1 . How long can you b________ (保持平衡) on one leg?

2 . I think it’s important to have a ______________(平衡) between study and a social life, so I’m going to join a few clubs. (根据汉语提示单词拼写）

3 . Hearing the good news that he had been admitted into his dream university after so many years of hard work, his parents couldn’t help b____________ into tears.

4 . Music education is ____________(benefit) and important to all the students. （所给单词适当形式填空）

5 . Whatever difficulty you have _________ (讨价还价) with the seller, don’t hesitate to ask me for advice. （根据汉语提示单词拼写）

6 . It is of great importance to keep a b___________ and healthy diet.

7 . 词性转换
1. access → _______(adj.)
2. approve → _______(n.)
3. response→ _______(v.)
4. flexible→ _______(adv.)
5. benefit→ _______(adj.)

8 . A guide will give a   __________(简洁的) talk on the history of the site.(根据汉语提示单词拼写)

9 . My mother always does whatever she can to provide a_____(均衡的) diet for Dad and me. (根据汉语提示单词拼写）

10 . They have made a ________(有利的) agreement to all countries.(根据汉语提示单词拼写)