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提问人：网友apple_cug 发布时间：2022-01-07

[主观题]

Organic food has no nutritional or health benefits over ordinary food, according to a majo

r study.

Researchers from the London School of Hygiene & Tropical Medicine said consumers were paying higher prices for organic food because of its imagined health benefits, creating a global organic market worth an estimated $48 billion in 2007.

A systematic review of 162 scientific papers published in the scientific literature over the last 50 years, however, found there was no significant difference.

"A small number of differences in nutrient content were found to exist between organically and conventionally (通常) produced foodstuffs, but these have nothing to do with public health, " said Alan Dangour, one of the report's authors.

"Our review indicates that there is currently no evidence to support the selection of organically over conventionally produced foods on the basis of nutritional superiority . "

The results of research, which was commissioned by the British government's Food Standards Agency, were published in the American Journal of Clinical Nutrition.

Sales of organic food have fallen in some markets, including Britain, as a slowdown in economic growth has led consumers to cut back on purchases.

The Soil Association said that growth in sales of organic products in Britain slowed to just 1.7percent, well below the average annual growth rate of 26 percent over the last decade.

Why does organic food cost more than conventionally produced food？

A．Because people think they are much healthier.

B．Because they are more delicious.

C．Because people prefer organic food.

D．Because they sell better.

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更多“Organic food has no nutritional or health benefits over ordinary food, according to a majo”相关的问题

第1题

Food that is rich in organic matter______.A．has been nourished by fertilizersB．contains ve

Food that is rich in organic matter______.

A．has been nourished by fertilizers

B．contains vegetable matter that has not been consumed

C．has had chemicals and fertilizer added to it

D．contains large quantities of vitamins

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第2题

Food that is rich in organic matter__________．查看材料

A.has been nourished by fertilizers

B.contains vegetable matter that has not been consumed

C.has had chemicals and fertilizer added to it

D.contains large quantities of vitamins

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第3题

A．Its prospect has not been positive so far but more and more people begin to change t

heir mind.

B．It will be accepted by all people very soon.

C．More and more farmers use organic farming to produce food although it reduces the profit of them.

D．It grows fast and more and more farmers use organic farming to produce food.

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第4题

Part ADirections: Read the following three texts. Answer the questions on each text by cho

Part A

Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.

Health food is a general term applied to all kinds of foods that are considered more healthful than the types of foods widely sold in supermarkets. For example, whole grains, fried beans, and com oil are health foods. A narrower classification of health food is natural food. This term is used to distinguish between types of the same food. Raw honey is a natural sweetener, whereas refined sugar is not. Fresh fruit is a natural food, but canned fruit, with sugars and other additives, is not. The most precise term of all and the narrowest classification within health foods is organic food, used to describe food that has been grown on a particular kind of farm. Fruit and vegetables that are grown in gardens, that are sprayed only with organic fertilizers, that are not sprayed with poisonous insecticides, and that are not refined after harvest, are organic foods. Meat, fish, dairy and poultry products from animals that are fed only organically grown feed and that are not injected with hormones are organic foods.

In choosing the type of food you eat, then, you have basically two choices: inorganic, processed foods, or organic, unprocessed foods. A wise decision should include investigation of the allegations that processed foods contain chemicals, some of which are proven to be toxic, and that vitamin content is greatly reduced in processed foods.

Bread is typically used by health food advocates as an example of a processed food. First, the seeds from which the grain is sprayed with a number of very toxic insecticides. After the grain has been made into flour, it is made white with another chemical which is also toxic. Next a dough conditioner is added, along with a softener. The conditioner and softener are poisons, and in fact the softener has sickened and killed experimental animals.

A very toxic anti-fungal compound, is added to keep the bread from getting moldy.

Other foods from the supermarket would show a similar pattern of processing and preserving. You see we buy our good on the basis of smell, color, and texture, instead of vitamin content, and manufacturers give us what we want, even if it is poisonous. The alternative？ Eat health foods, preferable the organic variety.

Which term is used to distinguish between types of the same food？

A．Refined foods,

B．Natural foods.

C．Organic foods.

D．Unprocessed foods.

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第5题

According to a new TIME poll, what may be one of the reasons that Americans prefer to buy

organic food ant energy-efficient light bulbs？

A．These products are cheaper and more persuasive.

