中国证券监督管理委员会是国家对全国证券、期货市场进行统一宏观管理的主要部门。 ( )
参考答案：对
Professor James will give us a lecture on the Western culture, but when and where yet. [ ]
A. hasn't been decided
B. haven't decided
C. isn't being decided
D. aren't decided
男孩，9岁，1年前发现右胸锁乳突肌前缘一圆形肿物，逐渐增大，现在肿物直径2cm，囊性。既往有反复感染史。
应选择以下哪种治疗方案( )
A．应用抗生素
B．穿刺注药
C．理疗
D．手术切除
E．保守观察
