单选题：The______of AIDS has led to an expansion in research seekin

题目内容：

The______of AIDS has led to an expansion in research seeking a cure. A．proliferation
B．selection
C．innovation
D．conviction

参考答案：

答案解析：

Thefirstparagraphtellsusthattheauthor_______.

Thefirstparagraphtellsusthattheauthor_______.A．losthishearingwhenhewasachild

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根据以下材料，回答题WCWestviewCenterPerchedoverlookingtheocean,WestviewCentercombinesthe

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WhatdoesMs,Harrisonthinkmighthavecausedtheproblem?A．Leavingthesunblockinawarmpla

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Inthememo,theword"assumed"inparagraph1,1inel,isclosestinmeaningtoA．supposed B．ta

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TowhatofficedidMs.Abbotwritethee-mail?A．Generalmanagement B．Technicalsupport C．B

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