根据句意及首字母提示补全单词

1. Chocolate gives you e_______. But eating too much is bad for your teeth.

2. He wrote an a_______ about Wang Xiaoya.

3. Something was wrong with his s_______. He felt sick after meals.

4. Fruit is good for our health. We like to eat w_______ in summer.

5. Many d_______ are caused by germs.