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HOLIDAY FUN AT THE POWERHOUSE 500 HARRIS STREET ULTIMO ·TELEPHONE (02)9270111    Join in the holiday fun at the powerbouse this month linked to our new exhibition, Evolution & Revolution: Chinese dress 1700s to now. DON’T FORGET our other special event, the Club Med Circus School which is part of the Circus（马戏团）！150 years of circus in Australia exhibition experience! ◆    Chinese Folk Dancing: Colorful Chinese dance and musical performances by The Chinese Folk Dancing School of Sydney. Dances include: the Golden stick dance and the Chinese drum dance. A feature w鸟类的骨骼与飞行相适应的特点是 [     ]A．骨都紧密愈合在一起B．长骨中空，腔内充满骨髓C．长骨中空，腔内充满空气D．胸骨不发达，可减轻体重