看拼音写词语。

A、B、C、D分别为氧化铁、盐酸、氢氧化钙、碳酸钙中的一种．它们之间的反应或转化关系如图（部分物质和反应条件已略去）．则化学方程式：①____ ；②____ ；A在生产或生活中的一种用途是____ ．

-Does your sister ___________ a CD ?

-Yes, she ___________.

在信息时代，个人隐私的保护成为经济发展、产业升级和社会文明提升的一个瓶颈。由于信息不对称，公众用户始终处于弱势，但只要信息技术企业意识到保护个人隐私的重要性并加强行业自律，就能对个人隐私进行完全保护。当然，保护个人隐私是一个渐进的过程，企业制订出相关行业规定，就能将保护个人隐私工作落到实处。信息技术产业方兴未艾，如果现在就将其置于政府监管之下，信息企业必能马上认识到保护个人隐私不只是保护用户的利益，也是在奠定自己发展的基础，迅速开创全社会共赢的局面。

①单凭企业意识到重要性并加强行业自律是不能完全保护个人隐私的。

②____。

③____。

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Xiao Qiang, a 12-­ year­-old Chinese boy, has too many activities. His father 1 him away from school four afternoons a week and drives him across town to practice. "I do most of my 2 in the car when we are 3 to practice, and I have to do the rest when I get home. I am too tired. I just want to sleep." He said.

    "More and more kids become unhappy 4 they have too many activities to do." aid Mr. Wang, an expert of child development. "41% of the children aged 9－13 said they felt 5 most of the time, and more than 75% of them said that they wished they had more 6 time to play.

    "Over­scheduling is a growing problem for Chinese families." said Mr. Wang. It is not good for both kids and their parents. More families eat dinner 7 or often eat fast food 8 their way to football practice or music lessons. We all know it is important for kids to learn how to relax. If they don't learn that now, it will be more difficult to learn when they get 9. Kids need time to relax. Parents should 10 about what is right for kids.