1 . _________ (平衡) a scientific career and a family takes time and effort but is not impossible.

2 . There is no obvious ________(突破) with cancer at present.

3 . Slowly, the city began to ________ (呼吸) again. (根据汉语提示单词拼写)

4 . Keeping the right b________ (平衡)between progress and protection is a big challenge. (根据中英文提示填空)

5 . 150,000 soldiers were sent to Tangshan to dig out those who were ________ (掩埋). (根据汉语提示单词拼写)

6 . It seemed that most of the students in our class ________ (受益) much from Professor Li’s lecture. （根据汉语提示单词拼写）

7 . It is not Sam’s fault, and we shouldn’t b_______ him. (根据首字母单词拼写)

8 . We should keep a_______（平衡）between relaxation and study.

9 . Some bacteria are harmful while many more are_______ (有益的).

10 . It’s important to keep a b__________ between work and relaxation.