As a result of years of research, we know that too much animal fat is bad for our health.

For example, Americans eat a lot of meat and only a small amount of grains, fruit and vegetables. Because of their diet, they have high rates of cancer and heart disease. In Japan, in contrast, people eat large amounts of grains and very little meat. The Japanese also have low rates of cancer and heart disease. In fact, the Japanese live longer than anyone else in the world. Unfortunately, when people move to the US, the rates of heart disease and cancer increase as their diet changes. Moreover, as hamburgers, ice-cream, and other high fat food become popular in Japan, the rates of heart disease and cancer are increasing there as well. People are also eating more meat and dairy products in other countries such as Cuba, Mauritius and Hungary. Not surprisingly, the disease rates in these countries are increasing along with the change in diet. Consequently, doctors everywhere advise people to eat more grains, fruit and vegetables and to eat less meat and fewer dairy products.

31. What is the main idea of this passage?

A. Doctors advise people to eat more grains, fruit and vegetables.

B. Eating meat causes cancer and heart disease.

C. The kind of diet we have can cause or prevent diseases.

D. Children eat the same way their parents eat.

32. As a result of years of research, what is bad for our health?

A. Too much animal fat                        B. Animal fat

C. Too much vegetable oil                        D. vegetable oil

33. Do Americans or Japanese people have lower rates of cancer and heart disease?

A. Americans                B. The Japanese         C. Both of them        D. None of them

34. The rates of cancer and heart disease are increasing because ____________.

A. they move to the US

B. they eat more hamburgers and ice-cream

C. they eat large amounts of grains and very little meat

D. they change their diet

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