I can well remember that I was once asked to deliver a speech titled A Real Test in My Life before the whole class at the age of 9! You can imagine how ① (terrible) shy I was the moment I thought of that — with so many eyes ② (fix) upon me. I had no ③ (choose) but to prepare for it, though. First of all, I was to draft the speech, which was just a piece of cake for me, a good writer. But the hardest part ④ (lie) in my oral presentation from my memory, for to read from the paper was not allowed. The real moment began ⑤ I stood on the platform with my legs trembling and my mind blank. But my ⑥ (listen) were waiting patiently without any signs of rushing me. Gradually I found myself back, giving out my speech with difficulty. After what seemed to be a hundred years, I found my audience applauding — I made ⑦! From then on, my fear of talking before a big audience ⑧ (appear). Actually with my confidence building up, I now turn out to be a great speaker. Looking back, I know the greatest difficulty on our way ⑨success is our fear. Overcome it, ⑩ we will be able to achieve our goals.
What defines a healthy city? Is it a place with a lot of open spaces ① people can exercise and enjoy the fresh air? A place with little or no pollution? A place in which people can ② (free) socialize and express their ideas? Perhaps, it’s all that plus more. Other considerations are the availability of health and fitness facilities, an excellent healthcare program and sincere efforts by ③ local government to actively promote health and wellness among its citizens. Of all the cities in the world, one of the top six ④ (healthy) cities is Copenhagen, Denmark.
Copenhageners love to walk. Foot traffic accounts ⑤ 80% of all traffic in the Copenhagen city center. Those who prefer can also bike. It is estimated that more than a third of all work trips in Copenhagen ⑥ (carry) out on a bike. As for the climate here, the city does not have the blessing of pleasant weather all year round. ⑦everything starts to freeze, it turns several city squares into huge skating fields. The frozen parts of the city also make ⑧ easier for residents to skate around. The city also has museums and art galleries for the kids and ⑨ (grown-up). It has the Royal Danish Academy of Fine Art and the Royal Library housed in a rather grand building ⑩ (call) the Black Diamond.
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."