专项02 跨学科专练(一)

专项02跨学科专练（一）Ⅰ单项选择1.Bees（蜜蜂）canhelpplantsgrow.bees,wewouldn’thaveenoughfood.

A.From B.Like C.Except D.Without2.Thedoveisalwaysusedasasymbolofpeace（和平的象征）,whichisoriginatedfromafamouspaintingof.

A.LeonardodaVinci B.ClaudeMonet C.PabloPicasso D.VincentvanGogh3.—Ifa=4,b=5,what’stheanswertothequestion“a+2ab+1”?—.

A.Forty-fifth B.Forty-five C.Twenty-three D.Twenty-third4.AcartravelledfromAtoBin30minutes.Thefirsthalfofthetripwascoveredat50mph,andthesecondhalfat60mph.Whatwastheaveragespeed?A.400/11. B.500/11. C.600/11. D.700/11.5.Anewstudyshowsthatsunshinecanmakemenfeel.TheywilleatmorefoodafterreceivingUVBrays（紫外线）fromthesun.

A.hot B.sick C.sleepy D.hungry6.Inthepicture,peoplearecelebratingthe.

A.SpringFestival B.Mid-AutumnFestival C.LanternFestival D.DragonBoatFestival7.Scientistsfoundthatdogsmayknowhuman’sfeelingsbyourbreathandsweat（汗）.

A.tasting B.smelling C.touching D.watchingⅡ短文填空根据短文意思和首字母提示,写出一个完整正确的单词。ThetraditionalChineselunarcalendarhas24solarterms（节气）inayear.Chinesepeoplecreatedthissystemtom8thechangeoftimebasedonthesun’sposition.Inancienttimes,thissystemguidedfarmingactivities.Itt9farmerswhattodoaccordingtothechangesintemperature.Today,24solartermsstillplayanimportantroleinChinesepeople’se10life.Theyremindpeopleofthechangesins11andtoeatsuitablefood.Thissystemhasgainednewcharmnow.IntheBeijing2022WinterOlympics,thedirectorusedanewcountdown（倒计时）method,showing24solartermsi12ofnumbers.Thiscreativemethodwasgreatlypraised（赞扬）bypeoplearoundtheworld.TheyareamazedbythewisdomofChinesepeople.

8.9.10.11.12.

专项02跨学科专练（一）答案全解全析Ⅰ1.D句意:蜜蜂能帮助植物生长。没有蜜蜂,我们将没有足够的食物。from从;like像;except除了……以外;without没有。故选D。2.C和平鸽的寓意源自毕加索的名画。故选C。3.B根据题意,如果a=4,b=5,那么通过计算可知a+2ab+1等于45。故选B。4.C假设平均速度为x,则0.25x/50+0.25x/60=0.5,进而得出x=600/11。故选C。5.D句意:一项新的研究表明,阳光会让人们感到饥饿。他们在接受了来自太阳的紫外线后,他们会吃更多的食物。hot热的;sick生病的;sleepy瞌睡的;hungry饥饿的。故选D。6.DtheSpringFestival春节;theMid-AutumnFestival中秋节;theLanternFestival元宵节;theDragonBoatFestival端午节。图片中的人们正在划龙舟,故人们正在庆祝端午节。故选D。7.B句意:科学家发现,狗可能通过闻我们的呼吸和汗水来了解人类的感受。taste品尝;smell闻;touch触摸;watch观看。故选B。Ⅱ8.mark句意:中国人创造这个体系是为了根据太阳的位置来标记时间的变化。mark意为“标记”,动词不定式符号to后接动词原形,故填mark。9.told句意:它告诉农民根据温度的变化要做什么。tell意为“告诉”,根据前一句的时间状语Inancienttimes可知,此句用一般过去时,故填told。10.everyday句意:今天,二十四节气在中国人的日常生活中仍然扮演着重要的角色。everydaylife意为“日常生活”,故填everyday。11.seasons句意:它们提醒人们季