The original experiment cannot be exactly duplicated.

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问题 The original experiment cannot be exactly duplicated.

选项 A、invented
B、reproduced
C、designed
D、reported

答案B

解析本句意思：最初的试验无法精确复制。duplicate复制，复印，复写。invent发明，创造；reproduce复制，再现；design设计，布局，安排；report汇报，通报，报告。

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