高考英语专题冲刺专题19书面表达之概要写作含解析

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1、为深入贯彻落实党的十九大精神和习近平总书记的重要指示精神，保障人民安居乐业、社会安定有序、国家长治久安、进一步巩固党的执政基础，束城镇深入贯彻全市扫黑除恶会议精神，强化措施，深入扎实开展扫黑除恶专项斗争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.Thegoodnewsisnotal

2、lresearchersthinkthebearsareabsolutelydisappearing.ScientistsattheAmericanMuseumofNaturalHistory(AMNH)havepublishedanewpaperindicatingthatthingsmightnotbeasbadforpolarbearsassomescientistsexpect.Tounderstandthereasonfortheresearchers’cautiousoptimism,wemustfirstunderstandthefactorsthatarethreatening

3、thepolarbear’sexistence.Polarbearsconsumeadietofmainlyyoungseals.Inordertohunttheseseals,polarbearsneedtorestatthetopofseaice---thesameicethatisincreasinglymeltingformostoftheyearthankstoclimatechange.Inanother50years,expertsexpectthattheArcticwillbetoowarmforseaicetoformforhalfoftheyear,leavingpola

4、rbearswithoutareliablefoodsourceandinseriousdangerofstarvation.Asitturnsout,alternativefoodsourcesforthepolarbearsaren’tcompletelyoutofthequestion.Foraslongasbiologistshavetailedaftertheanimals,they’veseenpolarbearseatinganimalsfoundonlandlikecaribou(驯鹿)andsnowgeese---aswellasthesnowgeese’seggs.Canp

5、olarbearsactuallysurviveoffthesealternativefoodsourcesforlongperiodsoftime?Tofigurethisout,researcherscalculatedthenutrientsthatacaribouandsnowgeesedietwouldprovide.Theyfoundthatevenadultmalepolarbearswouldbeabletoobtainmorecaloriesthantheywouldburninhuntingthesemeals.Moreover,thefoodwouldprovidethe

6、foodnecessarytoavoidstarvationduringthesummermonths.Unfortunately,notallpolarbearshavetendedtoseekfoodonland.Thatsaid,theresearchersexpectthatnecessitywouldpushmorepolarbearstohuntonlandtoavoidstarvation.Theyalsoexpectthatthebearscouldlearnfromtheirfellowbearshowtohuntonlanduntilthepracticebecomesse

7、condnature.________________________________________________________________________________为充分发动群众积极参与到扫黑除恶工作中来，束城镇通过由包片班子成员、包村干部、村书记召开各村群众大会广泛宣传动员、公布全镇扫黑除恶举报电话、邮箱和纪委举报等方式，增强人民群众通黑恶势力做斗争的决心，在全镇范围内营造了全