仿写是提高写作的有效方法。范文的结构、用词都可以是模仿的对象。 下面是一篇描写图表的小作文范例。 请模仿起结构和用词。
先来阅读范文：
生词预习： magnitude /ˈmæɡnɪtjuːd/ n. 震级强度
Average
A total of 1758 earthquakeswith a magnitude of four or above have struck within 186 mi (300 km) of The United States in the past 10 years. This comes down to a yearly average of 175 earthquakes per year, or 14 per month. On average an earthquake will hit near The United States roughly every 2 days.
A relatively large number of
earthquakes occurred near The United States in 2018. A total of 244
earthquakes (mag 4+) were detected within 186 mi （mi= miles）of The United States that year. The strongest had a 7.1 magnitude.
Magnitude Distribution
The table belowvisualizes the distribution of all earthquakes that occurred within 300km ofThe United States in the past 10 years. No earthquakes with a magnitude of 8 orabove have occurred near The United States during this time. Usually, highermagnitudes are less common than lower magnitudes. Small earthquakes with amagnitude below 4 on the Richter scale have been omitted from this overview.
1 首先请注意时态 （斜体）
2 好词好句（加黑）
Average
A total of 1758 earthquakes with a magnitude of four or abovehave struckwithin 186 mi (300 km) ofThe United States in the past 10 years.This comesdown to a yearly average of175 earthquakes peryear, or 14 per month. On averageanearthquakewillhit near The United Statesroughlyevery 2 days.
A relatively large number of earthquakesoccurred near The United Statesin 2018.A total of244earthquakes (mag 4+)were detectedwithin 186 mi（mi= miles）of The United States that year. The strongesthad a 7.1 magnitude.
Magnitude Distribution
The table belowvisualizesthedistribution of all earthquakes thatoccurredwithin 300km of The United States in the past 10 years. No earthquakes witha magnitude of 8 or abovehave occurrednear The United States during this time. Usually, higher magnitudes are lesscommon than lower magnitudes. Small earthquakes with a magnitude below 4 on theRichter scalehave been omittedfromthisoverview.
练习：Describe the chart and table onearthquakes in the USA. You should write at least 150 words. Time limit: 30minutes.
根据图表描述美国地震情况。 字数要求 150字起， 时间限制：30分钟。
