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VOA慢速英语 六种改变世界的食物

时间:2015-12-09 14:58来源:互联网 提供网友:nan   字体: [ ]
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AS IT IS 2015-12-07 Six Foods That Changed the World 六种改变世界的食物

Food affects more than people’s bodies. It contributes to social status, empires and the outcome of wars.

So what foods have helped shape civilization? Christopher Cumo, author of “Foods That Changed History,” says these six crops have played a major role.

Potato

One food at the top of the list is the potato. 

Ahh …. When you think about foods made with the potato — french fries, potato chips, mashed1 potatoes and potato salad — what is there not to like about potatoes?

The potato is the world’s largest food crop. People in the English-speaking world call it the “white potato” or “Irish potato” to distinguish it from the sweet potato.  

Author Christopher Cumo says South Americans introduced the potato to the Spanish in the 16th century. The Spanish loved it and quickly brought it back to Europe.

But many Europeans realized the potato plant was related to a lot of other plants that had poisonous leaves and stems. They believed the potato was also poisonous. So for a time, Europeans would not eat it.

However, Cumo says, Europeans’ attitudes changed when they learned how many calories one small potato offered.

“Farmers began growing potatoes and they were? so important because they provided a dense2 packet of nutrients3 and calories. So that if you only had a limited amount of land and you had to plant something that yielded abundant calories, you planted potatoes.”

Farmers also liked the potato because it protected them against hungry soldiers. Cumo explains that armies traditionally fed themselves by stealing grain from farmers’ fields.

"Well, farmers begin to understand that if they plant potatoes no army would camp long enough to dig up all the potatoes because you are too vulnerable to counterattack at that point. So the potatoes saved farmers from the traditional horrors of starvation during warfare4.”

Ireland even came to depend on the potato. However, in the 19th century a disease there killed millions of acres of potatoes. The loss caused a mass famine. A million Irish people died, and millions more migrated to the United States and Canada.

Sugar

Next on the list is that white, crystal-like substance used in many sweet desserts and sodas5: sugar.  

Beyond the way it expands our waists and rots our teeth, Cumo says sugar played a tragic6 role in the new world.

“I’m thinking particularly about the tropics: the Caribbean islands and all of tropical America, even Brazil and in countries of that sort. They all rapidly adopted sugar cane7 to feed the demand for sugar -- sugar cane being the plant from which we derive8 sugar."

These countries developed large, profitable sugar cane estates. But the workers kept dying of new European diseases.

So landowners looked for a new source of labor9. They found it in Africa. In other words, sugar fueled the African slave trade.

“So our sugar came at a terrible price, I would argue, at the price of many lives and aspirations11 destroyed over many generations.”?

Corn 

This next food is the most produced crop in the world. But three-quarters of it go to farm animals.

Cumo says maize12 — also known as corn — is not primarily a food for humans; however, it has long been a cultivated crop for people in the Americas.

“Worldwide, in large places in Latin America and Mexico, people are much more willing to eat corn as a food. So it’s an important part of Mexican cuisine13. You can go to any Taco Bell in the world and order your corn tortilla.”

Cumo says native people in North and South America always ate corn. To them, he says, it was too important to feed to the llamas!

Today, corn that people and animals do not eat is converted – changed into a variety of products. For example, corn can be converted to ethanol that is used in alcoholic14 drinks as well as in gasoline.  

Corn can also be converted into corn syrup15 to sweeten sodas, chewing gum, yogurt and salad dressings16. If you ever had gravy17 or sauce on your food, cornstarch or corn flour is used as a thickener.

And how about those non-food products such as batteries, make-up, explosives, insecticides, detergents18, leather, rubber tires and tobacco? Elements of corn are in those, too.

Bottom line: Corn is in many things. It is a part of life from birth to death. Corn is found in some baby formulas for infants, as well as in embalming19 fluid to preserve the bodies of the dead.

Need I say more?

Rice

Rice may be even more important than corn as a food crop. Corn is used for many items, but rice feeds half the world’s population.

Cumo says most humans get the majority of their calories from rice. It is a major part of the diet in China, Southeast Asia and much of India. Rice is also an important food in parts of Africa.  

In fact, Cumo says rice is so important that it has a holy meaning. In some cultures, rice is a symbol of women and fertility. Other cultures have special ways they farm and store rice. The rituals honor the rice, as well as protect its power to give and sustain life.

“So rice has not only sustained people but it’s sustained the religious belief of all of these millions and now billions of people worldwide."?

Fish

Fish is also essential. Many species of animals eat fish, including humans.

