阅读下列材料，回答问题。
    材料一  中国地形基本骨架：

    材料二 2010年，我国西南等地区发生严重干旱，云南、贵州、广西、重庆、四川等5省（区、市）遭遇历史罕见的特大旱灾，严重影响人们的生产、生活。

如图所示的物体由两个紧靠在一起的圆柱组成，小刚准备画出它的三视图，那么他所画的三视图中的俯视图应该是（  ）

                                                Bags of Love
    Last year, I was assigned to work at an office near my mother’s house, so I stayed with her for a month. During that time, I helped out with the housework and contributed to the groceries.
    After less than a week, I started noticing that the groceries were running out pretty quickly — we were always suddenly out of something. (1) ______ (wonder) how my mum could consume them so quickly, I began observing her daily routine for two weeks. To my surprise, I found that she would pack a paper bag full of canned goods and head out every morning at about nine. Eventually, I decided to follow her and (2) ______ happened truly amazed me. She was taking the food to the refugee camp, in (3) ______ she distributed it to children.
    I asked around and found out that my mum was very well known in the area. The kids were very friendly with her and even looked up to her as if she were their own mother. Then it hit me —shy would she mot want to tell me about what she (4) ______ (do)? Was she worried about how I would react or that I would stop (5) ______ (buy) the groceries if I found out?
    When she got home, I told her about my discovery. (6) ______ she could react, I gave her a big hug and told her she didn’t need to keep it a secret (7) ______ me. She told me that some of the children lived with an older lady in a shelter while others slept on the streets. For years, my mum has been helping out by giving them whatever food she could spare. I was so impressed by (8) ______ selfless she was.

读黄河流域图，回答下列问题。

为建设节约型、环境友好型社会，克服因干旱而造成的电力紧张困难，切实做好节能减排工作．某地决定对居民家庭用电实际“阶梯电价”，电力公司规定：居民家庭每月用电量在千瓦时以下（含千瓦时，千瓦时俗称度）时，实际“基本电价”；当居民家庭月用电量超过千瓦时时，超过部分实行“提高电价”．

（1）小张家年月份用电千瓦时，上缴电费元；月份用电千瓦时，上缴电费元．求“基本电价”和“提高电价”分别为多少元/千瓦时？