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2024届名校之约中考导向总复习模拟样卷 二轮(二)数学 考卷答案

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2024届名校之约中考导向总复习模拟样卷 二轮(二)数学试卷答案

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听下面5段对话,选出最佳选项,10.Whatgeneratedthewoman'sinterestinstudyinginEgypt?1.Whatdidthemanenjoyseeinginthemuseum?A.Itsrichhistory.B.TheEgyptianfood.A.Thecostumes.B.TheplantspeciesC.HerArabiccourseC.Thedinosaurbones.11.WhattimedidthewomangetupwhenshejustarrivedinEgypt?2.Whatisthemotherintheman'shostfamilylike?A.Atabout6am.B.Atabout7am.C.Atabout8amA.She'sfunny.B.She'sstrict.C.She'squiet.12.WhatdoesthewomanfindmostdifficultinlearningArabic?3.Wherewillthewomanandherparentsspendtheirholiday?A.Vocabulary.B.Pronumciation.C.Grammar.A.Inthedesert.B.Attheseaside.C.Inthecity.听第9段材料,回答第13至16题

4.Whatdoesthemanwantthewomantodo?A.Updateinformation.B.SearchtheInternet.13.WhodidthewomanstaywithinAmerica?C.Improvehiswebsite.A.Acouple.B.Afamilyoffive.C.Asingle-parentfamily.5.Whatarethespeakerstalkingabout?A.Watchingvideos.14.Whatdoesthewomansayaboutthehostfamily'shouse?B.Openinganaccount.A.Itwascrowded.B.Itwasbeautiful.C.ItwasbigC.Learningaboutacountry第二节(共15小题:每小题15分,满分22.5分】15.WhodidthewomanmissmostinAmerica?听下面5段对话或独白,速出最佳选项

A.Herdog.B.HerfriendsC.Herbrothers.听第6段材料,回答第6、7题

16.HowdoesthewomanfeelaboutmovingtoAmerica?6.Whatistheprobablerelationshipbetweenthespeakers?A.Surprised.B.Pleased.C.Annoyed.A.Workmates.B.Classmates.C.Flatmates.听第10段材料,回答第17至20题7.WhatdidthewomanthinkofmakingfriendsinSweden?17.Whatwasthespeaker'smainreasonforgoingtoSouthAfrica?A.ItwaseasyB.Itwasfrustrating.A.Tovisitrelatives.B.Totourthecountry.C.Itwastime-wasting.C.Towatchfootballmatches.听第7段材料,回答第8、9题18.Whatanimalsdidthespeakerlikebest?8.Howlongwasthewoman'sfirsttriptoChina?A.Elephants.B.Leopards.C.Lions.A.Aweek.B.Twoweeks.C.Threeweeks.19.Whatdidthespeakerstoptodoontheeastcoast?9.WhydidthewomandecidetoliveinShanghai?A.Goforadrive.B.Lieonthebeach.C.Watchwhales.A.Becauseoftheclimate.B.Becauseoftheeconomy.20.WhendidthespeakervisitSouthAfrica?C.BecauseofthelocationA.InJanuaryB.InMayC.InSeptember.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,选出最作选项

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分析由已知可得检查到次品的概率为:1-(1-0.04)n,令1-(1-0.04)n>0.95,解对数不等式,可得答案.

解答解:∵某产品的次品率为0.04,
选取n个,抽不到次品的概率为:(1-0.04)n
则检查到次品的概率为:1-(1-0.04)n
令1-(1-0.04)n>0.95,
则(1-0.04)n<0.05,
即0.96n<0.05,
解得:n>log0.960.05≈73.385,
故至少要选74个,
故答案为:74

点评本题考查的知识点是相互独立事件概率乘法公式,对立事件概率减法公式,对数不等式的解法,难度中档.

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