土地复垦实行“谁破坏、谁复垦”的原则。( )
参考答案:对
Varieties of after-class activities _______ to enrich students’ school life are held on Friday afternoon every other week in our school.
A.intended
B.aimed
C.planned
D.scheduled
下列哪项不是该患者的并发症
A.右膈下脓肿
B.胆道大出血
C.幽门梗阻
D.继发性腹膜炎
E.右胸腔脓肿