根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Aswegetoldermostofusworryaboutgreyhairwrinklesandmaintainingayouthfulbody. 1. HereMr.Rubinavoiceexpertrevealshowtokeepyourvoiceyouthful.
Drinkmorefluidandavoidspicyfood
Youneedwaterforthevocalcords(声带)tovibratewell.Thebodymustkeepabsorbingenoughwatertomakethevocalcordsoperatewell.Drinking1.5litersofwateradayatintervalsof15minutesisveryimportant. 2.
Restthethroatandtalkregularly
Thevocalcordscanbescarredifyouuseyourvoiceduringabadcough.Ifyouhaveacaseoflaryngitis(喉炎)withacoldyoushouldrestyourvoiceforadayortwoandseekmedicaladvice.
Simplystayingsociableandusingyourvoiceisveryimportant.“Asolderpeoplehavelessmobiletheycanbecomesociallyisolatedandspeakless”saysMr.Rubin.“Theelderlyneedtocommunicatewithpeoplemore. 3. ”
4.
Goodpostureisessentialtokeepingthevoiceyoungsowe’dbetterstandproperly.Exercisehelpsyoutakedeeperbreathsasitmeansthereisbetterairflowthroughthevoiceboxproducingastrongertone.
Singintheshower
Thisisoneofthebestwaystopreserveyourvoiceasitkeepsthelarynxmusclesstrongwhilethesteamlubricatesthevoicebox.“ 5. ”saysMr.Rubin.Joiningachoirisoneofthebestwaystopreserveayouthfultone.
A.Improveyourposture
B.Byusingthevocalcordstheyenabletheageingprocesstoslowdown.
C.Butpeopleoftendon’trealizethevoiceneedslookingafter.
D.TheVoiceofYoungScienceprogrammeencouragesearlycareerresearcherstoplayanactiveroleinpublicdebatesaboutscience.
E.Singingistothevoicewhatgymnasticsaretohumanbeings.
F.Usingthevocalcordsregularlywilldefinitelyageourvoicemorequickly.
G.Mr.Rubinadvisesavoidingfoodswithanannoyingeffectonthestomachsuchasonionschilifizzydrinksandchocolate.
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