These innovations in manufacturing________output and living standards to an unprecedented extent.

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问题 These innovations in manufacturing________output and living standards to an unprecedented extent.

选项 A、moved
B、triggered
C、boosted
D、generated

答案C

解析 制造业的发明创造极大地促进产出和生活水平的提高。A项moved“移动;开始行动”,B项triggered“触发;引发”,C项boosted“促进;增加” ,D项generated“造成;发电”。
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