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.

某学生写了下面6个化学方程式．A、Al+O₂=AlO₂；B、4P+2O₂2P₂O₅；C、Cu₂（OH）₂CO₃CuO↓+H₂O+CO₂↑；D、4Fe+3O₂2Fe₂O₃；E、Zn+H₂SO₄=ZnSO₄+H₂；F、CuO+H₂=Cu↓+H₂O．

其中（请填序号）：

化学式写错的有化学式写错的有____；化学式正确但不符合质量守恒定律的有____；反应条件应该注明而未注明的有____； “↑”、“↓”使用不当或遗漏的有____．