【题目】(2014 山东泰安检测) Maggie shows a very positive attitude ________ her work.

A. to

B. with

C. of

D. in

【题目】It is necessary for college students to master at least one foreign language.

It is necessary __________ college students __________ __________ at least one foreign language.

【题目】She suggested that we should go for his help.

__________ __________ is that we __________ for his help.

【题目】You're five minutes late. I suggested that you __________ (come) earlier tomorrow.

【题目】She insisted that she __________ (send) to work in the far-away small town.

【题目】The wings of the plane, which stretched out for 80 feet, were __________ of its body.

A. more than the length twice

B. more than twice the length

C. twice the length more than

D. twice more than the length

【题目】老师给我们解释怎样解决这个难题。 (solve)

【题目】Fujian has shut down the chicken markets ______ human infections of H7N9 were found.

A. whose B. why C. which D. where

【题目】向……宣战

【题目】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 same-aged 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 high-fat 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 obesity-related 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."