Choose the correct answer to each of the following questions. "Here are some principles for people to stick to ____ they want to stay healthy."

Aluminium foil is used to wrap food in the kitchen. It is very thin flexible metal sheet, sold in a roll, and since it is put in the oven. The invention of the foil in France in 1903 may not have seemed hugely significant at the time but it began a packaging revolution that was to change our whole (i) _______ of life. Until the early 20th century, everything bought from shops was wrapped with paper and string. (ii) _______ the growing technological expertise in the world, packaging remained quite basiC. Aluminium foil was not widely used until 1914, when people began using it as a secure top for milk bottles. Some forty years later, however, the packaging revolution really (iii) _______  when companies making the cans used for soft drinks stopped using tin, a metal which was becoming too expensive, and switched to aluminium. (iv) _______ production of aerosol cans soon followed. Al the turn of the 20th century, there was little or no packaging to throw away. But with the arrival of the new materials, what we now refer to as the “throw – away society” was bom. Disposable razors, for example, were (v) _______ to be used and then thrown aw’ay. The idea was appealing to manufacturers because it meant that the customer would always be coming back for more.

(iii)______-

Carefully conducted studies that have followed the children of working mothers have not been able to shown any long-term problems, compared with children of working mothers stayed at home. My personal (i) _______  is that mothers should be allowed to work if they wish. Whether we like it or not, there a number of mothers who just have to work. There are those who have invested such a big part of their lives in establishing a career that they cannot expect to see it lost. Then there are many who must work out of pure economic necessity. Many mothers are not (ii) _______ out to be full-time parents. After a few months at home with a much loved infant, they feel trapped and isolated. There are a number of options when it refers to choosing childcare. These range from child minders and nannies through to Granny or the kind lady (iii) _______ the street. In reality, however, many parents don’t have any choice; they have to accept anything they can get. Be prepared! No matter how good the childcare may be, some children are going to protest wildly if they are left. This is a (iv) _______ normal stage of child development.Babies separate well in the first six months, but soon after that, they start to get a crush on Mum and close family members. Make sure that in first week, you allow plenty of time to help your child settle in. All children are different. Some are independent, while others are more attached to their mothers. Remember that if you want to do the best for your children, it’s not the quantity of time you spend with them, it’s the (v) _______ that matters.

(v)_____-

Mr Minh advised my family   ......  leaving Vietnam.

Some years ago, when I was working as an astronomer at the Greenwich Observatory in London I received a letter from an elderly lady living nearby who said: “When I was a girl we could sec so I many stars, but they’re not there anymore. Have they faded?” Walking down the hill on which the observatory stands, I (i) _____ the truth of what she said. Beneath me were all the lights of London and above me was the orange glow they send up into the night sky. But I could (ii)  _____ see any stars. If light pollution – as this effect is known – continues to increase at its present rate, our grandchildren will only get the chance to see the stars if they visit an observatory like the one in Greenwich. Light pollution is almost (iii) _____ for granted in most cities, and it is fast spreading into rural areas too. (iv) _____ recent research, almost half of all Europeans and two-thirds of North Americans can no longer see the milky Way. And this type of pollution doesn’t only destroy our view of the night sky. It also wastes money and causes environmental pollution. For example, a single light bulb, (v) _____ all year, releases around a quarter of a tone of carbon dioxide into the atmosphere, making global warming even worse.

(iv)_______

In Britain these days, it seems even very young children hope to wear a Calvin Klein watch or Nike trainers. Fashion experts claim that brand names have become so important that their followers (i) _____  to be able to buy the company’s products no matter what. In an (ii) _____  to get people to buy, these companies’ symbols are used so extensively that they have become more important than the products themselves. In a recent survey of British teenagers, only one out of 60 would admit that they did not own any designer clothes of the (iii) _____ fashion. The survey also revealed that a staggering 60 percent are willing to spend the same (iv)    of money on one designer item as on two non – designer items which might do harm to their image. Some people argue that on the whole, designer labels offer a guarantee of quality, but 35 per cent said they would rather buy counterfeit designer wear than a non – label item of clothing. The survey suggests that we have less real choice in what we buy than we might think. The media make the decisions about what is in fashion, and so a whole generation is trying to (v) _____ smart by wearing identically labeled trainers, jeans, shirts and sweatshirts.

