急性气管炎以咳嗽为主要症状,治疗时宜用镇咳剂或镇静剂,以免影响睡眠。()
参考答案:错
Lily said she_________ mad at Lucy _________. [ ]
A. not, anymore
B. isn't; anymore
C. wasn't; anymore
D. was; anymore
关于神经阻滞疗法的作用机制下列哪项是不正确的()
A.消除病变区域的骨刺和瘢痕增生
B.阻断疼痛的传导通路
C.阻断疼痛的恶性循环
D.改善血液循环
E.抗炎症作用