Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years

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问题 Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years, almost twice what it was in the early 1900s.

选项 A、spectrum
B、expectation
C、expectancy
D、width

答案C

解析 (expectancy预期)。句意为：在人群中；衰老的影响因人而异。美国人的平均预期寿命大约是75岁，差不多是20世纪初期的两倍。A．spectrum光谱；B．expectation期望，期待；D．width广阔。

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Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years

考博英语

TheTrojanWarprovedtotheGreeksthatcunningand______wereoftenmoreeffectivethanmilitarymight.

Individualsmayatvariouspointsintheirlivesexperiencediscriminationintheallocationofresourceseither______ofbeing

Mostofthemhadvisitedtheinvalidoftenduringthepastfewmonths,marvelingathis______spiritandhisunfailinggoodtem

Thereisaheateddiscussioninthenewspaperontheissueofurbanization.Writeacompositiontoclarifyyourownpointofvie

Duringthe19thcentury,JewsinmostEuropeancountriesachievedsomeequalityofstatuswithnon-Jews.Nonetheless,attimesJ

TheEuropeanUnioncountrieswereonceworriedthattheywouldnothave______suppliesofpetroleum.

(Nottoomany)years(ago)mymotherjoggedinthealleybehindourhousebecauseshewasembarrassed(tosee)jogging(inpubli

Businessisimprovingbutmuchmorehardworkandcommonsensewillbe______beforeanysubstantialprofitscanberealized.

Therepublicationofthepoet’smostrecentworkswillcertainly______hisnationalreputation.

______herealizeditwasalreadytoolateforustoreturnhome.

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