题目内容
The list _________ 19 trillion data _________ over nine years from 390 cities across 48 countries.
A. based on; collected B. based on; collecting
C. is based on; collected D. is based on; collecting
C 【解析】句意:这份名单是基于48个国家的390个城市9年收集的19万亿数据。based on以…为基础,是非谓语动词形式;be based on以…为基础,是谓语动词形式;collected收集,过去分词;collecting现在分词。根据句子结构可知,第一个空是该句的谓语动词,应带be动词形式,排除A和B;第二个空是作后置定语,修饰前面的名词data,数据,他们之间构成被动关系,应用过...
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