1. ignore=pay no attention=not pay any attention=take no notice=not take any notice忽略，无视 v.

2. encounter=face=confront=meet遇见，遭遇v.

3. mistaken view=misconception错误的观点n.

4. easy to reach=accessible容易达到的adj.

5. change=modify(modification) 改变v.

6. destruction=destroy=loss毁坏n.

7. investigate=make inquiries=enquiries=go into=probe=look into 调查v.

8. where=geographical location 表地点

9. important=vital=essential=crucial重要的adj.

10. reason=cause=factor=origins=root=stimulus=impetus原因n.