流程图其实在剑桥很多课程中都是很基础的一种报告类型。而且有时候它更加死板，没有什么很大灵活度，所以我们更不用惶恐不安，趋之若骛。你可以把看你作文的考官当作一个盲人对待，你在跟他叙述一个事物的产生过程。只要把先后顺序理清，用词妥当，就会觉得它本身不难。
描述流程的文章，有一定的规律性叙述要点可以参照查看自己是否写到：
1. 首先说明是做什么工作的过程，目的是什么
2. 准备工作
3. 按时间/过程先后描述
4. 结果
5. 简单总结(可有可无)
描述一个实物/器具的工作过程，文章应分以下几点：
1. 实物是什么，做什么用的
2. 基本结构
3. 工作过程
4. 简单总结
描述过程，流程常用句子
the following diagraph shows the structure of……
the picture illustrates……
it mainly consists of……
it works as follows.
it always involves following steps.
the whole procedure can be divided into…stages
描述流程，过程的常用过渡性词语
firstly
secondly
thirdly/finally
the first step is to
the next step is to
the last step is to
the first stage involves
in the next stage
in the following stage
in the last stage
first of all
to begin with
next
then
later
at the same time
simultaneously
subsequently
consequently
before this
during
after this
in the course of
in order to/in order not to
in order that
so as to/so as not to
