Ⅰ.根据提示写出单词的正确形式
1．As long as we are united, there is no difficulty that can not be overcome (克服)．
2．I tried to convey (传达) in my speech that we were all grateful for his help.
3．I think he hasn't realized his potential (潜在的) energy yet.
4．If so, your points of view are bound to conflict (起冲突) with his.
5．We must struggle against this prejudice (偏见) for a more tolerant attitude to our beliefs.
6．Do these symbols have any particular significance (significant)?
7．She looked into the box out of curiosity (curious)．
8．His speech gave offence (offend) to everyone attending the meeting.
9．The chairman has also given his approval (approve) for an investigation into the case.
10. Initially (initial), I disagreed with his proposal, but later I changed my mind.
