雅思作文线状图【篇一:雅思小作文——线形图(line graphs)】智课网ielts备考资料雅思小作文——线形图(line graphs)摘要:线形图是雅思写作task 1 里常考的图形之一,其写作非常值得我们深入研究。
现专供以下学习材料,希望能对各位“雅友”的线形图写作带去一些启发和帮助。
线形图是雅思写作task 1 里常考的图形之一,其写作非常值得我们深入研究。
现专供以下学习材料,希望能对各位“雅友”的线形图写作带去一些启发和帮助。
line graphsline graphs are more popular than all other graphs combined because their visual characteristics reveal data trends clearly and these graphs are easy to create. line graphs, especially useful in the fields of statistics and science, are one of the most common tools used to present data.a line graph is a visual comparison of how two variables—shown on the x- and y-axes—are related or vary with each other. it shows related information by drawing a continuous line between all the points on a grid. for information on the shapes of line graphs, see the organizing data chapter.line graphs compare two variables: one is plotted along the x-axis (horizontal) and the other along the y-axis(vertical). the y-axis in a line graph usually indicates quantity (e.g., dollars, litres) or percentage, while the horizontal x-axis often measures units of time. as a result, the line graph is often viewed as a time series graph. for example, if you wanted to graph the height of a baseball pitch over time, you could measure the time variable along the x-axis, and the height along the y-axis.although they do not present specific data as well as tables do, line graphs are able to show relationships more clearly than tables do. line graphs can also depict multiple series which are usually the best candidate for time series data and frequency distribution.e graphs share a similar purpose. the column graph, however, reveals a change in magnitude, whereas the line graph is used to show a change in direction.in summary, line graphsshow specific values of data wellreveal trends and relationships between datacompare trends in different groups of a variablegraphs can give a distorted image of the data. if inconsistent scales on the axes of a line graph force data to appear in a certain way, then a graph can even reveal a trend that is entirely different from the one intended. this means that the intervals between adjacent points along the axis may be dissimilar, or that the same data charted in two graphs using different scales will appear different.example 1 – plotting a trend over timefigure 1 shows one obvious trend, the fluctuation in the labour force from january to july. the number of students at andrews high school who are members of the labour force is scaled using intervals on the y-axis, while the time variable is plotted on the x-axis.the number of students participating in the labour force was 252 in january, 252 in february, 255 in march, 256 in april, 282 in may, 290 in june and 319 in july. when examined further, the graph indicates that the labour forceparticipation of these students was at a plateau for the first four months covered by the graph (january to april), and for the next three months (may to july) the number increased steadily. figure 1. labour force participation in andrews high schoolexample 2 – comparing two related variablesfigure 2 is a single line graph comparing two items; in this instance, time is not a factor. the graph compares thenumber of dollars donated by the age of the donors. according to the trend in the graph, the older the donor, the more money he or she donates. the 17-year-old donors donate, on average, $84. for the 19-year-olds, the average donation increased by $26 to make the average donation of that age group $110.figure 2. average number of dollars donated at evergreen high school, by age of donorexample 3 – using correct scalewhen drawing a line, it is important that you use the correct scale. otherwise, the lines shape can give readers the wrong impression about the data. compare figure 3 with figure 4:figure 3. number of guilty crime offenders, grishamvillefigure 4. number of guilty crime offenders, grishamvilleusing a scale of 350 to 430 (figure 3) focuses on a small range of values. it does not accurately depict the trend in guilty crime offenders between january and may since it exaggerates that trend and does not relate it to the bigger picture. however, choosing a scale of 0 to 450 (figure 4) better displays how small the decline in the number of guilty crime offenders really was.example 4 – multiple line graphsa multiple line graph can effectively compare similar items over the same period of time (figure 5).figure 5. cell phone use in anytowne, 1996 to 2002figure 5 is an example of a very good graph. the message is clearly stated in the title, and each of the line graphs is properly labelled. it is easy to see from this graph that the total cell phone use has been rising steadily since 1996,except for a two-year period (1999 and 2000) where the numbers drop slightly. the pattern of use for women and men seems to be quite similar with very small discrepancies between them.相关字搜索:雅思【篇二:线状图】如何写好开头段1表示展示,显示的单词归纳1. show. to make sth. clear; to prove sth.证明,表明v. to say what sb./sth. is like 描写,描绘;叙述揭示;揭露;暴露;泄露4. display v. /displei/ to show signs of sth., especially a quality or feeling 显示;表现;显露5. illustrate v. to use pictures, photographs, diagrams, etc. ina book, etc. (用图、实例等)说明,阐明6.demonstrate v. to show sth. clearly by giving proof or evidence 显示,表露to show sb./sth., especially in a picture 展示;描述8. indicatev. to show that sth. is true or exists 表明;象征;暗示9.unfold v. to be gradually made known; to gradually make sth. known to other people显露,表露;呈现10. exhibit v. to show signs of sth?especially a quality or feeling 表尔,显出11. depict v. to show or represent sth. in a work of art such asa drawing or painting描绘,描画;描述12. outline 描绘以上动词在语义都接近,但需注意:它们后面所跟的宾语不同总结起来就是而担其它的一般只接名词宾语!对...进行分析the table gives a breakdown of different types of family who were living in poverty in australia in 2009.提供关于...的信息the chart gives information about post-school qualifications in terms of different levels of further education reached by men and women in australia in 2009.比较the charts compare the sources of electricity in australia and france in the years 1980....a glance at the graph provided reveals some striking similarities between chinese and us birth rates during the period 1920-2000.....5.given are two graphs concerning criminality in britain.其它替换词★number 丨nambs/数字★figure 丨figa/数字★percentage百分率,百分比the percentage of aged couples who lived in poverty in australia in 1999 was 4%. ★proportion 比例,比率this bar chart indicates the proportion of medical complaints of patients visiting therapists in australia in 2012.★rate 比例,比率;率the bar chart reveals different rates of post-school qualifications in australia in 2010. ★amount. /smaunt/数量,数额(一般与不可数名词连用)theres been a great amount of research into the subject.强化练习到尼泊尔的游客来自何处)in march 2010.有多少降雨)over a year,.(3) the chart gives 混合型汽车在全球的销售)between 2006 and 2009.不同交通方式)used by overseas visitors to travel in new zealand.少图书馆的书.) over this four-year period.售) in japan, the us and the rest of the world from 2006 to 2009.2.时间的连接词练习(二选一)1.the number of students who took spanish was 150 in/on 2010.2.according to the data, mandarin decreased during/at that period.3.since/from 2000, the trends have changed greatly.4.the chart shows the number of people going abroadfrom/between 2000 and 2010.5.in general, all the figures steadily increased over/from 1911 to 2011 .6.during the period 1980 and/to 1990, there was a gradual decrease.7.i have been learning japanese for/in two years now.8.the chart shows changes in irish school eollment figures over/at a 20-year period.9.on/in may 4,2012,in plain sight concluded its fifth and final season.10.the 12th china beijing international high-tech expo will be held in/on may.11.the number started a long decline from 1930onwards/afterwards.12.the period 1250 to/and 1350 is a period of religious and secular literature in english.13.the charts indicate how much a uk school spent on different costs in/for four separate years: 1981,1991,2001 and 2011.表示连续的时间段2. during the same period3. in the no. years spanning from 19xx through 19xx4. from then on= from this time onwards= in the subsequent years.句子翻译练习1.以上的线状图表明了在英国冬季和夏季的一天中用电的需求量。