(iv)______

Many adults in America and increasing numbers elsewhere take part in mentoring schemes. A mentor is an adult who provides support and friendship to a young person. There are (i) _____ different ways of mentoring: passing on skills, sharing experiences, offering guidance. Sometimes the most helpful thing is just to listen. Mentoring is open to anybody – no particular (ii) _____ experience is required, just a desire to make a difference to the life of a young person who needs help. This may seem a difficult thing at first, but many people find they have a real (iii) _____ for it.

The support of a mentor can play an important role in a child’s development and can often make up (iv) _____a lack of guidance in a young person’s life. It can also improve young people’s attitude towards society and build up their confidence in dealing with life’s challenges. For the mentor, it can be incredibly rewarding to know that they have had a significant (v) _____ on a child and helped to give them the best possible chance in life. Indeed, it is not only adults who are capable of taking on this role. There is now an increasing demand for teenagers to mentor younger children, for example by helping them with reading or other school work.

(ii)______

Parrots and macaws have become so rare that special varieties of these birds are fetching up to £9,000 each on the black market in Britain. Macaws from Brazil cost from £1,000 and parrots from Australia can cost £7,500 a pair. The demand for parrots, cockatoos and macaws has led to a (i) _______ increase in thefts from zoos, wildlife parks and pet shops. London and Whipsnade zoos are among the many places from which parrots have been stolen. Some thefts have not been (ii) _______  in an effort to prevent further incidents. Parrot rustling, as it is known among bird fanciers, has increased rapidly in Britain since 1976 when imports and exports of exotic birds became (iii) _______ controlled. Quarantine controls, coupled with the scareity of many types of paiTOts in the wild in Africa, Australia, Indonesia, and South America, have caused a shortage of birds which can be sold legally under (iv) _______. This has sent prices to (v) _______ levels. Working al night and equipped with wire-cutters, nets and substances to dope the birds, the rustlers are prepared to take serious risks to capture the parrots they want. At Birdworld, a specialist zoo, thieves stole two parrots after picking their way through an enclosure containing cassowaries. The cassowary is a large flightless bird, related to the emu, which can be extremely agressive, and has been known to kill humans with blows from its powerful legs.

(iii)_______

Some years ago, when I was working as an astronomer at the Greenwich Observatory in London I received a letter from an elderly lady living nearby who said: “When I was a girl we could sec so I many stars, but they’re not there anymore. Have they faded?” Walking down the hill on which the observatory stands, I (i) _____ the truth of what she said. Beneath me were all the lights of London and above me was the orange glow they send up into the night sky. But I could (ii)  _____ see any stars. If light pollution – as this effect is known – continues to increase at its present rate, our grandchildren will only get the chance to see the stars if they visit an observatory like the one in Greenwich. Light pollution is almost (iii) _____ for granted in most cities, and it is fast spreading into rural areas too. (iv) _____ recent research, almost half of all Europeans and two-thirds of North Americans can no longer see the milky Way. And this type of pollution doesn’t only destroy our view of the night sky. It also wastes money and causes environmental pollution. For example, a single light bulb, (v) _____ all year, releases around a quarter of a tone of carbon dioxide into the atmosphere, making global warming even worse.

(v)_______

For all the talk of what humankind has done to cause destruction to the planet, we should not forget that nature itself is a powerful force, capable of doing damage on a huge scale. The greenhouse (i) _____ and the hole in the ozone layer are indeed made worse by the industrialized society we live in. However, we must remember that there are certain species of plant and animal which, quite naturally, (ii) _____ offgases that are very harmful to the atmosphere. And only fifty years ago in London, hundreds of people died from the smog which hung over the River thames. What is interesting here is that, yes, smoke and gases from industry, vehicles and fossil (iii) _____  were ingredients in this deadly mixture. The other vital ingredient, though, was the completely natural fog, and who would have thought that could be harmful? In the early days of the industrial revolution, poets, painters and philosophers described how the polluted urban skies made them think of the end the world. Well, towards the end of the nineteenth century, the volcanic eruption of Krakatoa nearly made it happen! Though of tons of dust and ash were thrown into the air and, for years afterwards, there were red sunsets caused by the light filtering through this natural pollution. Remembering scientists pet theory about the dinosaurs (iv) _____ out because of a huge volcanic eruption, we were lucky that humankind survived this time. So next time you look out from your garden or balcony and see a beautiful red sunset, think of the possibilities. It could be the result of our activities poisoning the air we breathe, or it might just be (v) _____ turning on the radio to check there haven’t been any major eruptions lately!

