ThespreadofWesterneatinghabitsaroundthewoodisbadforhuma...

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The spread of Western eating habits around the wood is bad for human health and the environment．These findings come from a new report in the journal Nature．There are ways to solve this diet-health-environment problem. But they will require a change in eating habits. And what we eat can be a product of culture, personal taste, price and ease.

David Tillman, a professor of ecology at the University of Minnesota, America, examined information from 100 countries to identify what people ate and how diet affected health．He noted a movement beginning in the 1960s．He found that as nations industrialized, population increased and earnings rose, more people began to adopt what has been called the Western diet．

The Western diet is high in sugar, fat, oil and meat．By eating these foods, people began to get fatter and sicker．David Tillman says overweight people are at greater risk for non-infectious diseases like diabetes and heart disease．

Unfortunately when people become industrialized, if they adopt this Western diet, they are going to have these health problems, especially in developing countries in Asia．China is an example where the number of diabetes cases has been jumping from less than one percent t0 10 percent of the population as they began to industrialize over a 20-year period．And that is happening all across the world, in Mexico, in Nigeria and so on．

And, a diet bad for human beings, it seems, is also bad for the environment．As the world's population grows, more forests and tropical areas will become farmland for crops or grasslands for grazing cattle．These areas will be needed to meet the increasing demand for food. More greenhouse gas are likely to be released in the future from agriculture because of this dietary shift than all the greenhouse gas that right now comes out of all the cars, and all of the planes, boats and ships, all forms of transportation．So the change in diet is likely to be worse for the world for climate warming than all the transportation sources.

Mr. Tillman calls the link between diet, the environment and human health, "a trilemma." This a play on the word "a dilemma": a problem offering a difficult choice．He says one possible solution is leaving the Western diet behind．

28. What can we learn from the first paragraph?

A. The westerns should change their living habit.               B. The western diet is not worth recommending.

C. People should try their best to exercise regularly.           D. The spread of Western diet may affect price.

29. The forms of transportation mentioned in the passage intend to       .

A. Tell us that many diseases are caused by all the transportation sources

B. Show more greenhouse gas is released for the change of the diet

C. Stress that more measures should be taken to control the use of them

D. Require that people should try their best to change their life style

30. According to the last paragraph, “trilemma”is       .

A. a play related to diet and health                             B. a program to teach words

C. a word transferred from dilemma                          D. a method to deal with problems

31. What is the writing style of the passage?

A. Compare and evaluate                                          B. Examine and assess

C. Argue and discuss                                               D. Inform and explain

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