1 . Martin Luther King led the b______ for the rights of black people. (根据首字母单词拼写)

3 . Mike tries to keep a ________(平衡) between work and relaxation. （根据汉语提示单词拼写）

4 . With this news programme ______(广播) every day, we get to know more about the world. (根据汉语提示单词拼写)

5 . The students always b______ very differently when the teachers are not around; they should be more disciplined(根据首字母单词拼写)

6 . A team of scientists strive for a b______ in cancer research, and eventually found out the way to fight against it. (根据首字母单词拼写)

7 . He climbed up the tree and hid among the b________ (树枝). (根据中英文提示填空)

8 . Participating in social activities is b________ to students’ communicative skills. (根据首字母单词拼写)

9 . He gave us a b________ (简短的) introduction about himself. (根据中英文提示填空)

10 . There is no doubt that China has achieved a great______ (突破) in developing rural education.(根据汉语提示单词拼写)