People use the word "unidentified" to describe the reported flying objects becau

游客2023-09-16  15

问题 People use the word "unidentified" to describe the reported flying objects because what these objects are is still unknown. [br] According to the author many of the UFO reports are believable.

选项 A、Y
B、N
C、NG

答案 A

解析 根据作者所说,"Some of the reports about them are difficult to believe."有些关于UFO的报道很难让人相信,但有一些是从科学的角度报道的,"Some have been explained in scientific ways.",因此又有一些可信度。
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