Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 5 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 5 years, almost twice what it was in the early 190Os.

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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考博英语

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Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 5 years,

考博英语

It’saseriouscrimethatpeople______goodsoutofChinatoavoidpayingcustomsduty.

Itisfrequentlyassumedthatthemechanizationofworkhasarevolutionaryeffectonthelivesofthepeoplewhooperatethene

Shecriticizedmywritingbutinawaythatwasvery______.

Onestudentafteranother______uptoanswertheteacher’squestions.

Ishouldbeabletofinishthetaskontime,______youprovidemewiththenecessaryguidance.

Iarriveatnineo’clock,teachuntiltwelvethirtyandthenhaveameal;thatismymorning______.

LastyearFrenchdriverskilled【C1】_____than5,000peopleontheroadsforthefirsttimeindecades.Creditgoeslargely【C2】___

Thechairmanofthecompanysaidthatnewtechniqueshad_______improvedtheirproductionefficiency.

Beforethemid-nineteenthcentury,peopleintheUnitedStateeatmostfoodsonlyinseason.Drying,smoking,andsaltingcould

Iamrunningdownanalleywithastolenavocado,havingclimbedoverawhitebrickfenceandintotheforbiddenbackyardofac

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BenjaminWestwasan(eighteenth-century)Americanartist(who)influencedBritishpainters(justsomuch)ashedid(other)Ame

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我国去年对房地产投资的宏观调控政策，使许多房地产投资者在实现其预期收益目标时遇到困难。这主要体现了房地产投资风险的()。

项目施工中，安全检查的重点是()和违章作业。

根据《中华人民共和国会计法》的规定，会计机构、会计人员在审核原始凭证时，对不真实、不合法的原始凭证有权不予受理，并将有关情况上报，其报告的对象是()。

根据对外贸易法律制度的规定，我国对限制进出口的技术实行的是()。

以下选项中，属手江苏省国家级地质公园的是()。

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LastyearFrenchdriverskilled【C1】___than5,000peopleontheroadsforthefirsttimeindecades.Creditgoeslargely【C2】_