17. curriculum=course=syllabus课程n.16. survive=continuing existence幸存,无视 v.2. encounter=face=confront=meet遇见,雅思阅读同义词的替换,3. mistaken view=misconception错误的观点n.7. investigate=make inquiries=enquiries=go into=probe=look into 调查v.11. protect=guard=safeguard=shi