【预讲练结】人教版必修三 Unit 2 Healthy eating 练习
一、阅读理解(共20小题,每小题2分,满分40分)
第一节(共15小题;每小题2分,满分30分)
A
Rice is an important part of many people's diets. Researchers from the Harvard School of Public Health in Massachusetts have released a report about rice. It shows that eating white rice increases the risk of diabetes(糖尿病). However, eating brown rice reduces the risk of the disease.
The World Health Organization says more than two hundred twenty million people worldwide have diabetes. Diabetes results when the body cannot effectively use the sugar it produces.
The men and women who took part in the study were asked about their diet and day-to-day activities, as well as any pre-existing diseases. The study found that the people who ate five or more servings of white rice per week had a seventeen percent increased risk of developing diabetes. But those who ate two or more servings of brown rice a week had an eleven percent reduced risk of getting the disease.
Brown rice is the grain in its natural form. White rice results after it has been refined. This involves