When Peng Liyuan , First Lady of China , made her first public appearance overseas, her grace and perfect dress have earned her international .
A．regulation
B．recognition
C．reception
D．appreciation
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解析：A.regulation规章制度，规定，B. recognition识别，认可， C.reception接待，D. appreciation欣赏，感激，句意：当中国第一夫人彭丽媛第一次在国外露面，她的优雅和完美的着装赢得了国籍的认可。根据句意选B。