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

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

游客2023-09-16  82
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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