填空。 Are you good at understanding body language? You are probably 1 than you think, according to the experts. What is body language exactly? 2 , it is signals made by body movement, gesture and eye movement. Body language can actually 3 a lot of information, and it can help us 4 a person's attitude and state of mind. In fact, studies have suggested that only 7% of communication involves actual 5 ,while 55% is body language and 38% is intonation(语调). Many examples of body language are 6 to identify. In most cultures, smiling shows happiness and a /an 7 attitude. So, when someone smiles at you, they're telling you that they are open, interested and happy to 8 . But if someone puts their arms across their chest, they don't want to communicate with you. And if this is combined with a serious facial expression, you should 9 because this can mean anger. It's very difficult to 10 with your body language. For example, when people pretend to 11 , they only use the muscles around the mouth-and the top half of their face remains 12 . However, a true smile involves the 13 face, including the cheeks and eyes. Research shows that most people can see whether a smile is true by looking at the top half of the 14 . One of the great advantages with body language is that you don't have to 15 it -you already know it, even if you don't know you do. (     ) 1. A. cleverer (     ) 2. A. Basically (     ) 3. A. read (     ) 4. A. hide (     ) 5. A. words (     ) 6. A. sure (     ) 7. A. surprised (     ) 8. A. tell (     ) 9. A. leave out (     )10. A. begin (     )11. A. smile (     )12. A. untouched (     )13. A. partial (     )14. A. mouth (     )15. A. understand B. better B. Suddenly B. change B. create B. signals B. impossible B. friendly B. say B. watch out B. move B. speak B. unnoticed B. whole B. cheek B. do C. more interested C. Truly C. receive C. understand C. meaning C. easy C. curious C. speak C. speak out C. answer C. look C. unchanged C. usual C. face C. mean D. more careful D. Surprisingly D. communicate D. like D. gesture D. hard D. lovely D. talk D. turn out D. lie D. reply D. uncovered D. happy D. body D. learn