He has been called the "missing link." Half-man, half-beast. He is supposed to live in the highest mountain in the world - Mount Everest.

　　      He is known as the Abominable Snowman. The___1___of the Snowman has been around for___2___. Climbers in the 1920s reported finding marks like those of human feet high up on the side of Mount Everest. The native people said they___3___ this creature and called it the "Yeti," and they said that they had___4___caught Yetis on two occasions___5___none has ever been produced as evidence (证据). 

　　      Over the years, the story of the Yetis has___6___. In 1951, Eric Shipton took photographs of a set of tracks in the snow of Everest. Shipton believed that they were not ___7___the tracks of a monkey or bear and___8___that the Abominable Snowman might really___9___.

　　      Further efforts have been made to find out about Yetis. But the only things people have ever found were___10___footprints. Most believe the footprints are nothing more than___11___ animal tracks, which had been made___12___as they melted (融化) and refroze in the snow. ___13___, in 1964, a Russian scientist said that the Abominable Snowman was___14___and was a remaining link with the prehistoric humans. But, ___15___, no evidence has ever___16___been produced.

　　      These days, only a few people continue to take the story of the Abominable Snowman___17___. But if they ever___18___catching one, they may face a real___19 ___: Would they put it in a ___20___or give it a room in a hotel?

　　1. A. event         B. story          C. adventure   D. description  

　　2. A. centuries     B. too long       C. some time    D. many years 

　　3. A. heard from     B. cared for    C. knew of       D. read about   

　　4. A. even           B. hardly       C. certainly     D. probably       

　　5. A. as            B. though        C. when         D. until           

　　6. A. developed   B. changed      C. occurred      D. continued      

　　7. A. entirely       B. naturally    C. clearly       D. simply         

　　8. A. found         B. declared      C. felt         D. doubted       

　　9. A. exist          B. escape       C. disappear     D. return         

　　10. A. clearer       B. more          C. possible       D. rare            

　　11. A. huge          B. recent         C. ordinary      D. frightening     

　　12. A. strange       B. large         C. deep         D. rough         

　　13. A. In the end     B. Therefore      C. After all       D. However       

　　14. A. imagined      B. real          C. special       D. familiar        

　　15. A. so           B. besides        C. again        D. instead        

　　16. A. rightly         B. actually       C. normally      D. particularly