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1、实用标准文档实用标准文档实用标准Ⅱ.GrammarandVocabularySectionAToBeJoyful,ToBeYoungWhatreallyworkstomakesustainablechangesindietandlifestyle?It’sprobablynotwhatyouthink.Inthepast30yearsofconductingclinicalresearch,I(21) (learn)thatrealkeysarepleasure,joyandfreedom.Joyoflivingiss
2、ustainable;fearofdyingisnot.Why?Becauselifeistobeenjoyed.There’snopoint(22) (abandon)somethingyouenjoyunlessyougetsomethingbackthat’sevenbetter,andquickly.Whenpeopleeatmorehealthfully,(23) (quit)smoking,andmanagestressbetter,theyfindtheyfeelsomuchbetter
3、,soquickly.Itreconstructsthereasonformakingthesechangesfromfearofdyingtojoyofliving. Whenyouexerciseandeatright,yourbrainreceivesmorebloodflowandoxygen,soyoubecomesmarter,havemoreenergy,andneedlesssleep.Twostudiesshowedjustwalkingforthreehoursperweekforonlythreemonthscau
4、sedsomanyneurons(神经细胞)(24) (grow)thatitactuallyincreasedthesizeofpeople’sbrains!Yourfacereceivesmorebloodflow,soyourskinglowsmoreandwrinklesless.Youlookyoungerandmoreattractive.Incontrast,anunhealthydiet,lastingemotionalstressandsmokingreducebloodflowtoyourface
5、(25) youagemorequickly.Smokingspeedsupagingbecausenicotinecontributestoyourbloodvesselbecomingnarrower,(26) decreasesbloodflowtoyourfaceandmakesitwrinkleprematurely.Thisiswhysmokerslookyearsolderthantheyreallyare.Oneofthemostinterestingfindi
6、ngswasthatthemothers’awarenessofstresswasmoreimportantthan(27) wasobjectivelyoccurringintheirlives.(28) (give)aquestionnaire,thewomenwereaskedtorateonathree-pointscalehowstressedtheyfelteachday.Thewomenwhorealizedtheywereunderheavystresshadsignificantly
7、shortenedanddamagedtelomeres(染色体端粒)comparedwith(29) whofeltmorerelaxed.Contrarily,someofthewomenwhofeltrelaxed(30) raisingadisabledchildhadmorenormal-appearingtelomeres. Inotherwords,ifyoufeelstressed,youarestressed.SectionBDirections：Afterreadingthepas
8、sagebelow,fillineachblankwithaproperwordgiveninthebox.Eachwordcanbeusedonlyonce.Notethatthereisonemorew
