用所给单词的适当形式填空。

1. She often ______ (go) to the movies.

2. I like ______ (play) basketball.

3. They watch TV ______ (one) a week.

4. She is a successful actress, and many _______ (interview) interview her.

5. How often does he ______ (drink) milk?

6. My mother wants me ______ (drink) milk every day.

7. I try ______ (eat) a lot of vegetables.

8. Do you think she has a ______ (health) lifestyle?

9. Jim exercises every day. He wants to keep in good ______( healthy).

10.There are two ______ ( different) between the two words.

2008年5月12日四川汶川大地震后，为了预防疫情，防疫人员使用了各种消毒剂对环境进行消毒。亚氯酸钠(NaClO₂)是一种重要的消毒剂。试计算：

(1)亚氯酸钠中Na、Cl、O三种元素的质量之比为________。

(2)现要配制质量分数为16%的亚氯酸钠消毒液1500kg，需要亚氯酸钠____ kg。