The ______ of AIDS has led to an expansion in research seeking a cure.

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问题 The ______ of AIDS has led to an expansion in research seeking a cure.

选项 A、innovation
B、selection
C、proliferation
D、conviction

答案C

解析 proliferation 意为“激增：扩散”如：proliferation of nuclear arms 核武器扩散；innovation 意为“革新，创新”如：“The innovation of air travel daring this century has made the world seem smaller.”；selection 意为“选择；选拔”；conviction 意为“定罪，判罪”，如："This was his third conviction.”

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专业英语四级

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The ______ of AIDS has led to an expansion in research seeking a cure.

专业英语四级

CampfirestwinkledonthebeachesandalongthecausewaysnearCapeKennedy.Nearlyamillionpeoplehadcometowatchthelaunc

Otherpeople’sadvicewouldbe_________valuabletohimwhoisatpresentathiswit’send.

Accordingtothepassage,theeconomicandindustrialchangesaswellaspeople’sdesiretoimprovetheirpositionscanusually

ImmediatelyaftertheCivilWar,however,thedietbegan【C1】______.Railtransportationincreasedthesupplyand【C2】______the

OldChinesearenotusedtobuythingson________andarelikelytosaveasmuchmoneyaspossible.

Whentraveling,itispossiblethatyoumaybeadvisedtotakethetravelers’checks,whichprovideasecure________tocarryi

WhowillbetheballgirlsattheMastersSeriesMadridevent?

GardeningGardeningisoneoftheoldestofthearts./TheChinesewiththeirdeepsensitivenesstobeauty/!aidthefou

Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemformostofthemisunderstandingsbetw

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