1 . Students are asked to wear school u________ when they go to school every morning. （根据首字母单词拼写）

2 . I eagerly check my phone for comments and each like b________ my confidence. （根据首字母单词拼写）

3 . To solve this problem, it needs more open discussion and more ________ (自我批评的) thinking. （根据汉语提示单词拼写）

4 . Humor has been an e______ part of human behavior for thousands of years. （根据首字母单词拼写）

5 . In the 1980s, the team b______ onto the international volleyball scene with several major world titles. （根据首字母单词拼写）

6 . But fighting spirit alone was not enough to ______(保证) victory. （根据汉语提示单词拼写）

7 . The film ________ (探索) the tension between public duty and personal affections. （根据汉语提示单词拼写）