Modern humans used sharpened sticks to spear fish in Europe’s rivers and lakes; however, early humans — Neanderthals — did not learn how to fish. Therefore, fish might have played some role in their extinction20 28,000 years ago.  

Cumo says the fish has also become a worldwide symbol of Jesus.

“You can read a number of stories in the (Christian) Gospels in which Jesus eats a piece of fish after his resurrection, or tells his friends to cast their net in another part of the lake where they’re able to capture many more fish. So fish has been enormously important in history."

As a result, he says, the image of a fish is often used to mean Christianity. 

Beans

Beans are grown and eaten all over the world. They are members of the legume family. This protein-rich, low-cost crop is related to a number of important food plants, including lentils, peas, beans, peanuts and soybeans.

Cumo explains that as farming developed, so did hierarchies21. Those with money and power could afford meat. But most people were not wealthy enough to buy animals to eat. So where did they get their protein? Largely from beans.

“It’s interesting to note that if you combine say beans and corn — which you have beans being an American crop and corn being another American crop, both developed in southern Mexico — you get a complete package of amino acids so the body doesn’t need anything more to meet its daily protein requirements.

"And you find this true for people throughout the world. If they combine soybeans, a close relative of beans,with whole grain rice, you get the perfect complement22 of proteins.”

He says people after people after people have combined beans and grains to get almost all the nutrients they need for their day-to-day existence.

In other words, beans — along with potatoes, sugar, corn, rice, and fish — have played a very powerful role in human survival, as well as in human history.

Words in This Story

distinguish – v. to notice or recognize a difference between people or things

poisonous – adj. very harmful or unpleasant

rot – v. to slowly decay or cause something to decay

rapidly – adj. happening quickly

derive – v. to take or get something from something else

aspiration10 – n. something that a person wants very much to achieve

cultivated – adj. raised or grown on a farm or under contolled conditions

convert – v. to change

bottom line – n. the most important thing to consider

sustain – v. to provide what is needed for someone to exist

extinction – n. a coming to an end or dying out

protein – n. a substance found in foods that is an important part of the human diet

status - n. the position of someone or something when compared to others

empire - n. a group of areas that are under the control of one ruler or government

calories - n. a measurement of heat used to show the amount of energy that foods produce in the body

estates - n. large pieces or land

llamas - n. a South American animal, often used for meat and for carrying supplies

resurrection - n. the Christian belief that Jesus Christ returned to life after his execution


