开头：
1.The accompanying bar chart shows…(题中两幅图，用于引入对第二幅的描述)
2.It is clear from the line graph above that the price of steel per ton has plummeted(v．快速下落)somewhat over the last ten to fifteen years and that the value of steel today has reached an all-time low．(开头描述总体趋势)
3.The two bar graphs above reflect growth rates in urban populations from five major cities around the world in 1990 and in 2004.It is evident when comparing these graphs that significant increases in urban population have indeed occurred．(用于对同一事物描述的不同时间的两幅图题的总体说明)
4.It is clearly evident from the pie charts above that firework accidents in Australia were recorded as having occurred in the same places both in 1995 and in 2000 at public display, family parties，pub celebrations, and in the case where teenagers were playing with fire works unattended．(交代具体分类)
5.This line graph shows some very interesting trends related to changes in international student enrollment in UK higher education.The three groups which are reflected in this graph are others EU students，non-EU students，and all oversea students．(说明三组数据形成的三条线所表示成分)
6.Through the information that is provided in this table we can learn how different occupation rate in terms of stress levels on a 0-10 measurement scale:10 being the highest level of stress．(对数据的详细描述)
7.By briefly glancing at this line graph，it is apparent that there were major shifts in employment patterns in South Korea between the years 1960 and 2000.
8.The bar chart above shows the number of crown court cases held in the UK from 1996 to 2002. According to the information in the graph，crown court cases typically fall into the following three categories: committals for trail，committals for sentence and appeals from magistrates against conviction or sentence．(细述分类)
中间：
1.增加：
1)动词型：
A.have rocketed over the fifteen-year period．
B.rise dramatically from around 45% to approximately 65%．
C.shot(shoot)up to(高达)between four and five hundred dollars(shoot up from …to…)．
D.Students from 80,000 and goes all the way up to 280,000．
E.At this point, non-EU student numbers from Europe and all other overseas counties started to climb in numbers from 120000 to 190000 in 2002-2003 in the case of non-EU student and from 240000 to 280000 in 2002-2003 in the case of all overseas students．(并列结构同时描述两个增加情况)
F.The IT industry was slower to take off and made up only 15% of employment in 1980.However, there was no looking back from 1980 onwards with dramatic increase in1990 at 40% and 60% in 2000．(一个很剧烈的变化)
2)名词型：
A.indeed，a staggering 65% increase in the total number of students enrolled in courses for higher learning has been recorded between the years 1990 and 2004．
B.a slow and steady increase．
C.from that moment on，significant jumps averaged at 10% between the year 1996 to 1998 and to 2004 respectively．
D.a slight increase in student number from 65% to fewer than 70%．
E.steady gains．
F.The most staggering jump in Australia was with mobile between the years 2001 and 2003, which rose significantly from 69 to 97%．(描述显著趋势)
G.Their sales picked up suddenly between 2001 and 2003 from 28 to 42%．
