Einstein, like other great physicists before him, worked out new theories that challenge our ______ concept of the universe.

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问题 Einstein, like other great physicists before him, worked out new theories that challenge our ______ concept of the universe.

选项 A、existed
B、established
C、organized
D、adjusted

答案B

解析 existed意为“存在的”,指实际存在的;established意为“确认的”,指得到承认的或被接受的;organized意为“有组织的”,指在正式结构中起作用的;adjusted意为“调整的”,指改变……以适应的。所填之词修饰concept of the universe(有关宇宙的观念),所以应该选用established。
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