In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car. Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre.

Last year thieves broke into a Scottish stately home and stole only one thing: a rhino horn trophy, which at 1.5 meters was the longest in the world. Meanwhile, in China, pharmaceutical factories have been building up (1)___________ of antiques made from rhino horn, for the sole purpose of smashing them to powder to make the (2)___________ ingredient of many of their medicines. And in Zimbabwe, 34 poachers died in 1990 in the search for the black rhino. Recently, conservationists met to (3)___________a campaign to persuade countries where rhino horn is still part of the traditional medicine to switch to substitutes. The biggest threat to the survival of the rhinoceros is the refusal of certain countries to enforce a ban on domestic trading in rhino horn. The rhino horn is included in many doses for disorders raging from fevers to nosebleeds. Horn, like fingernails, is made of keratin and has no proven medicinal (4)___________. Traditional substitutes, such as horn from buffalo or antelope, are regarded as second best. The battle is thought to be winnable. But it may be harder than the battle against the trade in ivory, for there is a (5)___________between the two commodities. Ivory is a luxury; rhino horn, people believe, could save the life of their child

In Britain schools have to (2)_____ meals at lunchtime. Children can choose to bring their own food or have lunch at the school canteen. One shocking finding of this research is that school meals are much healthier than lunches prepared by parents.

There are many superstitions in Britain, but one of the most (1) ______ held is that it is unlucky to walk under a ladder even if it means (2)______the pavement into a busy street! If you must pass under a ladder, you can avoid bad luck by crossing your fingers and keeping them crossed until you have seen a dog. (3) ______, you may lick your finger and make a cross on the toe of your shoe, and not look again at the shoe until the mark has dried. Another common superstition is that it is unlucky to open an umbrella in the house - it will either bring (4)______ to the person who opened it or to the whole (5) ______. Anyone opening an umbrella in the fine weather is unpopular, as it inevitably brings rain

It was not until the late 18th century, when Captain Cook saw South Sea Islander decorating their bodies with tattoos that attitudes began to change. Sailors came back from these islands with pictures of Christ on their backs and from then on, tattooing (4)_____ in popularity.

Being successful does depend on luck, to a certain extent. But things are more likely to (5)_______ well if you persevere and stay positive.

A factor robot (2)_____ one task endlessly until it is reprogrammed to do something else. It doesn’t run the whole factory.

Last year, there were millions of international tourist arrivals across the globe. Whether they were students on their (1)______ years looking for overseas adventure, stressed-out workers hoping to get away for a weekend, or retirees (2)_______ to relax in an exotic locationclearly none of them thought they could find the same experience at home.

It was (3)_______ by oral traditional and is noted for its energy, humor, and emotional impact. The major source of early American folk songs was music from the British Isles, but songs from Africa as songs of the American Indians have significant part in its heritage. Later settler from other countries also contributed songs.

Trees are among the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But (1)_______ being nice to look at, trees also play an important role in improving the quality of our lives. On a world-wide (2)_______, forests help to slow down the effects of global warming by using up the gas known as carbon dioxide and giving (3)_______ the oxygen we need to breathe. At local neighborhood level, trees also (4)_______ important environment benefits. They offer shade and shelter, which in (5)_______ reduces the  amount of energy needed to heat and cool nearby buildings; at the same time, they also remove other impurities from the air we breathe.

However, some graduates actually like the idea of (1) ______ a career in teaching English longterm, and there are numerous courses at various (2) _______ of teaching, from the fast-track TEFL to a diploma or masters. To find the right course a good place to start is TEFL.com - a website with lots of relevant information and helpful advice, including a comprehensive list of institutions in the UK offering TEFL courses.