2018届山东省枣庄市第三中学高三一调模拟考试英语试题【含解析】

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1、2018届山东省枣庄市第三中学咼三一调模拟考试英语注意事项：1.答题前，先将自己的姓名、准考证号填写在试题卷和答题卡上，并将准考证号条形码粘贴在答题卡上的指定位置。2.选择题的作答：每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。3.非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。4.考试结束后，请将本试题卷和答题卡一并上交。第I卷《选择题》一、阅读理解ACrimefighterscouldhaveanewtoolathand.

2、Researcherhavedevelopedacutting-edgetechniquetoidentifyhumanhair.TheirtestisquickerthanDNAanalysistechniquescurrentlyusedbylawenforcement.DNAtestingiscommonlyusedforidentificationbecauseDNAisuniquetoeachindividual（个彳本）.However,environmentandchemicalprocessescandegradeDNA,limi

3、tingitsusefulnessovertime.Pimein（蛋白质）inhair,ontheotherhand,ismorestablethanDNAbutcanalsohavevarialions（变异体）thatmaybeuniquetobetheindividual."Ouranalysisprocesscanbeuseduniversally/'saysMs・Huang・"Oneofoursamples（样本）evenincludeddyedhairandthetestwas100percentaccurate・Thetestwas

4、abletodistinguishEastAsians,CaucasiansandSouthAsians.”Dr.Beaucheminsaysshehasgotintouchwithlawenforcementagenciesaboutusingthenewtechnology・Sheisalsoplanningtocollectmorehairsamplesandcontinueherresearchwithagoaloffindingwhereexactlyintheworldthehairsampleisform,tolookformore

5、racesanddeterminespecificage."Weareinaverysimilarplacewithprotein-basedidentificationtowhereDNAtestingwasduringtheearlydaysofitsdevelopment/'saidchemistBradHartlThismethodwillbeagame-changer,andwhilewe'vemadealotofprogresstowardimprovingit,therearestepstogobeforethisnewtechni

6、queisabletoreachitsfullpotential?"1•Whafsthemainpuiposeofthetext?A.Toanalyzecrimescenes.B.Todistinguishdifferentraces・C・ToshowtheusefulnessofDNAtesting.D・Tointroduceanewidentificationmethod・2.WhichwillbethemostusefulinidentifyingapersonaccordingtoBradHart?A.Chemicalmaterials.

7、B・proteininhair.C.DNAvariations.D.Bloodsample・3・What'stheadvantageoftheprotein-basedidentificationoverDNAtesting?A.Stability-B.Popularity.C・Security,D・Convenience・4.Whatcanbeinferredfromthelastparagraphofthetest?A.DNAtestingwillsoonreachitsfullpotential.B・Protein-basedidentif

8、icationremainstobeimproved・C・Protein-basedidentificationhasreplacedD