完形填空。 Today it is quite natural to find people shake hands in some situations. People all over the world shake hands for many different 1 . We shake hands when we meet new people 2 during special festivals. Players often shake hands before or after 3 . Business people shake hands when they make a deal. Why do people shake hands 4 shaking feet? This is because of the fact that a long time ago most people 5 knives or guns. If some of them decided that they did not want to 6 , they would show their empty hands. 7 people shook hands so that they could not 8 knives in their sleeves (袖子). Later on, handshaking became a symbol of 9 . Now we don't have to 10 people with guns or knives. However, we still shake hands all the time! The reason is  — it is still a way to show friendship. (     ) 1. A. ideas (     ) 2. A. or (     ) 3. A. s (     ) 4. A. such as (     ) 5. A. lost (     ) 6. A. cheat (     ) 7. A. Perhaps (     ) 8. A. hide (     ) 9. A. success (     ) 10. A. talk about B. reasons B. as B. speeches B. as well as B. bought B. fight B. Happily B. lift B. victory B. worry about C. thoughts C. but C. exercises C. instead of C. caught C. drop C. Carefully C. pull C. pride C. know about D. excuses D. so D. programs D. together with D. carried D. speak D. Luckily D. push D. peace D. learn about