点击收听单词发音收听单词发音  

1 mashed Jotz5Y     
a.捣烂的
参考例句:
  • two scoops of mashed potato 两勺土豆泥
  • Just one scoop of mashed potato for me, please. 请给我盛一勺土豆泥。
2 dense aONzX     
a.密集的,稠密的,浓密的;密度大的
参考例句:
  • The general ambushed his troops in the dense woods. 将军把部队埋伏在浓密的树林里。
  • The path was completely covered by the dense foliage. 小路被树叶厚厚地盖了一层。
3 nutrients 6a1e1ed248a3ac49744c39cc962fb607     
n.(食品或化学品)营养物,营养品( nutrient的名词复数 )
参考例句:
  • a lack of essential nutrients 基本营养的缺乏
  • Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》
4 warfare XhVwZ     
n.战争(状态);斗争;冲突
参考例句:
  • He addressed the audience on the subject of atomic warfare.他向听众演讲有关原子战争的问题。
  • Their struggle consists mainly in peasant guerrilla warfare.他们的斗争主要是农民游击战。
5 sodas c10ddd4eedc33e2ce63fa8dfafd61880     
n.苏打( soda的名词复数 );碱;苏打水;汽水
参考例句:
  • There are plenty of sodas in the refrigerator. 冰箱里有很多碳酸饮料。 来自辞典例句
  • Two whisky and sodas, please. 请来两杯威士忌苏打。 来自辞典例句
6 tragic inaw2     
adj.悲剧的,悲剧性的,悲惨的
参考例句:
  • The effect of the pollution on the beaches is absolutely tragic.污染海滩后果可悲。
  • Charles was a man doomed to tragic issues.查理是个注定不得善终的人。
7 cane RsNzT     
n.手杖,细长的茎,藤条;v.以杖击,以藤编制的
参考例句:
  • This sugar cane is quite a sweet and juicy.这甘蔗既甜又多汁。
  • English schoolmasters used to cane the boys as a punishment.英国小学老师过去常用教鞭打男学生作为惩罚。
8 derive hmLzH     
v.取得;导出;引申;来自;源自;出自
参考例句:
  • We derive our sustenance from the land.我们从土地获取食物。
  • We shall derive much benefit from reading good novels.我们将从优秀小说中获得很大好处。
9 labor P9Tzs     
n.劳动,努力,工作,劳工;分娩;vi.劳动,努力,苦干;vt.详细分析;麻烦
参考例句:
  • We are never late in satisfying him for his labor.我们从不延误付给他劳动报酬。
  • He was completely spent after two weeks of hard labor.艰苦劳动两周后,他已经疲惫不堪了。
10 aspiration ON6z4     
n.志向,志趣抱负;渴望;(语)送气音;吸出
参考例句:
  • Man's aspiration should be as lofty as the stars.人的志气应当象天上的星星那么高。
  • Young Addison had a strong aspiration to be an inventor.年幼的爱迪生渴望成为一名发明家。
11 aspirations a60ebedc36cdd304870aeab399069f9e     
强烈的愿望( aspiration的名词复数 ); 志向; 发送气音; 发 h 音
参考例句:
  • I didn't realize you had political aspirations. 我没有意识到你有政治上的抱负。
  • The new treaty embodies the aspirations of most nonaligned countries. 新条约体现了大多数不结盟国家的愿望。
12 maize q2Wyb     
n.玉米
参考例句:
  • There's a field planted with maize behind the house.房子后面有一块玉米地。
  • We can grow sorghum or maize on this plot.这块地可以种高粱或玉米。
13 cuisine Yn1yX     
n.烹调,烹饪法
参考例句:
  • This book is the definitive guide to world cuisine.这本书是世界美食的权威指南。
  • This restaurant is renowned for its cuisine.这家餐馆以其精美的饭菜而闻名。
14 alcoholic rx7zC     
adj.(含)酒精的,由酒精引起的;n.酗酒者
参考例句:
  • The alcoholic strength of brandy far exceeds that of wine.白兰地的酒精浓度远远超过葡萄酒。
  • Alcoholic drinks act as a poison to a child.酒精饮料对小孩犹如毒药。
15 syrup hguzup     
n.糖浆,糖水
参考例句:
  • I skimmed the foam from the boiling syrup.我撇去了煮沸糖浆上的泡沫。
  • Tinned fruit usually has a lot of syrup with it.罐头水果通常都有许多糖浆。
16 dressings 2160e00d7f0b6ba4a41a1aba824a2124     
n.敷料剂;穿衣( dressing的名词复数 );穿戴;(拌制色拉的)调料;(保护伤口的)敷料
参考例句:
  • He always made sure that any cuts were protected by sterile dressings. 他总是坚持要用无菌纱布包扎伤口。 来自辞典例句
  • I waked the orderly and he poured mineral water on the dressings. 我喊醒勤务,他在我的绷带上倒了些矿质水。 来自辞典例句
17 gravy Przzt1     
n.肉汁;轻易得来的钱,外快
参考例句:
  • You have spilled gravy on the tablecloth.你把肉汁泼到台布上了。
  • The meat was swimming in gravy.肉泡在浓汁之中。
18 detergents 2f4a6c42e9c2663b781bda4f769407b9     
n.洗涤剂( detergent的名词复数 )
参考例句:
  • Such detergents do not yellow the wool as alkali tends to do. 这种洗涤剂不会象碱那样使羊毛发黄。 来自辞典例句
  • Development of detergents has required optimization of the surfactants structure. 发展洗涤剂时,要求使用最恰当的表面活性剂结构。 来自辞典例句
19 embalming df3deedf72cedea91a9818bba9c6910e     
v.保存(尸体)不腐( embalm的现在分词 );使不被遗忘;使充满香气
参考例句:
  • The corpse was preserved from decay by embalming. 尸体用香料涂抹以防腐烂。 来自《简明英汉词典》
  • They were experts at preserving the bodies of the dead by embalming them with special lotions. 他们具有采用特种药物洗剂防止尸体腐烂的专门知识。 来自辞典例句
20 extinction sPwzP     
n.熄灭,消亡,消灭,灭绝,绝种
参考例句:
  • The plant is now in danger of extinction.这种植物现在有绝种的危险。
  • The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。
21 hierarchies 363a3f0eb8ee21c582e96e99979801de     
等级制度( hierarchy的名词复数 ); 统治集团; 领导层; 层次体系
参考例句:
  • That's a trip of two hierarchies. 那是两个领导层之间的互访。
  • Hierarchies of authority, spans of control, long-range plans, and budgets. 等级森严的权力机构,控制范围,长期计划,预算。 来自英汉文学 - 廊桥遗梦
22 complement ZbTyZ     
n.补足物,船上的定员;补语;vt.补充,补足
参考例句:
  • The two suggestions complement each other.这两条建议相互补充。
  • They oppose each other also complement each other.它们相辅相成。
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