一、课程介绍：
1、基础阶段
动态趋势
静态分布
位置描述
过程描述
2、强化阶段
二、大小作文
1、各占分值
3'+6'=9'
20 min +40 min=60 min
字数限制：
150 以上（180）
250以上（280以上）
铅笔手写
2、任务对比
task 1 客观描述能力
图表：graph
diagram
chart
task 2 主观论述能力
3、基础阶段
图表类型
line chart =linear graph =curves
pie chart (比例描述)
bar chart =columns
table
process program =flow chart
map=layout (布局图)
三、分类图形
1、线饼柱表（数据类）
1）动态图——趋势
2）静态图（柱饼表）——排列、分布、比较
2、流程图、地图（非数据）
step 1确定数据性质和单位
the number of(可数)
the amount of sth (不可数)
the quantity of sth (都可以)
figure for (可数/不可数)
比例：percentage， proportion
本来就有量的意思：sales, consumption，population
step 2 时态问题
根据表展现的时间
估计——be expected to, be predicted to, be projected to, be forecasted to, be estimated to, be anticipated to.
three steps
确定变量+趋势+数据+时间
*7大句型
句型1：变量+趋势动词+数据+（地点）+时间
句型2：变量+有/展示/经历/见证+趋势名词+数据+地点+时间
have/show/experience/see an increase / decrease
句型3：趋势名词+occur in /take place in +变量+数据+地点+时间
句型4：趋势名词+can/could/ be seen /noticed /found /observed in +变量+数据+地点+时间
句型5 : there be an increase/ decrease in +变量+数据+（地点）
句型6 :时间+见证（see/ witness）+趋势名词+in/of +变量+数据+（地点）
句型7 : 地点+见证/经历/面临+趋势名词+in/of +变量+数据+时间
上升：increase, rise-rose-risen, grow-grew-grown, go up / an upward trend,
补充： climb up/escalate/hike/expand /drift upwards.
大幅度：rapidly/substantially/significantly
稳定：gradually, moderately, marginally, steadily, smoothly ,continuously/subtly (微妙地)
自带大幅度:soar, surge ,spike
下降：fall,drop,decrease , decline, go down,an downward trend,
climb down, dive, drift downward
急降：plummet, plunge, crash
..., reaching
..., and it arrived at
..., which amounted to
平稳： be/remain +unchanged/constant +at
hold steady
keep stable /flat at
flatten at
level off at
stagnation(消极), no change, little change
波动：fluctuate between and , vary, go up and down,
+around at 平均值+（at the walk of）
some fluctuation
波动型上升：spiral up to/ spiral down to
there was a flexible rise of the number by 3% last year
It saw an overall rise but it was not always stable.
Despite fluctuation, it had an upward trend.
表衔接：thereafter （副词）
afterwards 一般后置
from ... onawards = from ... on
Following ...
...,followed by
After...
..., before
用before注意时态
there is a...-year period, during which ...
This is followed by a period, during which ...+句子
四、注意的点
1、起点、终点
2、极值
the ,lowest highest point/position/level
a peak /summit
a bottom/ valley
a record high/low
3、拐点
作业：基础练习册P3-P5