(iv)______

Sainsbury’s, one of Britain’s leading supermarkets, are deeply concerned about (i) _____  out theirresponsibilities regarding the environment. They claim that many of their customers want to buy products that don’t have a negative environmental (ii) _____. Due to this, more than 50 per cent of their own­ brand products are environmentally friendly. Furthermore, Sainsbury’s have been using recycled cardboard packaging for years on such things as breakfast cereals and biscuits. Many of their stores also offer customers the opportunity to recycle their own packaging. They have (iii) _____ them with special recycling bins for paper, glass and even shoes. These bins are supplied by the local authority and are in display at the front of most major stores. (iv) _____ from many other environmental projects which they are involved in, Sainsbury’s also encourage their customers not to use plastic carrier bags, with their Bag for life and Penny Back offers. In the first scheme, the orange reusable Bag for life bags cost lOp, and when they wear out, customers can take them back to the store and (v) _____ a free bag in return. In the second scheme, customers get a penny back for every plastic carrier bag they reuse. Via this second scheme, they gave 640,000 penny back to customers last year, of which more than half ended up in Sainsbury’s charity boxes.

(ii)______

lí’you’re interested in having the trip of a lifetime, but also doing something useful at the same time, then why not try joining a Grccnforcc expedition as a volunteer. Grccnforcc, which was (i) _____ in 1997, is an international researeh agency that gathers information about the wildlife and natural habitats in various parts of the world. There is a qualified biologist in (ii) _____ of each team of volunteers and these carry out surveys all year round in some of the world’s remotest and most beautiful places. Volunteers come from all walks of life. The minimum age is 18 years, but there is no upper age (iii)  _____. No previous experience is necessary as Greenforce provides full training in animal identification and survey methods. You’ll need to be somebody who enjoys the outdoor life, however, as working in remote locations can be challenging. You’ll also need to be (iv) _____ about wildlife and prepared to learn a lot about the place you visit. Each expedition lasts for ten weeks, and training begins in the UK with a residential weekend where you can get a taste of expedition life and meet up with some of your team mates, as (v) _____ as learning about first- aid and basic survival skills. Each volunteer contributes 2,550 towards the cost of the expedition, but past volunteers say it is worth every penny.

(iii)_______

She wasted much time  .......  her old pair of shoes.

lí’you’re interested in having the trip of a lifetime, but also doing something useful at the same time, then why not try joining a Grccnforcc expedition as a volunteer. Grccnforcc, which was (i) _____ in 1997, is an international researeh agency that gathers information about the wildlife and natural habitats in various parts of the world. There is a qualified biologist in (ii) _____ of each team of volunteers and these carry out surveys all year round in some of the world’s remotest and most beautiful places. Volunteers come from all walks of life. The minimum age is 18 years, but there is no upper age (iii)  _____. No previous experience is necessary as Greenforce provides full training in animal identification and survey methods. You’ll need to be somebody who enjoys the outdoor life, however, as working in remote locations can be challenging. You’ll also need to be (iv) _____ about wildlife and prepared to learn a lot about the place you visit. Each expedition lasts for ten weeks, and training begins in the UK with a residential weekend where you can get a taste of expedition life and meet up with some of your team mates, as (v) _____ as learning about first- aid and basic survival skills. Each volunteer contributes 2,550 towards the cost of the expedition, but past volunteers say it is worth every penny.

(i)_______

Researehers in the field of psychology have found that one of the best ways to make an important decision, such as choosing a university to attend or a business to invest in, involves the utilization of a decision worksheet. Psychologists (i) _______ optimization compare the actual decisions made by people to theoretical ideal decisions to see how similar they are. Proponents of the worksheet procedure believe that it will yield optimal, that is, the best decisions. (ii) _______ there are several variations on the exact format that worksheets can lake, they are all similar in their essential aspects. Worksheets require defining the problem (iii) _______ a clear and concise way and then listing all possible solutions to the problem. Next, the pertinent considerations that will be affected by each decision are listed, and the relative importance of each consideration or consequence (iv) _______ . Each consideration is assigned a numerical value to reflect its relative importance. A decision is mathematically calculated by adding these values together. The alternative with the highest number of points emerges as the best decision. Since most important problems are multifaceted, there are several alternatives to choose from, each with unique advantages and disadvantages. One of the benefits of a pencil and paper (v) _______ procedure is that it permits people to deal with more variables than their minds can generally comprehend and remember.

