专题19书面表达之概要写作-2017年高考英语冲刺专题卷

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1、专题卷十九书面表达之概要写作1.概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。Withglobalwarmingandmeltingice,itisn'teasybeingapolarbearanymore・Somestudieshavepredictedthatpolarbearscoulddieoutbytheendofthecentury.Thegoodnewsisnotallresearchersthinkthebearsareabsolutelydisappearing・Sc

2、ientistsattheAmericanMuseumofNaturalHistory（AMNH）havepublishedanewpaperindicatingthatthingsmightnotbeasbadforpolarbearsassomescientistsexpect.Tounderstandthereasonfortheresearcherscautiousoptimism,wemustfirstunderstandthefactorsthatarethreateningthepol

3、arbeardsexistence・Polarbearsconsumeadietofmainlyyoungseals・Inordertohunttheseseals,polarbearsneedtorestatthetopofseaice—thesameicethatisincreasinglymeltingformostoftheyearthankstoclimatechange・Inanother50years,expertsexpectthattheArcticwillbetoowarmfor

4、seaicetoformforhalfoftheyear,leavingpolarbearswithoutareliablefoodsourceandinseriousdangerofstarvation.Asitturnsout,alternativefoodsourcesforthepolarbearsaren5tcompletelyoutofthequestion.Foraslongasbiologistshavetailedaftertheanimals,they^veseenpolarbe

5、arseatinganimalsfoundonlandlikecaribou（驯I鹿）andsnowgeese—aswellasthesnowgeese'seggs・Canpolarbearsactuallysurviveoffthesealternativefoodsourcesforlongperiodsoftime?Tofigurethisout,researcherscalculatedthenutrientsthatacaribouandsnowgeesedietwouldprovide.

6、Theyfoundthatevenadultmalepolarbearswouldbeabletoobtainmorecaloriesthantheywouldburninhuntingthesemeals.Moreover,thefoodwouldprovidethefoodnecessarytoavoidstarvationduringthesummermonths.Unfortunately,notallpolarbearshavetendedtoseekfoodonland・Thatsaid

7、,theresearchersexpectthatnecessitywouldpushmorepolarbearstohuntonlandtoavoidstarvation.Theyalsoexpectthatthebearscouldlearnfromtheirfellowbearshowtohuntonlanduntilthepracticebecomessecondnature・2.概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。Inasmallvillage,theparents

8、ofalittleboywereverydepressedduetohisbadtemper（脾气）.Theboyusedtogetangryveryeasilyandhurtotherswithhiswords.Whileheforgotwhathespokeinanger,hisfriendsandneighboursavoidedhim.Hismotherandfathertriedmanywaystomakehimgiveuphisangeranddevelo