填空题

Scientists have discovered that tea is good for us. It tastes good and it is refreshing. In recent (1) studies, tea has been found to help prevent heart attacks and cancer. One study suggests that both black tea and green tea help (2) the heart. In the study, tea drinkers had a 44 percent (3) death rate after heart attacks than non-drinkers. Other studies have shown that tea, like fruit and vegetables, helps fight against chemicals that may (4) the development of certain cancers. Many people really like tea. Next to plain water, it’s the world’s most (5) drink.

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