B.slowly
C.frequently
D.occasionally
答案:A 由语境可知,西蒙的改变还不算晚,并且是朝着好的方面改变,因为这样我很感激。我无意当中的一句表扬的话语对西蒙的生活产生了如此巨大的影响。
Ⅳ.语法填空
阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
(2015·宁夏银川一中一模)
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 __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.”
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