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时间:2019-03-01
《山东省实验中学2018届高三上学期第二次诊断考试英语---精校Word版含答案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、山东省实验中学2015级高三第二次诊断性考试英语试题(考试时间:120分钟试卷满分:150分)注意事项:1.本试卷由四个部分组成。其中,第一、二部分和第三部分的第一节为选择题。第三部分的第二节和第四部分为非选择题。2.答卷前,考生务必将自己的姓名、准考证号填写在答题卡上。3.回答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑;回答非选择题时,将答案写在答题卡上,写在本试卷上无效。4.考试结束后,将本试卷和答题卡一并交回。第一部分听力(共两节,满分30分)第一节(共5小题;每小题1.5分,满
2、分7.5分)听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。第一节(共5小题;每小题1.5分,满分7.5分)第二部分阅读理解(共两节,满分40分)第一节(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。AYou’reswallowingafruitsaladandeverything’sfine.
3、Thensuddenlyyourtonguefeelsitchy.Thecornersofyourmouthstarttosting.Beforeyouknowit,yourentiremouthfeelsburntandirritated.What’sgoingon?Istherepineappleorkiwifruitinthatsalad?Theybothcontainspecificenzymes(生化酶)calledbromelain(sourcedfrompineapple)andactinidain
4、(foundinkiwis,aswellasmangos,papayasandbananasinloweramounts)thatbreakdownproteins,includingtheonesinyourmouth.Literally,ifyoueatpineappleorkiwifruit,theenzymeswilleatthesurfaceofyourtongueinreturn.Wow,isn’tthatdangerousformytongue?!Bromelainandactinidainares
5、opotentthattheyareactuallyusedcommerciallytotenderizemeat.But,usually,theenzymesarenotharmfultohumans.It’simportant,however,tobeawareofthedifferencebetweenanormalreactionandanallergicone.Theactinidaininkiwis,inparticular,isacommonallergen,soifyouexperienceswe
6、lling,rashes,vomitingorunusualpain,seeadoctor!Butitisstrangethatcannedpineappledoesn’thurtmymouthatall.Well,that’sbecauseinthecanningprocess,thepineappleisheateduptokillanybacteria(andenzymes).Butthecannedstuffisoftenfullofpreservativesandaddedsugar.Wedefinit
7、elyrecommendfleshpineapple,insmallamounts,pairedwithnutritiousdeliciousdisheslikeabeefburger.It’llminimizetheitch!21.ActinidaincanbefoundinvariousfruitsEXCEPT_________.A.pineappleB.kiwiC.mangoD.banana22.Enzymescan___________________.A.breakdownourtonguesB.bet
8、otallyharmlessC.makeourtonguestenderD.makesomepeoplevomit23.Whydidtheauthorpreferfreshpineappletocannedpineapple?A.Becausefleshpineapplecanminimizetheitch.B.Becauseenzymesinfreshpineapple
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