支招小作文（120） | 線圖 臭氧水平變化

The graph below shows the level of the ozone (microgram) in four different years during a particular day from 0 to 21 o’clock.

數(shù)據(jù)圖：【線圖】

主要關(guān)注【變化】+不能忽視【對比】

【首段】簡述圖表大致內(nèi)容

Shown in the graph is the changing level of the ozone from 0 to 21 o’clock on a specific day. Four separate years, 1982, 1992, 2002 and 2012, are investigated. 

首句[倒裝]，動詞使用細(xì)節(jié)[主謂一致]

句子主語【同位語成分】

【主體段1】首先，描述變化相對較大的兩條線-1982 & 1992

Enormous changes could be found in 1982 and 1992. To specify, both two years witnessed a growing trend before 6 o’clock, with the level rising to 200 micrograms and 270 micrograms respectively. Afterwards, although there was an opposite trend, they had both dropped to the original level by 21 o’clock. 

程度修飾詞的使用

獨(dú)立主格結(jié)構(gòu)的使用

【主體段2】然后，關(guān)注到變化程度相對小一些的兩條線-2002 & 2012

By contrast, in 2002 and 2012, both ozone levels were within a narrow range. Before 12 o’clock, an enormously different situation was found in these two years, whose levels ranged from 200 micrograms to 225 micrograms and from 175 micrograms to 200 micrograms respectively. Then, both figures stabilized until 21 o’clock, when the gap between them maintained the initial level.

段落之間的銜接詞

程度修飾詞

描述趨勢的動詞

定語從句

【結(jié)尾】

To sum up, this day saw varying changes in the ozone level in the four separate years.

varying adj. 不同的