Because alcohol is a solvent, it is a component of many liquid medicines.

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问题 Because alcohol is a solvent, it is a component of many liquid medicines.

选项 A、basic ingredient in making medicines
B、combination of things of different qualities
C、one of the parts that make up a whole
D、substance that helps to cure certain diseases

答案C

解析空格处的意思是：因为酒精是一种溶剂，所以它是许多液体药物的组成部分。划线单词component的意思是“成分”。各选项的意思是：basic ingredient in making medicines“制药的基本成分”；combination of things of different qualities“不同性质物品的化合物”；one of the parts that make up a whole“组成整体的一部分”；substance that helps to care certain diseases“用于治疗某一疾病的物质”。

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Because alcohol is a solvent, it is a component of many liquid medicines.

考博英语

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Thenewsecretaryhaswrittenaremarkably______reportonlyinafewpagesbutwithallthedetails.

Inthispart,youarerequiredtowriteacompositionentitledHowDoIStudyAmericanCultureinnolessthan200words.Yourc

Don’tmeddleinheraffairs,andinfact,shecanattacktheproblemandsolveitquicklyherself.

Smog-chokedSouthernCalifornia(demands)them.It’sacarforpeoplewhoneverwanttogoto(a)gasstationagain.Butthefac

AllflightsinandoutTianheAirportcametoa______becauseofthesnowstorm.

Green-spacefacilitiesarecontributingtoanimportantextenttothequalityoftheurbanenvironment.Fortunatelyitisnolon

________,hedoesgetannoyedwithhersometimes.

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