Modern medical advances ______ the average life expectancy by several years.

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问题 Modern medical advances ______ the average life expectancy by several years.

选项 A、expanded
B、spread
C、extended
D、enlarged

答案C

解析 extend“延伸，延续”；expand“扩大，膨胀”；enlarge“扩大，扩展”。

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大学英语四级

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Modern medical advances ______ the average life expectancy by several years.

大学英语四级

Theuseofnuclearpowerhasalreadyspreadallovertheworld.【C1】,scientistsstillhavenotagreed【C2】Whatshould

Withonlyabout1,000pandasleftintheworld,Chinaisdesperatelytryingtoclonetheanimalandsavetheendangeredspecies.

Therearemanywaysofdefiningsuccess.Itisaccuratetosaythateachofushasourownconceptofsuccesstotheextentthat

Today’spolicemeninlargecitiesthroughouttheworld【C1】______onmodeminventionstohelpthemintheirwork.Inmostplacesm

Therearetwotypesofpeopleintheworld.Althoughtheyhave【B1】______degreesofhealthandwealthandothercomfortsoflife,

LudwigvanBeethovenwasoneofthegreatest【B1】______whoeverlived.Hethoughtthatpeoplecouldbefreewhentheywrotemusic

Ifparentsbringupachildwiththeaimofturningthechildintoa【B1】,theywillcausea【B2】Accordingtoseveral

A、Mostpeopledon’tthinkitisaseriousproblem.B、Mostofourpollutioniscausedbythingspeopleneed.C、Thegovernmenthas

A、Compensatingmusicpublishers.B、AwarningmessageappearsonBAIDUwebsite.C、Compromisingtomusicpublishers.D、Supplyingm

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Therearetwotypesofpeopleintheworld.Althoughtheyhave【B1】______degreesofhealthandwealthandothercomfortsoflife,

LudwigvanBeethovenwasoneofthegreatest【B1】______whoeverlived.Hethoughtthatpeoplecouldbefreewhentheywrotemusic

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工程设计不管采用哪种模式，最终决策人和最终风险承担人是()。

会计报表每半年打印一次进行保管。()

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