2018年2月10日雅思小作文范文：The graphs below show the size of the ozone hole over Antarctica and the product

2018年2月10日雅思小作文范文：The graphs below show the size of the ozone hole over Antarctica and   the production of three ozone-damaging gases from 1980 to 2000.

组合图如下：

雅思小作文范文：

The graphs demonstrate the change of ozone-hole size over Antarctica and the emission of three different ozone-harmful gases from the years between 1980 and 2000.

Based on the first graph, the 20 years witnessed a rapid expansion of zone-hole size .Specifically ,with just approximately 400 thousand square Km in the beginning , its size gradually expanded until 1990 when it almost quadrupled . The next decade still saw a steady and dramtic rise ,reaching almost 4000 thousand square Km ,although a slight drop of 1000 thouand square Km appeared from 1990 to 1993 .

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