It is obvious in the graph that the rate of A has
undergone dramatic changes. It has gone up/dropped
considerably in recent years.At the point of X, A reaches
its peak value of ….
What is the reason for this change? Mainly there are
some reasons behind the situation reflected in the graph.
First of all, …. More importantly, …. Most important of all, …. From the above discussions, we are reasonable to predict
what will happen in the near future. The trend described inthe graph will continue for quite a long time ,if necessarymeasures are not taken.