1．R__adioactive__ waste needs disposing with caution.
2．I d__eleted__ the file by mistake yesterday，for which I was scolded by my manager.
3．The airplane climbed to a__dizzy__(眩晕的) height.
4．The students__applauded__(鼓掌欢迎) the boy student's clever answer.
5．We will__accelerate__(加速) the reform of the financial system under these circumstances.
6．They've __arrested__(逮捕) almost everybody who is involved in the robbery.
7．The results of the study have a great __significance__(重要意义) for all the professions.
8．It was a __relief__(宽慰) to be able to talk to someone about it.
9．__Somehow__(不知怎么地)，she looks different.
10．The police have already ___identified__(确认) 10 murder suspects.
