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【题目】The number of people who ___ in position of professional skills and knowledge ___ shrinking.

A.are; is

B.is; are

C.are; are

D.is; is

【答案】B

【解析】句意:那些拥有专业技能和专业知识的人的数量是日益减少了。the number of...是“……的数量,后面接名词复数,接单数谓语动词,故第二空处用is,第一空处who引导的定语从句修饰先行词people,故用are

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