Historians wish they could witness the real scenes of historic events because th

游客2023-09-03  21

问题 Historians wish they could witness the real scenes of historic events because there are so many mysteries about them. [br] In such episodes as the Red Baron, the show has been heavily relying on ______.

选项

答案 high-tech investigation tools

解析 由题干关键词Red Baron可将答案定位至第二个小标题下第三段第一句。A high-powered la ser system also figures prominently in the Red Baron episode.,根据文章与题干的含义,A high-powered laser system是高科技工具的一个具体代表,因此空格里应该填入上一段第一句中的high-tech investigation tools。
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