Ⅰ. 根据句意及首字母或汉语提示完成单词(5分)
1. I want to join the chess club because it can i ______ my thinking skills.
2. The girl eats little. She wants to stay in s ______.
3. Li Ming likes Sun Yang. He wants to join the swim t ______.
4. You need a lot of ______（练习）, then you will do it well.
5. My sister’s English is at a high ______（水平）.
