Ⅰ. 根据句意及首字母或汉语提示完成单词（10分）
1. Lots of sports c_______ are strict with the athletes.
2. He is the winner at the 100-metre r_______.
3. Zhang Yining is not an o_______ success.
4. The _______ (广告)is very meaningful.
5. Tom broke a _______ (纪录)in running.
