Ⅰ.单词拼写或用所给单词的正确形式填空
1．His explanation clarified (澄清) the mystery.
2．You must pass the examination to get credit (学分) for the course.
3．They have launched a nationwide (全国范围的) campaign.
4．This is a good chance to go abroad, so she is unwilling (不愿意) to give it up.
5．I'm not sure of the exact number of the audience, but roughly (rough) speaking, I would say there are 1,500 or so.
6．Our country is like a big family, consisting (consist) of fiftysix nations.
7．The secretary arranged a convenient (convenience) time and place for the applicants to have an interview.
8．I think this was perhaps the most enjoyable (enjoy) occasion we have ever had at the White House.
9．What attracts me most in Beijing is that there are many attractions,_like the Great Wall and the Summer Palace. They are so attractive as to attract eyes from every corner of the world. (attract)
