It will also describe the considerable regulatory and political risks associated with such projects, along with the stratagems developed to mitigate them.

A．tricks

B．laws

C．compliments

D．semantics

关于放射治疗的作用，下列说法错误的是（）

A.可用于上腔静脉阻塞综合征的急症治疗

B.可用于缓解疼痛，改善患者生活质量

C.可用于某些肿瘤的术前治疗，缩小肿瘤体积以利于手术

D.单纯放疗可治愈某些肿瘤

E.可用于全身治疗，消灭全身微小转移灶