(iv)_______

Their car does 150 miles _____ hour

Today, there are libraries in almost every towns in the world. Even in areas where there are no libraries, there are often mobile libraries which take books from one village to (i) _______  . But in the days when books were copied by hand rather than printed, libraries were very rare. The reason is simple: books took a very long time to produce, and there were far fewer copies of any given work around. The greatest library (ii) _______ all, that in Alexandia had 54,000 books. In the ancient world, this number (iii) _______ considered huge. It was the first time that anyone had collected so many books from all around the world under one roof. There are many theories about why these books were lost. (iv) _______ is that the library accidentally burned down. Another is that one of the rulers of the city ordered the books to be burned. They were taken to various places and it took six months to bum them. (v) _______ happened, the collection there was priceless. Many of the library’s treasures were lost forever, some books were never recovered. We cannot even know exactly what the library contained.

(ii)______

Traditionally, spas were places which had a spring of mineral water, where people who were sick went to recover from an illness or (i) _____ a disease. Spas were developed by the (ii) _____ Romans, who built public bath houses over hot volcanic springs. Some Roman baths could accommodate up to 6,000 bathers, and had restaurants, sports centres, swimming pools, gardens and libraries. An extremely low entrance fee ensured the popularity of the baths. There was no fixed order in which the rooms were used. People might begin with a hard workout, before going to the Warm Room to relax, have a vigorous massage in olive oil and then (iii) _____ a good soak in a warm bath. Next, they could take a bath in the Hot Room, before cooling down the Cold Room. After that, they might (iv) _____ for a swim, read some poetry in the library, have a (v) _____ to eat, or talk about urgent matters of state in a private talk room

(v)_______

In Britain, greetings cards are sold in chain stores and supermarkets, in newsagents’ shops, comer shops and, increasingly, in shops that specialize in the sale of cards and paper for wrapping presents in. The (i)  _______ cards are birthday and Christmas cards. Many Christmas cards are sold in aid of charity and special ‘charily card shops’ are often set up in temporary premises in the weeks before Christmas. A wide (ii) _______ of birthday cards is available to cater for different ages and tastes. Some, especially ones for young children or for people (iii) _________ a particular birthday, have the person’s age on the front. Many have comic, often risque, messages printed on them, and cartoon-style illustrations. Others are more sober, with reproductions of famous paintings or attractive original designs. The usual greeting on a birthday card is ‘Happy Birthday’, ‘Many Happy Returns’ or ‘Best Wishes for a Happy Birthday’. Some people also send special cards for Easter and New Year, Easter cards (iv) _______ portray images of spring, such as chicks, eggs, lambs, spring flowers, etc., or have a religious theme. Cards are produced for every ‘milestone’ in a person’s life. There are special cards for (v) _______ engagement, a marriage, a new home, a birth, success in an examination, retirement, a death in the family, etC. Some are ‘good luck’ or ‘congratulations’ cards. Others, for example ‘get weir cards for people who are ill, express sympathy.

(iv)_____-

Shall have to bring this matter  ........... at the next meeting.

There’s extensive historical evidence that our ancestors may have witnessed a massive invasion of Unidentified Flying Objects encroaching on their territories. These extraterrestrials are (i) _______ to have come into touch with the ancient earthly populations and helped them erect numerous magnificent structures or even establish glamorous empires. However, the present – day fascination with UFO was only instigated by the first widely (ii) _______ American sighting in Idaho in 1947. Since that time, countless other close encounters have been reported both by highly credible witnesses such as top – class pilots and less credible ones such as ordinary civilians. Thousands of people around the world maintain having come (iii) _______ to the visitors from outer space or to have been abducted for a scientific study inside their flying saucers. Although most of theseaccounts have been dismissed as fantasy or hallucinations, there’s (iv) _______ criticism from the public and media for ignoring the subject for too long. To many people, rejecting even the most inexplicable sightings or UFO encounters as luminous artificial objects, natural phenomena like auroras or even as meteorological balloons and satellites seems to be an irresponsible approach. Most of us would prefer to believe that there extraterrestrial guests are arriving from some remote galaxies to establish a peaceful relationship and possibly give us a fair warning against the consequences of our wasteful lifestyles. Yet, there’s another theory (v) _______ that the visitors’ attitude towards mankind isn’t so conciliatoryas the terrestrial populations. Doubtless, flying saucers still continue to be observed in many places of the world, triggering the imagination of UFO – maniacs. But, a large percentage of such sightings will remain beyond explanation until more convincing evidence is supplied by the true experts.

(v)______-