1 . In our daily life, we should have a _______ diet.What’s more, we should keep a _______ between work and relaxation for the benefit of our health．(balance) (所给词的适当形式填空)

2 . If you don’t have a _________ (balance) diet, you’re likely to fall ill owing to a lack of nutrition. (所给词的适当形式填空)

3 . Keeping a ________ (balance) diet and taking exercises regularly are considered as healthy lifestyles. （所给词的适当形式填空）