B．They are abiding by a kind of new contract.

C．The manufacturer of the products urges them to buy.

D．Buying such products has become a vogue.

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第6题

听力原文：Health food is a general term applied to all kinds of food that are considered mo

听力原文： Health food is a general term applied to all kinds of food that are considered more healthful than the types of foods widely sold in supermarkets. For instance, whole grains, fried beans, and corn oil are health foods. A narrower classification of health food is natural food, which is used to distinguish between types of the same food. Raw honey is a natural sweetener, whereas refined sugar is not. Fresh fruit is a natural food, but canned fruit, with sugars and other addictives, is not. The most precise term of all and the narrowest classification within health food is organic food, which is used to describe food that has been grown on a particular kind of farm. Fruits and vegetables that are grown in gardens that are only treated with organic fertilizers, that are not sprayed with poisonous insecticides, and that are not refined after harvest, are organic foods. Meats, fish, dairy and poultry products from animals that are fed only organically-grown feed and that are not injected with hormones are organic foods.

In choosing the type of food you eat, then, you have basically two choices: inorganic, processed foods, or organic, unprocessed foods. A wise decision should include investigation of the claims that processed foods contain chemicals, some of which are proven to be poisonous, and that vitamin content is greatly reduced in processed foods.

(30)

A．Refined food.

B．Processed food.

C．Natural food.

D．Organic food.

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第7题

1. Pigs roll in mud and cows graze on grass all da...

1. Pigs roll in mud and cows graze on grass all day. 2. Genetically engineered seeds produce food that has been proven to cause cancer and other problems in lab animals. 3. Some farmers refuse to use any pesticides, herbicides, or genetically modified seeds. 4. There are confined animal feeding operations. 5. Conventional farmers use chemical fertilizers to make plants grow. 6. Organic or local food is more expensive than conventional food. 7. Food is irradiated to last longer. 8. Harmful chemicals seep into the ground, or run off into our waterways, poisoning our water.

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第8题

Part ADirections: Read the following three texts. Answer the questions on each text by cho

Part A

Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.

Health food is a general term applied to all . kinds of foods that are considered much healthful than the types of foods widely sold in supermarkets. For example, whole grains, dried beans and corn oil are health foods. A narrower classification of health food is natural food. This term is used to distinguish between types of the same food. Raw honey is a natural sweetener, whereas refined sugar is not. Fresh fruit is a natural food, but canned fruit, with sugars and other additives, is not. The most precise term of all and the narrowest classification within health foods is organic food, used to describe food that has been grown on a particular kind of farm. Fruits and vegetables that are grown in gardens that are treated only with organic fertilizers, that are not sprayed with poisonous insecticides, and that are not refined after harvest, are organic foods. Meats, fish, dairy and poultry products from animals that are fed only organically grown feed and that are not injected with hormones are organic foods.

In choosing the type of food you eat, then, you have basically two choices: inorganic, processed foods, or organic, unprocessed foods. A wise decision should include investigation of the allegations that processed foods contain chemicals, some of which are proven to be toxic, and that vitamin content is greatly reduced in processed foods.

Bread is typically used by health food advocates as an example of a processed food. First, the seeds from which the grain is grown are treated with bichloride of mercury, an extremely toxic poison. Later, the grain is sprayed with a number of very toxic insecticides and pesticides. After the grain has been made into flour, it is bleached with nitrogen trichloride or chlorine dioxide, both toxic. Next, a dough conditioner, usually ammonium chloride, is added along with a softener, polyoxymethylene. The conditioner and softener ate poisons, and in fact, the softener has sickened and killed experimental animals.

A very toxic antioxidant is now added along with coal tar, a butter-like yellow dye. Finally calcium propionate, an anti-fungal compound, is added to keep the bread from getting moldy.

Other foods from the supermarket would show a similar pattern of processing and preserving. You see, we buy our food on the basis of smell, color, and texture, instead of vitamin content, and manufacturers give us what we want--even if it is poisonous. The alternative？ Eat health foods, preferably the organic variety.

What was the main idea of this passage？

A．Health foods.

B．The processing of bread.

C．Organic gardens.

D．Poisons.

