What day is it today?                                        ____

    Last summer, Tina's parents needed to work in another city for a month. And Tina had to stay 1 Aunt Betsy in California.

    Tina never saw Aunt Betsy before, 2 she was a little nervous(紧张的). Aunt Betsy told her the 3 in California was hot, so Tina put some shorts and T-shirts in her bag. She 4 put some books in her bag because she enjoyed reading. Her favorite 5 were about horses(马).

    When the 6 came, Aunt Betsy picked up(接) Tina. On the way to Aunt Betsy's house, Tina 7 many horses in the fields(牧场). Tina liked 8 very much and she wished she could have a horse some day.

    When they 9  Aunt Betsy's house, Tina saw a big picture on the wall. It was about a tall brown 10! Aunt Betsy was in the 11, and she was sitting on the horse.

    “Do you 12  the horse? Her name is Lucky. Usually, I visit her 13 a week, every Saturday afternoon for an hour. We can go 14 together this weekend,” said Aunt Betsy.

    Tina felt 15 because her aunt and she had the same hobby. It was going to be a wonderful holiday.

某同学家中有一个电磁炉，上面标有“220V 2000W”的字样，下面关于这个电磁炉的说法中正确的是（  ）

阅读下列材料，回答问题。

材料一：1770年，英国农业和工业在国民总收入中的比重为40%、24%，1821年变为26、1%、31%。

材料二：煤的大量开采和使用，在提供动力的同时，又释放出大量的烟尘、二氧化碳、二氧化硫和其他有害物质。18世纪末期，伦敦上空多次出现烟雾现象，造成植物枯死，甚至还造成许多居民患病或死亡。

（1）材料一表明英国社会经济结构发生了什么变化？导致这一变化的根源是什么？

（2）材料二表明英国在经济发展过程中出现了什么问题？我们从中应吸取什么经验教训？

（3）两则材料共同说明了什么？