Does brain power______as we get older? Scientists now have some surprising answers.

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问题 Does brain power______as we get older? Scientists now have some surprising answers.

选项 A、descend
B、deduce
C、decline
D、collapse

答案C

解析 decline“衰退”，有一个过程，如：His health is declining；collapse“倒塌，崩溃，垮台”，含彻底性意义和最终结果；descend指缓慢地向下运动，多指具体动作；deduce“演绎，推断”。题句意为：随着年龄的增长，脑力是否在逐渐衰退?科学家目前有一些惊人的答案。所以用decline合适。

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Does brain power______as we get older? Scientists now have some surprising answers.

在职攻硕英语联考

Althoughthetwocompaniestalkedabouthowlittlethereisbetweenthem,theystillexpecttoeliminateabout10000positionsf

Thedaywasbreakingandpeoplebegantogotoworksothemurdererwasunabletoofthebody.

Sustainabledevelopmentistheonethatmeetstheneedsofthepresentwithout______theabilityoffuturegenerationstomeett

Tosurviveintheintensetradecompetitionbetweencountries,wemust______thequalitiesandvarietiesofproductswemaketo

Personalityistolargeextentinherent.A-typeparentsusuallybringA-typeoffspring.Buttheenvironmentmustalsohaveapro

Britain’semissionsofgreenhousegases,blamedbymanyscientistsforcontributingtoglobalwarming,havefallenby14percent

Socialchangeismorelikelytooccurinsocietieswherethereisamixtureofdifferentkindsofpeoplethaninsocietieswhere

______fromspace,ourearth,withwatercovering70%ofitssurface,appearsa"blueplanet".

Abreakthrough(突破)intheprovisionofenergyfromtheSunfortheEuropeanEconomicCommunity(EEC)couldbebroughtforwardb

Theswanismostlysilentthroughitslife,unabletosingsweetsongslikemostotherbirds.Inancienttimes,however,people

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(2007年)为了减少汽车尾气中NO和CO的污染，按下列反应进行催化转化，NO(g)+CO(g)=N2(g)+CO2(g)的=-373．2kI／mol，为了提高转化率，应采取的措施是()。

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