遵纪守法指的是每个从业人员都要遵守法律和法规，尤其要遵守与职业活动相关对俄法律法规和职业纪律。
参考答案：对
She listened with a________expression on her face,which suggested she didn’t completely understand.
A．puzzling
B．frightened
C．frightening
D．puzzled
女30岁，阵发性高血压伴出汗、头疼和心悸，MRI检查在腹主动脉旁可见一直径3cm肿块，包膜完整。TWI呈低信号，TWI呈高信号，其强度接近脑脊液，注射GD—DTPA后不均匀强化。应首先考虑为()
A．淋巴瘤
B．神经纤维瘤
C．脂肪肉瘤
D．异位嗜铬细胞瘤
E．转移癌