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第9题

Organic food: Why？ 1. Europeis now the biggest market for organic food in the world, expan

Organic food: Why？

1. Europeis now the biggest market for organic food in the world, expanding by 25percent a year over the past 10 years. So what is the attraction of organicfood for some people？ The really important. thing is that organic sounds more"natural". Eating organic is a way of defining oneself as natural,good, caring, different from the junk-food-eating masses.

2. Unlike conventionalfarming, the organic approach means farming with natural, rather than man-made,fertilisers and pesticides. Techniques such as crop rotation(轮种)improve soil qualityand help organic farmers compensate for the absence of man-made chemicals. As amethod of food produc- tion, organic is, however, inefficient in its use oflabour and land; there are severe limits to how much food can be produced.Also, the environmental benefits of not using artificial fertilisers are tinycom- pared with the amount of carbon dioxide emitted(排放)by transportingfood.

3. Organic farming is oftenclaimed to be safer than conventional farming. Yet studies into organic farmingworldwide continue to reject this claim. An extensive review by the UK FoodStandards Agen- cy found that there was no statistically significant differencebetween organic and conventional crops. Even where results indicated there wasevidence of a difference, the reviewers found no sign that these differenceswould have any noticeable effect on health.

4. The simplistic claimthat organic food is more nutritious than conventional food was always likelyto be misleading. Food is a natural product, and the health value of differentfoods will vary for a number of reasons, including freshness, the way the foodis cooked, the type of soil it is grown in, the amount of sunlight and raincrops have received, and so on. Likewise, the flavour of a carrot has less todo with whether it was fertilised with manure(粪便) or something out of a plastic sack than with thevariety of carrot and how long ago it was dug up. 5. The notion that organic food is saferthan "normal" food is also contradicted by the fact that many of ourmost common food are full of natural toxins(毒素). As one research expert says : "People thinkthat the more natural something is, the better it is for them. That is simplynot the case. In fact, it is the opposite that is true: the closer a plant isto its&39;natural state, the more likely it is that will poison you. Naturally,many plants do not want to be eaten, so we have spent 10,000 years developingagriculture and breeding out harmful traits from, crops. "

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Organic food: Why？ 1. Europeis now the biggest mar

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Organic food: Why？ 1. Europeis now the biggest mar

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Organic food: Why？ 1. Europeis now the biggest mar

Paragraph 4

Organic food: Why？ 1. Europeis now the biggest mar

Techniques of organic farming help

Organic food: Why？ 1. Europeis now the biggest mar

There is no convincing evidence to

Organic food: Why？ 1. Europeis now the biggest mar

The weather conditions during the growth of crops

Organic food: Why？ 1. Europeis now the biggest mar

The closer a plant is to its natural state, the less suitable it is to

Organic food: Why？ 1. Europeis now the biggest mar

请帮忙给出每个问题的正确答案和分析，谢谢！

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第10题

Are organically grown foods the best food choices？ The advantages claimed for such foods o

ver conventionally grown and marketed food products are now being debated. Advocates of organic foods frequently proclaim that such products are safer and more nutritious than others.

The growing interest of consumers in the safety and nutritional quality of the typical North American diet is a welcome development. However, much of this interest has been sparked by sweeping claims that the food supply is unsafe or inadequate in meeting nutritional needs. Although most of these claims are not supported by scientific evidence, the greater number of written material advancing such claims make it difficult for the general public to sep arate fact from fiction. As a result, claims that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other benefits to health have become widely publicized and form. the basis for folklore.

Almost daily the public is surrounded by claims for "no-aging" diets, new vitamins, and other wonder foods. There are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones, that crops grown with organic fertilizers are nutritionally superior to chose with chemical fertilizers, that untreated grains are better than fumigated grains, and the like.

One thing that most organically grown food products seem to have in common is that they cost more than conventionally grown foods. But in many cases consumers are misled if they believe organic foods can maintain health and provide better nutritional quality than conventionally grown foods. So there is real cause for concern ff consumers, particularly those with limited incomes, distrust the regular food supply and buy only expensive organic foods instead.

The author implies that there is cause for concern if consumers with limit ed incomes buy organic foods instead of conventionally grown foods be cause ______ .

A．organic goods can be more expensive but are often no better than conventionally grown foods

B．many organic foods are actually less nutritious than similar conventionally grown foods

C．conventionally grown foods are more readily available than organic foods

D．too many farmers will stop using conventional methods to grow food crops

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