内容正文:
Unit 1 ________ (故事,传说) of the ________ (无法解释的,神秘的)
Welcome to the unit
A spaceship from another planet? A satellite? A weather balloon? Can’t tell? That’s why it is called a UFO!
The Loch Ness Monster in Scotland ... could be a sunken ship!
You might run i________ a Yeti in the Himalayas, or just see a ________ (few/little) footprints, but you’d still be lucky!
The reason for building the pyramids in Egypt is till unknown even today.
Who ________ (build) Stonehenge in England and for what reason? No one ________ (know) the answer!
Reading
Boy missing, police ________ (困惑的,茫然的)
Police in America have ________ ________ (加紧,加强,促进) their ________ (搜查,搜寻,搜查) for a fifteen-year-old boy who went missing two days ago in Dover, New Hampshire. People have shown great interest in his ________ (disappear) due to ________ (目击,目睹) of ________ (令人困惑不解的) lights in the sky and reports of ________ (外星人的) visits around the time of his disappearance.
Justin Foster, a high school student, went missing la