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天一大联考 2023-2024学年安徽高一(下)期末质量检测试题(数学)试卷答案
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othertypesofexercisewouldhavethesameeffectasrunning,althoughtheresearcherssaytheysuspectthatifanactivitycausessomeonetobreakintoasweat,itshouldalsoincreasebloodsugarandlactate,feedingthebrainandweakeninghunger'scall.5.Whatdowelearnfromthefirstparagraph?A.Weeatformorephysicalmovements.B.Abusybraincanmakeonehungry.C.Energyfromthebraincan'tbeusedup.D.Anexamresultsincaloricconsumptionmost6.Whatcanaphysicalmovementdo?A.Increasebloodflow.B.Increasetheamountofbloodsugar.C.Urgeonetoeatmore.D.Makethebraintired.7.Whatdoestheunderlinedphrase"gorgeon"inparagraph5mean?A.Eat.B.Purchase.C.Taste.D.Obtain.8.Whatdotheresearcherswanttoknowfromthestudy?A.Whetherbrainusessugarandlactateasfuel.B.Whetherbraincanbetiredduringexercise.C.Whetherexercisecanreduceeatingdesire.D.Whetherexerciseincreasesbloodsugar.【语篇导读】本文是一篇说明文
研究人员猜测，过多的思考会消耗大脑的大量能量，进而导致身体饥饿
由于大脑使用糖和乳酸盐作为燃料，研究人员想知道，在运动过程中增加的富含燃料的血液流量，是否能让疲惫的大脑得到补充，并减少暴饮暴食的冲动
5B细节理解题
根据第一段第二、三句可知，大脑过多的思考会让人感到饥饿
6.A细节理解题
根据第二段内容可知，身体运动能增加血液流动
7.A词义猜测题
根据本段第一句Next,halfthestudentssatquietlyfor15minutes,beforebeinggivenpizza.及画线词句中的too可知，这些学生也可以吃披萨
根据画线词所在句后的Butbyandlarge,theydidnotovereat..也可得知，画线词意为“吃”
8.C推理判断题
根据第三段内容可知，研究人员想从这项研究中知道运动是否能降低食欲
二、完形填空（共20小题；每小题2分，满分40分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项
DarleneLeesonwasinhotelisolation(afterreturningtoAustraliafromatriptoHawaii.Shewascallingafriend,jokingabouttheideaofputtinga(n)9onherhotelwindowasitfacedofficesacrosstheroad.Gettingthegentle10ofherfriend,Leesonwroteonsomenotes:"Day4ISOneed11.Room623"andthenstuckthemup.Thefirst12fromthoseintheoutsideworldwaslaughter.Shegotafew13andwavesfromofficeworkersandworkersonanearbyrooftop."Itwasmoredoneto14myselfduringtheboringisolation,"shesaid."Iwasn'tthinkinganyonewouldtakeit15."Thenherhotelroomphonerang."I16thoughtitwasthehotelringingtotellmeto17themoff.Itwasthewifeofoneoftherooftopworkerswhohadrungreceptionaskingtoget18tomyroom,shesaid.“TheythenaskedwhatchocolateI19.”Thetravellersaidshewasin20anddidn'tmakeher21oftreatclear."WechattedandshesaidIcould22adeliverysoon."Withinanhour,thechocolatearrived.Soon,abarofchocolatearrivedforheratreception.Leesonlater23awomaninanearbyofficebuildingmadethe24delivery.Morechocolatehadarrived,andagroupofworkershadall25."Beinginhotelisolation,Ican't26myroomwherethereareonlyafewshortminuteswhenthesuncan27,"Leesonsaid."Though,thekindnessofthese28brightenedmydaybeyondanyamountofsunshinepossible.”9.A.signB.advertisementC.warningD.picture·34·
分析直接利用函数的单调性判断选项即可．
解答解：y=-x+1在区间（0，1）上是减函数；y=$\sqrt{x}$在区间（0，1）上是增函数；
y=x2-4x+5在区间（0，1）上是减函数；y=$\frac{2}{x}$在区间（0，1）上是减函数．
故选：B．
点评本题考查函数的单调性的判断与应用，是基础题．
