属于非血管内介入放射学诊疗技术的有()
A.经皮椎间盘脱出治疗
B.经皮血管腔内血管成型术
C.经皮针吸活检
D.经皮穿刺引流与抽吸技术
E.经导管药物灌注治疗
参考答案:A, C, D
My documents are always ______ out according to the contents(内容) and dates so that I have no trouble in finding them when they _______.
A.set; are needed
B.put; need
C.sorted; are needed
D.written; need
下图A→B→C自然带的逐渐更替体现的自然带哪种地域分异规律
A.纬度地带分异
B.经度地带分异
C.垂直地域分异
D.地方性分异