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The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home. One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. 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. Drivers and their passengers then use a special bus service for the final stage of their journey. Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.
The invention of the mobile phone has undoubtedly revolutionized the way people communicate and influenced every aspect of our lives. The issue is whether this technological innovation has done more harm than good. In order to (1)______ the question, we must first turn to the type of consumer. Presumably, most parents buy mobile phones for their teenagers to track their whereabouts and ensure their safety. We can also assume that most teenagers want mobile phones to avoid missing out (2)______ social contact. In this context, the advantages are clear. However, we cannot deny the fact that text messages have been used by bullies to intimidate fellow students. There is also (3)______ evidence that texting has affected literacy skills. The ubiquitous use of the mobile phone has, (4)______ question, affected adult consumers, too. What employee, on the way home from work, would be reluctant to answer a call from their boss? Apparently, only 18% of us, according to a recent survey, are willing to switch off our mobile phones once we’ve left the office. Admittedly, mobile phones can be intrusive but there are obvious benefits to possessing one. Personally speaking, they are invaluable when it comes to making social or business arrangements at short (5)______. According to a recent survey, they also provide their owners with a sense of security in emergency situations. In conclusion, mobile phones do have their drawbacks, but these are outweighed by the benefits. I would argue that it is not the tool that chooses its purpose, but the user.
21 century teachers need to serve as a guide or mentor for their students, not as the all- knowing sage providing them with everything they need. Nowadays, with so much access (1)______ resources of all kinds, children invariably know more than teachers on different topics, step ahead of the technology. Teachers need to be empowered as facilitators for learning, so that they can empower their students in (2)______. This shift is great news for teachers. Instead of struggling to give kids all the information in areas (3)______ they know little about, teachers can support students as they make their own steps into different fields. It’s about preparing them to go beyond their seniors, ensuring they have the skills to do it, and assisting them along the way. (4)______, teachers need to be forward-thinking, curious and flexible. They must be learners: learning new teaching methods, and learning alongside their students. Simply asking questions like “What will my students need dozens of years from now?” or “How can I help give them those skills?” can change teachers' (5)______, make them a leader, and bring about changes in the classroom, school and community
British families started going on holiday to the seaside around the middle of the 19th century. The invention of the railways made this possible. The first holidaymakers were quite rich and went for their health and education. The seaside was a place to be (1)__________of illnesses, and doctors recommended bathing in the sea and drinking sea water. Also to increase their knowledge, families attended concerts and read books from libraries. At that time, ordinary working people had very little time (2)__________. However, in 1871, the government introduce four “Bank Holidays” – national holiday days. This allowed people to have a day or two out, which now and then gave them a taste for leisure and the seaside. At first they went on day-trips, taking (3)__________ of special cheap tickets on the railways. By the 1880s, rising incomes meant many ordinary workers and their families could have a week’s holiday at the seaside. Rail fares were reduced and cheap hotels were built to (4)__________ them. Holidaymakers enjoyed being idle, sitting on the beach, bathing in the sea, and eating ice-cream. Cheap entertainment was (5)__________ offer and holidaymakers went to have fun. Today, the English seaside remained popular, with more than 18 million holidays taken there each year.
A rainbow is an optical display of color that usually appears in the sky when a beam of sunlight refracts through millions of raindrops. Each (1)________ color from the spectrum is then sent to your eyes. For this to happen, the angle between the ray of light, the raindrop and the human eye must be between 40 and 42 degrees. After studying rainbows in (2)________, Sir Isaac Newton was able to explain how they are formed. However, he was color blind, so he had to rely on the eyes of his assistant, who could easily (3)________all the seven colors: red, orange, yellow, green, blue, indigo and violet. His assistant could also clearly tell the difference between indigo and violet. There are two types of rainbows. Primary rainbows are the most common and have the most distinctive colors, with red appearing on the outside of the arc and violet on the inside. Secondary rainbows are unusual because the light is reflected twice within the raindrop before it (4)________ a rainbow, so the colors are in reverse order and not as bright as primary rainbows. There is a popular myth that if you reach the end of a rainbow, you will find a pot of gold waiting for you. In fact, it is impossible to do this, because a rainbow has no end - as you go towards the point where the rainbow seems to touch the ground, it moves away from you as quickly as you (5)________.
Voluntary work is work that you do not get paid for and usually involves doing things to help other people, especially the elderly or the sick or working on (1)______ of a charity or similar organization. Most charitable organizations rely on unpaid volunteers, and thousands of Americans and British people give many hours of their time to doing some form of social work or organizing fund- raising events to support the work. Volunteering is especially popular in the US and the reasons this may be found in (2)______ American values such as the Protestant work ethic, the idea that work improves the person who does it, and the belief that people can change their condition if they try hard enough. In the US young people over 18 can take part in AmeriCorps,a government program that (3)______ them to work as volunteers for a period of time, with the promise of help in paying for their education later. Older Americans who do not work may spend much of their free time volunteering. In Britain a lot of voluntary work is directed towards supporting the country’s social services. The WRVS and other organizations run a meals on wheels service in many parts of Britain, provide hot meals for old people who are (4)______ to cook for themselves. The nationwide Citizens Advice Bureau, which offers free advice to the public on a wide range of issues, is run mainly by volunteers, and the Blood Transfusion Service relies on voluntary blood donors to give blood for use in hospitals. Political parties use volunteers at election time, and Churches depend on volunteers to (5)_______ building clean.
Conservation, sustainable use and protection of (1) _______ resources including plants, animals, mineral deposits, soils, clean (2) _______, clean air, and fossil fuels such as coal, petroleum, and natural gas. Natural (3) _______ are grouped into two categories, renewable and nonrenewable. A (4) _______ resource is one that may be replaced over time by natural processes, (5) _______ fish populations or natural vegetation, or is inexhaustible, such as solar energy.
These features were discovered and explored (1) _______ in the late 1940s. The Lomonosov Ridge, the major ridge, cuts the Arctic Basin (2) _______ in half, extending as a submarine bridge 1,800 km (1,100 mi) (3) _______ Siberia to the northwestern tip of Greenland. Parallel (4) _______ it are two shorter ridges: the Alpha Ridge on the North American (5) _______, defining the Canada and Makarov basins, (6) _______ the Arctic Mid-Ocean Ridge on the Eurasian side, (7) _______ the Nansen and Amundsen basins. The average (8) _______ of the Arctic Ocean is only 1,300 m (4,300 ft) (9) _______ the vast shallow expanses on the continental shelves. The deepest (10) _______ in the Arctic Ocean is 5,450 m (17,880 ft).