helps us lose weight. White fat stores extra energy, which results 3.________

　　weight gain. The researchers said that because air conditioning and heating give us constant,

　　4.________

　　(comfort) temperatures, our body's need for brown fat has decreased. They found that Outdoor workers in northern Finland who 5.________

　　(expose) to cold temperature have 6.________

　　significant amount of brown fat when

　　7.________

　　(compare) to same­aged indoor workers.

　　The research was conducted on two different control groups of mice. 8.________

　　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

　　9.________

　　(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 10.________ (possible) lose more weight even if eating the same amount of food.”

　　Ⅳ.书面表达

　　假如你是学生会主席李华，你校将举办英语话剧比赛，请根据以下海报内容用英语写一份通知。

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