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课件网) Unit 4 Disaster Survival Writing an expository essay on a natural disaster 写一篇关于自然灾害的说明性文章 An expository is a style used to explain, describe, provide information or inform the public. The article should be organized around a theme and based on one or more modes. Such articles should avoid the use of the first person as much as possible, because the style should not reflect the author’s personal views, but ensure the scientific content. An expository The organization structure and explanation methods of the expository articles are various, such as compare and contrast, cause and effect, etc. It reveals the facts of a subject. It links information about situations, people, concepts or phenomena with readers and explains some information about them. The purpose of expository is to let readers know something, so it depends on facts rather than personal opinions. An expository Many types of writing you encounter in daily life are expository. This includes articles found in newspapers, magazines, social media websites and lists, as well as scientific papers, textbooks and many other things. An expository It’s the most common form of writing in the world, because it includes everything from conveying information about your day to explaining work items. When writing an expository article, make sure you use facts and logic, not personal opinions or subjective truth. Explanatory articles can be defined as “a type of writing aimed at revealing facts about a certain topic”, which means that readers can expect to present reliable information about the topic in a logical way. An expository Informative: Providing information about a topic. Clear: Using words that clearly show the point. Objective: Avoiding giving the author’s personal opinions or comments. Features There is a disaster education week in your high school. Participants in every class are required to write an essay to introduce a certain natural disaster in English to raise students’ awareness of natural disasters. An avalanche (also called a snowslide) is a rapid downward flow of snow over a steep slope that occurs when a cohesive slab of snow lying upon a weaker layer of snow fractures and slides down a steep slope. Introduction Definition Sample Avalanches are typically triggered in a starting zone from a mechanical failure in the snowpack when the forces of the snow exceed its strength. They can also be triggered by other conditions such as human or biologically related activities, or even a loud whistle. Sample Supporting Details 1: Causes In mountainous terrain, avalanches are the most serious natural hazards to life and property, with their destructive capability resulting from their potential to carry enormous masses of snow at high speeds. A whole village and a lot of people may be buried in an instant under deep snow. Sample Supporting Details 2: Harmful Effects People caught in avalanches can die from ... ...
