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时间:2019-10-19
《专题19书面表达之概要写作-2017年高考英语冲刺专题卷》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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
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