上外版 (2020)选择性必修第二册Writing精品备课ppt课件

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Writing an expsitry essayn a natural disaster
写一篇关于自然灾害的说明性文章
An expsitry is a style used t explain, describe, prvide infrmatin r infrm the public. The article shuld be rganized arund a theme and based n ne r mre mdes. Such articles shuld avid the use f the first persn as much as pssible, because the style shuld nt reflect the authr’s persnal views, but ensure the scientific cntent.
An expsitry
The rganizatin structure and explanatin methds f the expsitry articles are varius, such as cmpare and cntrast, cause and effect, etc.
It reveals the facts f a subject. It links infrmatin abut situatins, peple, cncepts r phenmena with readers and explains sme infrmatin abut them.The purpse f expsitry is t let readers knw smething, s it depends n facts rather than persnal pinins.
Many types f writing yu encunter in daily life are expsitry. This includes articles fund in newspapers, magazines, scial media websites and lists, as well as scientific papers, textbks and many ther things.
It’s the mst cmmn frm f writing in the wrld, because it includes everything frm cnveying infrmatin abut yur day t explaining wrk items.
When writing an expsitry article, make sure yu use facts and lgic, nt persnal pinins r subjective truth. Explanatry articles can be defined as “a type f writing aimed at revealing facts abut a certain tpic”, which means that readers can expect t present reliable infrmatin abut the tpic in a lgical way.
Infrmative: Prviding infrmatin abut a tpic. Clear: Using wrds that clearly shw the pint. Objective: Aviding giving the authr’s persnal pinins r cmments.
There is a disaster educatin week in yur high schl. Participants in every class are required t write an essay t intrduce a certain natural disaster in English t raise students’ awareness f natural disasters.
An avalanche (als called a snwslide) is a rapid dwnward flw f snw ver a steep slpe that ccurs when a chesive slab f snw lying upn a weaker layer f snw fractures and slides dwn a steep slpe.
IntrductinDefinitin
Avalanches are typically triggered in a starting zne frm a mechanical failure in the snwpack when the frces f the snw exceed its strength. They can als be triggered by ther cnditins such as human r bilgically related activities, r even a lud whistle.
Supprting Details 1:Causes
In muntainus terrain, avalanches are the mst serius natural hazards t life and prperty, with their destructive capability resulting frm their ptential t carry enrmus masses f snw at high speeds. A whle village and a lt f peple may be buried in an instant under deep snw.
Supprting Details 2:Harmful Effects
Peple caught in avalanches can die frm suffcatin r trauma. On average, 28 peple die in avalanches every winter in the United States. Glbally, an average f ver 150 peple die each year frm avalanches.
Supprting Details 3:Casulty facts
Preventative measures are emplyed in areas where avalanches pse a significant threat t peple, such as ski resrts, muntain twns, rads, and railways.
Supprting Details5:Pssible lcatins
In rder t keep safe while yu are enjying yur skiing, please nly g t frmal ski resrts and ski in designated places. And yu can als carry a flashlight with yu in case yu are buried in snw. The light may help the rescuers find yu mre quickly at night.
Cnclusin Actin t take