In1990,Belgianinventorbynameof

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更新 2022-09-03
科目英语
题型单选题
难度中等
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挑错有奖

In 1990 , ________Belgian inventor by ________ name of Bakelite invented the first of the modern plastics.

A．a; a

B．a; the

C．the; a

D．the;\

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