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As shown in the first chart, oil was the world’s main energy source, accounting for 37% of the energy consumption in 2005.Followed by coal and natural gas, constituting 28% and 23% respectively.By comparison, the proportion of nuclear power was small, 6%, equating that of hydro-electricity.Saudi Arabia accounts for the largest proportion of the world’s oil reserves, 20%, well ahead of Canada, the country with the second biggest reserve, 14%.Behind Canada are four Middle East countries, namely Iran(10%), Iraq(9%), Kuwait(8%)and United Arab(8%).By contrast, the reserves of Venezuela, Ruia and the united states are relatively small, making up 6%, 5% and 2@ respectively.The remaining 18% is found in other countries.Pic

The three pie charts show how university students in three countries spent their money in the year 2003.In general, students in countries A spent slightly more than those in country B(US$5,000 and US$4,500 respectively).In comparison, student expenditure in country C was considerably lower, at only US$1,500 per year.Accommodation and food were the two biggest items of expenditure.Altogether they constituted around 60% of the total students’ expenditure in all the three countries.The difference is that in country A and B accommodation spending exceeded food spending while the reverse was true for country C.The rest of the students’ spending was divided among leisure, books and others.Leisure spending constituted a larger percentage(around 20%)of student expenditure in both country A and B, while in country C more money was spent on books(12%)than on leisure(12%).Overall, as wealth decreased, the percentage of students’ spending on non-eential items reduced.柱状图Bar

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This bar chart shows the changes in the amount of oil discovered worldwide every 5 years from 1950 to 2005 and the predicted figures from 2010 to 2020.In 1950, the world oil discovery stood at 20 billion barrels a year, which grew dramatically over the next 15 years to reach a peak at approximately 56 billion barrels in 1965.However, from this year onwards, the growth of oil discovery was suddenly replaced by a sharply downward trend, with some ups and downs, to approximately 6 billion barrels a year in 2005, about 1/10of its peak amount in 1965.It is predicted that 7 billion barrels of oil will be discovered worldwide in the year 2010, and this figure is forecast to decline steadily to an all-time low of only 3 billion barrels in 2020.In conclusion, this chart shows that world oil discovery peaked in the 1960s but has been declining for over 40 years, and this trend is expected to continue into the near future.The bar chat shows information about the areas of land damaged by human activities in four major continents of the world.The area of land damaged in Africa and Asia are similar, totalling approximately 1,200 million hectares for each, while in Australia and Europe the numbers are considerably lower, averaging between 300and 400 million.Looking at the causes behind land damages, it can be seen that in African, Europe and especially Australia, breeding is the leading cause of land lo, damaging approximately 500, 100 and 400 million hectares of land respectively.Next comes tree-cutting which takes away slightly larger areas of land than farming in all the three regions.Asia shows a slightly different picture, where tree-cutting activities have led to the largest amount of land lo(450 million hectares).Breeding and farming account for the remaining damage(380 and 420 million hectares respectively).Overall, breeding causes the most pervasive damage to land around the world.折线图 line

Overall, the world population rose sharply from le than 500 million in the 1400s to 6 billion in 2000, a growth of 12 times over 600 years.The increase was more dramatic after 1800 and only in the 1700s was there an obvious decline(1.2 billion to 0.9 billion).The ozone hole was at its smallest size of about 400 thousand square km in 1980, but 20 years later, it was enlarged by 9 times to 3.6 million square km.The only period when there was a reduction in size was in the early 1990s(from 2 to 1.2 million square km).流程图diagram

The diagram shows the stages in the proce of making chocolate.Chocolate comes from the cacao tree, which is grown in parts of south America, Africa and Indonesia.The tree produces large red pods which contain white cocoa beans.Firstly when the pods are ripe, they are harvested, the beans are removed and they are fermented for several days in large wooden boxes.During the fermenting proce, the beans turn brown.Next, the brown beans are spread in the sun to dry.They are then put in large sacks and transported by train or lorry.After this, the beans are taken to a chocolate factory where they are roasted in an oven at temperatures of between 250 and 350 degree Celsius.After being roasted, the beans are crushed and the outer shell is removed.This part is not needed for making chocolate.Finally, the inner part of the bean is preed and liquid chocolate is produced.(pic)

The chart describes how water is obtained outdoors.According to the figure, the first step of obtaining water outdoors is to find a hole with green plants on its bottom.Next, remove the green plants in the middle and put a container there.Then, cover the hole with a plastic sheet and place two stones on both ends of it to secure its position.A third stone is laid on the middle of the plastic sheet so that the middle part is also the lowest part.When the sun shines on the green plants in the hole, water evaporates from these plants.The vapour rises up and then cools down to form water drops on the plastic sheet.When there is more and more water, it flows along the sheet to accumulate on the lowest part.Finally, water falls down into the container directly under the middle stone.Thus, water is collected succefully through evaporation from green plants.Pic

In cool climate special attention is given to the use of building materials that have a high thermal ma.Insulation is used on the outside of heavy materials such as concrete, brick or adobe.This kind of material stores heat and slowly releases it while external insulation ensures that all heat absorbed by wall materials is released inside the building.Careful positioning of the building and large windows facing winter sunlight also aist to paively heat the house.The roof has an extreme angle to aist with snow runoff and roof overhang does not interfere with sunlight.Homes in warm climate require the opposite approach.Insulation and reflective roof material aim to keep heat from the sun out.Windows are placed under a wider roof overhang so that they are shaded form direct light in the day and so that cooler night air can move through the house when the windows are open.Map地图

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The three diagrams illustrate what the village of Kelsbey looked like in 1780, 1860, and 2000.In 1780, Kelsbey had only 100 homes, but it had a large expense of woods in the eastern part of the village and four plots of farmland in the middle.In the west there was a river running from north to south.The year 1860 saw a doubling of the number of homes but the size of farmland and woods was reduced by half.In the same year, a bridge could be seen over the river and a road was constructed linking the river to the residences.140 years later, the number of homes more than doubled to 500, but farms and woods completely disappeared.Several school buildings and sports facilities were constructed at the south-eastern corner of the village, which were connected with the residential area in the north by a newly-built road.Some shops opened up along the river bank and a large stretch of wetland for birds was established at the southern end of the river.大作文

Body paragraph A

It is first important to realise that art is the key part of cultural legacy;therefore, it is meaningful to conserve the art for the cultural diversity.For example, painting in different culture has a range of styles, genres, tools and materials.If we did not protect it, a form of art would be disappeared.Besides, some work of art such as graffiti, spark people’s imaginations and provide them a novel perspective to view the world.The arts can develop a culture which people pursue art as a hobby.Furthermore, arts also improved the environment attractive, which is reflected in architecture and gardening design.Body paragraph B

Although arts are very important, we observe public facilities should get more subsidy than arts from government.Citizens are more interested in the availability of public facilities, such as, water and electricity supply, schools, libraries and roads, these facilities have a direct impact on their daily lives.By contrast, for most people, sculptures, paintings or operas are luxury items, which cannot bring any tangible benefit to them.Another reason is that the arts can sometimes yield high returns and therefore succeed in receiving busine sponsorship.This is particularly the cause when arts include music, movies, operas and creative arts.Therefore, it is pointle to support the use of public funds for this purpose, if basic facilities are underfunded.