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In the Stone Age，people didn't need to find salt．They were hunting a lot of their food，and eating a lot of red meat．Red meat has plenty of salt in it，and naturally，people at that time didn't have to go and find extra salt．But when people began to farm，about 10，000 BC，they started to eat mainly grains like rice and very little meat．Then they really needed another way to get salt．People sprinkled（灑） salt on different kinds of food，because there were no refrigerators．
The earliest evidence we have for people producing salt comes from northern China，where people seem to have been harvesting salt from a salt lake by 6，000 BC and maybe earlier．
By about 4，500 BC，Central Asian people along the shores of the Caspian Sea were mining rock salt underground．This is the earliest known salt mine in the world．
By 800 BC，Chinese written records tell us that people in China were producing salt by boiling ocean salt water until the salt was left．About the same time，in Europe，the Indo-European Celts（凱爾特人）were mining salt underground in modern Austria，Hungary，southern Cermany and Poland．
By 252 BC，a Chinese governor named Li Bing also worked out how to mine salt．Men dug deep wells down to where there were natural underground salt water pools，and took the salty water out．
Because everyone needed salt，but only a few people could produce it，salt was something everybody bought．Governments，therefore，began to tax it to raise a lot of money．Both the Han Dynasty and the Tang Dynasty，in China，got a lot of their money from the salt trade．About 1，000 AD，businessmen brought salt across the desert on the backs of the camels．The businessmen used the salt to buy slaves and goods from West Africa．Then they forced the slaves to mine even more salt．
（1）People in the Stone Age didn't have to find salt because AA．
A．they ate lots of red meat which contains salt
B．they didn't know how to preserve food
C．they couldn't adapt to the taste of salt
D．they gave meat to others in exchange for salt
（2）According to the passage，how did the Central Asian people get salt？ DD
A．By boiling ocean salt water
C．By taking salt water from salt water pools
C．By harvesting salt from a salt lake
D．By mining rock salt underground
（3）What can be inferred from the last paragraph？ CC
A．Many people couldn't afford to buy salt
B．Salt once functioned as money in ancient times
C．Salt was the main source of economy in the Tang Dynasty
D．West Africa learned how to mine salt from China．
【考點】傳統習俗與文化．
【答案】A；D；C
【解答】
【點評】
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發布：2024/11/25 8:0:2組卷：9引用：1難度：0.7
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