Polar bears are in danger of dying out. Unlike some other endangered animals, it's not hunters that are the problem, it's climate change. Since 1979, the ice cap at the Arctic Circle where the polar bears live has reduced in size (1)_____ about 30 per cent. The temperature in the Arctic has slowly been rising and this is (2)_____ the sea ice to melt, endangering the polar bears' home. The polar bears' main sources of food are the different types of seals found in the Arctic. They catch them by waiting next to the air holes seals have made in the ice. (3)_____ the bears are very strong swimmers, they could never catch seals in water. This means that the bears really do rely on  the ice to hunt. Polar bears also need sea ice to travel. They can cover a huge territory and often swim from one part of the ice to another. They have been (4)_____ to swim up to 100 km, but when there is less ice, they may have to swim further and this can (5)_____ fatal to the bears. A number of bears have drown in the last few years and scientists believe that it is because they were not able to reach more ice before they became too tired and couldn't swim any further.

Left-handers are the odd ones out. Sure, lefties (1)____ up about 10 percent of the population - but, frankly, it seems like society has forgotten about them. Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that t comfortably only in your right hand. What (2)_____ someone to become a lefthander? Scientists aren’t exactly sure, but research points to a complex (3)_____ between genes and environment. While no exact set of “leftie genes” have been discovered, people who dominantly use their left hands do have more left-handed family members. And researchers have found different brain wirings in righties vs. lefties. But no matter (4)_____ it is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have. So for all of you lefties, leftie-loving righties, and ambidextrous folks out there - it’s time to brush up on your lefthanded knowledge and help (5)_____ an end to leftie discrimination once and for all.

The knock-on effect of volunteering on the lives of individuals can be profound. Voluntary work helps foster independence and imparts the ability to deal with different situations, often simultaneously, thus teaching people how to (1)______ their way through different systems. It therefore brings people into touch with the real world; and, hence, equips them for the future. Initially, young adults in their late teens might not seem to have the expertise or knowledge to impart to others that say a teacher or an agriculturalist or a nurse would have, (2)______ they do have many skills that can help others. And in the absence of any particular talent, their energy and enthusiasm can be harnessed for the benet (3)______ their fellow human beings, and ultimately themselves. From all this, the gain to any community no matter how many volunteers are involved is (4)______ . Employers will generally look favorably on people (5)_____ have shown an ability to work as part of a team. It demonstrates a willingness to learn and an independent spirit, which would be desirable qualities in any employee

You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (1)_____ , experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and identify areas that an employer might see as limitations or wan further information. Think about how you can answer difcult uestions (2)_____ and positively, while keeping each answer brief. An interview gives the employer a (3)_____ to get to know you. While you do want to market yourself to the employer, answer each question with an honest response. Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (4)_____ . If you are genuinely interested in the job, let the interviewer know that. One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (5)_____ interest by asking questions about the job, the organization, and its services and products

When hosting an Olympic Games, a country has to take account of several considerations, among which the nancial one is by far the most important. The costs of hosting the Olympics can (1)____ tens of
billions of dollars, and it is commonplace for budgets to double or even triple. In addition to the direct costs of hosting the Games (the opening and closing ceremonies, athletes’ village, security, etc.,), cities often must build expensive new venues (2)_____ lesser-known sports. Once constructed, sports venues often incur additional maintenance costs long after the Games have ended. While costs are the (3)_____ concern for a host city, there are other factors to consider. For one, an Olympic host city may receive substantial revenue from ticket sales, tourist spending, corporate sponsorship, and television rights. Cities such as Los Angeles (1984) actually made a large prot from the Games they hosted. (4)_____ , hosting the Olympic Games confers prestige on a host city and country, which can lead to increased trade and tourism. The Olympics are also an opportunity to invest in projects (5)_____ improve the city’s quality of life, such as new transportation systems

(4)_____ , hosting the Olympic Games confers prestige on a host city and country, which can lead to increased trade and tourism.

In many countries of Northern Europe, including Scandinavia, Finland, Northern Russia, and the Baltic states, ice swimming is closely connected with the tradition of sauna, (1)____ has led to the creation of a new activity where stays in the sauna are (2)_____ with quick 'pauses' in ice water. In Russia, ice swimmers are called what can be literally translated as 'walruses '.

While costs are the (3)_____ concern for a host city, there are other factors to consider. For one, an Olympic host city may receive substantial revenue from ticket sales, tourist spending, corporate sponsorship, and television rights. Cities such as Los Angeles (1984) actually made a large prot from the Games they hosted.

Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that t comfortably only in your right hand. What (2)_____ someone to become a lefthander?

So people are urged totake moderate exercise and eat moderately healthily rather than embarking on extreme diets and training. In too many instances, ultra- t people have had heart attacks or dropped down dead. In all, governments need to nd ways of (4)_____ people to take responsibility for their own health.

In addition to the direct costs of hosting the Games (the opening and closing ceremonies, athletes’ village, security, etc.,), cities often must build expensive new venues (2)_____ lesser-known sports. Once constructed, sports venues often incur additional maintenance costs long after the Games have ended.

The temperature in the Arctic has slowly been rising and this is (2)_____ the sea ice to melt, endangering the polar bears' home. The polar bears' main sources of food are the different types of seals found in the Arctic. They catch them by waiting next to the air holes seals have made in the ice.

Scientists aren’t exactly sure, but research points to a complex (3)_____ between genes and environment. While no exact set of “leftie genes” have been discovered, people who dominantly use their left hands do have more left-handed family members.

And researchers have found different brain wirings in righties vs. lefties. But no matter (4)_____ it is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have.

If you are genuinely interested in the job, let the interviewer know that. One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (5)_____ interest by asking questions about the job, the organization, and its services and products

The north of Europe, (3)_____ , is not the only place where winter swimming is practised regularly. A large ice swimming movement exists in the UK, based in a famous location: the Serpentine Lake in Hyde Park in London. In Harbin, Northern China, about 200,000 people ice-swim in the Songhua River every winter.