peanuts are so healthy that they were used by astronauts.The unusual nut that isn't nut is one of nature's most amazing gifts.

Peanuts
The（1） introduction introduction to the peanuts	Peanuts look like nuts and taste like nuts，but belong to the pea family.It grows in more countries than most other "nuts".
The（2） history history of peanuts	?Long long ago，the peanut was a wild plant in Brazil. ?Peanuts reached the place where the Incas lived（3） several thousand years ago several thousand years ago .From 1100 to 1532，the Incas took peanuts as valuable food. ?Later in the 16th century，European soldiers brought peanuts to other pats of the world. ?At present，peanuts grow in almost every warm country.The peanut production of America ranks（排名） the（4） third third in the world.
The peanut products	Peanuts are widely eaten in the world because of its（5） high nutrition high nutrition and（5） high protein high protein . ?Ways：they can be eaten raw，boiled，or fried. ?Products：peanut meal，peanut milk and so on.