2023职称英语理工试题完形填空强化训练

第页共页2023职称英语理工试题完形填空强化训练2023职称英语理工试题完形填空强化训练Everylivingthinghaswhatscientistscallabiologicalclockthatcontrolsbehavior.Thebiologicalclocktells__1__whentoformflowersandwhentheflowersshouldopen.Ittells__2__whentoleavetheprotectivecocoonandflyaway,andittellsanimalsandhumanbeingswhentoeat,sleepandwake.Eventsoutsidetheplantandanimal__3__theactionsofsomebiologicalclocks.Scientistsrecentlyfound,forexle,thatatinyanimalchangesthecolorofitsfur__4__thenumberofhoursofdaylight.Intheshort__5__ofwinter,itsfurbeeswhite.Thefurbeesgraybrownincolorinthelongerhoursofdaylightinsummer.Scientistssaytheyarebeginningtolearnwhich__9__ofthebraincontainbiologicalclocks.AnAmericanresearcher,MartinMoorhead,saidasmallgroupofcellsnearthefrontofthebrain__10__tocontrolthetimingofsomeofouractions.These__11__tellapersonwhento__12__,whentosleepandwhentoseekfood.Scientistssaythereprobablyareotherbiologicalclockcellsthatcontrolotherbodyactivities.Dr.Moorheadisstudying__13__ourbiologicalclocksaffectthewaywedoourwork.Forexle,mostofushavegreatdifficultyifwemustoftenchangetodifferentworkhours.__14__cantakemanydaysforahumanbodytoacceptthemajorchangeinworkhours.Dr.Moorheadsaidindustrialofficialsshouldhaveabetterunderstandingofbiologicalclocksandhowtheyaffectworkers.Hesaid__15__understandingcouldcutsicknessandaccidentsatworkandwouldhelpincreaseafactory'sproduction.1.A)scientistsB)humansC)plantsD)animals2.A)insectsB)birdsC)fishD)snakes3.A)effectB)affectC)effectedD)affected4.A)becauseB)forthereasonthatC)becauseofD)since5.A)monthsB)daysC)minutesD)weeks6.A)flightB)flyC)movementD)transportation7.A)preventedfromB)orderedbyC)helpedbyD)intrudedon8.A)andB)butC)thereforeD)however9.A)portionsB)partsC)sectionsDkinds10.A)tryB)triesC)seemD)seems11.A)thingsB)partsC)cellsD)actions12.A)awakenB)wakeC)awakeD)wake-up13.A