F.Healthy foods provide nutrients to your brain cells to keep them energized.
G.We need to have a positive mental state if we want to improve our study efficiency.
答案:1~5 DAEFB语法填空(2016·宁夏回族自治区银川一中模拟)Scientists have discovered that
1.________ (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, 2.________
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
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