下面哪种功能是IS-2000标准没有的（）.
A.2.4MBps高速数据业务
B.软切换
C.前向快速功率控制
D.反向导频
参考答案：A
男性，右侧阴囊空虚，左侧可触及，于腹腔见一个椭圆形低回声光团，边界清晰，回声尚均匀，CDFI：血流信号丰富。如图所示，考虑为()
A．隐睾并精原细胞瘤
B．腹腔囊肿
C．腹腔淋巴结
D．畸胎瘤
E．腹腔淋巴瘤
—Kate, could you come to my party on Saturday?
—_____ [ ]
A. Yes, I'd love to
B. Sorry, I have to do my homework
C. I'm sorry, I'm late
D. Both A and B
