根据首字母及句意补全单词。

1. I e            every day. It is good for my health.

2. Mother asks me to eat a lot of  v          _

3. I go to bed very late every n        __ .

4. J         _  food is not good for our health.

5. I usually watch TV on w            .

慢性阻塞性腮腺炎最常见的病因是（）

A.导管结石

B.导管异物

C.导管较长，唾液易滞留

D.增龄性改变，导致唾液黏稠

E.导管口黏膜损伤导致管口狭窄