專項02跨學科專練（一）Ⅰ單項選擇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（紫外線）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短文填空根據(jù)短文意思和首字母提示,寫出一個完整正確的單詞。ThetraditionalChineselunarcalendarhas24solarterms（節(jié)氣）inayear.Chinesepeoplecreatedthissystemtom8thechangeoftimebasedonthesun’sposition.Inancienttimes,thissystemguidedfarmingactivities.Itt9farmerswhattodoaccordingtothechangesintemperature.Today,24solartermsstillplayanimportantroleinChinesepeople’se10life.Theyremindpeopleofthechangesins11andtoeatsuitablefood.Thissystemhasgainednewcharmnow.IntheBeijing2022WinterOlympics,thedirectorusedanewcountdown（倒計時）method,showing24solartermsi12ofnumbers.Thiscreativemethodwasgreatlypraised（贊揚）bypeoplearoundtheworld.TheyareamazedbythewisdomofChinesepeople.

8.9.10.11.12.

專項02跨學科專練（一）答案全解全析Ⅰ1.D句意:蜜蜂能幫助植物生長。沒有蜜蜂,我們將沒有足夠的食物。from從;like像;except除了……以外;without沒有。故選D。2.C和平鴿的寓意源自畢加索的名畫。故選C。3.B根據(jù)題意,如果a=4,b=5,那么通過計算可知a+2ab+1等于45。故選B。4.C假設(shè)平均速度為x,則0.25x/50+0.25x/60=0.5,進而得出x=600/11。故選C。5.D句意:一項新的研究表明,陽光會讓人們感到饑餓。他們在接受了來自太陽的紫外線后,他們會吃更多的食物。hot熱的;sick生病的;sleepy瞌睡的;hungry饑餓的。故選D。6.DtheSpringFestival春節(jié);theMid-AutumnFestival中秋節(jié);theLanternFestival元宵節(jié);theDragonBoatFestival端午節(jié)。圖片中的人們正在劃龍舟,故人們正在慶祝端午節(jié)。故選D。7.B句意:科學家發(fā)現(xiàn),狗可能通過聞我們的呼吸和汗水來了解人類的感受。taste品嘗;smell聞;touch觸摸;watch觀看。故選B。Ⅱ8.mark句意:中國人創(chuàng)造這個體系是為了根據(jù)太陽的位置來標記時間的變化。mark意為“標記”,動詞不定式符號to后接動詞原形,故填mark。9.told句意:它告訴農(nóng)民根據(jù)溫度的變化要做什么。tell意為“告訴”,根據(jù)前一句的時間狀語Inancienttimes可知,此句用一般過去時,故填told。10.everyday句意:今天,二十四節(jié)氣在中國人的日常生活中仍然扮演著重要的角色。everydaylife意為“日常生活”,故填everyday。11.seasons句意:它們提醒人們季