Unit 9 英语拓展模块练习册Unit 9 完形 译文 、段 段 制作:心海 Recent researchers say that up to 40 percent of cancer can (be prevented) if people would eat mainly plant-based diets, exercise regularly and maintain a healthful body weight. The scientists issued steps that people can take to (lower) cancer risk. First, eat five or more servings of fruits and vegetables (land) . This can cut worldwide cancer cases by 20 percent. Fruits and vegetables are nutritional gold mines, and they can help maintain health, improve