Ⅱ.语法填空(建议用时10′)

　　Scientists have discovered that 8.staying(stay) in the cold could help us lose weight.Researchers at the University of California found that exposure to the cold increases levels of a protein that helps form brown fat—the type of fat that produces heat and keeps us warm.Brown fat burns energy,9.which helps us lose weight.White fat stores extra energy，which results 10.in weight gain.The researchers said that because air conditioning and heating give us constant,11.comfortable(comfort) temperatures，our body’s need for brown fat has decreased.They found that：“Outdoor workers in northern Finland who 12.are exposed(expose) to cold temperature have 13.a significant amount of brown fat when 14.compared(compare) to same­aged indoor workers.”

　　The research was conducted on two different control groups of mice.15.One group was injected with the protein that helps create brown fat.This group later gained 30% less weight after both groups were fed high­fat diets.The researchers say this could be good news in the fight against obesity.People who are obese have 16.lower(low) levels of brown fat than thinner people.Head researcher Hei Sook Sul said，“This protein could become an important target for research into the treatment and prevention of obesity and obesity­related diseases.”She added：“If you can somehow increase levels of this protein，you could 17.possibly(possible) lose more weight even if eating the same amount of food.”

【（豫皖京闽粤通用）2017届高考英语北师大版一轮复习配套练习：book3 Unit 8《adventure》（含解析）】相关文章：

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