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

2 . She doesn' t know how to _______(表现得体)in public.

3 . Chemical fertilizers kill the helpful __________(细菌) and pests as well as the harmful ones.

4 . What will happen to you if you don’t eat a__________(平衡的)　diet?

5 . I’ve had the_________(益处，好处) of a good education. （根据汉语提示单词拼写）

6 . A famous writer wrote a b ______ (传记)of the respectable president.

7 . Awrence Gostin, an expert in public health law and professor at Georgetown University in Washington has commented recently that quarantines in China are b___________ : “While expensive, it’s more than worth it. It prevents spread of disease and serious illnesses. And it’s far less costly than having to hospitalize many patients who could contract the coronavirus infection.”

8 . He __________(安葬) in the churchyard of St Mary’s by his friends and relatives.

9 . A good diet is __________ (有益) to your health.

10 . There are many b___________ to exercising and eating healthy food.