题目

Beyonce’s voice and breath-taking dances combined with stage effects to ______the fans’ passion.    A. take up         B. make up               C. bring up               D. light up   答案：D鸟类的胸骨很发达，也很突出，其主要作用是（　　）A．增加牢固性B．附着发达的胸肌适于飞翔C．保护胸骨和内脏器官D．减轻体重