从Na、C、H、O、N、Fe、Cu七种元素中选择适当的元素按要求用化学式，离子符号，用适当的数字和符号填空：

①两个铁离子____；

②使酚酞试液变红气体____

③能造成空气污染气体是____；

④溶于水使溶液温度显著升高的碱是____

⑤不稳定的酸____

⑥铁锈的成分____．

下列物质在核糖体内合成的是（    ）

①性激素②胰岛素③淀粉④消化酶⑤纤维素

进入青春期后，我们与父母的冲突，往往基于父母对我们的高期待、严要求。要化解这种“爱的冲突”，我们应该（     ）

计算机可以实现将播音内容自动转换成文字，这种类似“听写机”的系统被电视台、广播电台等单位广泛应用。这项技术主要应用了人工智能中的(   )

阅读理解B
    Last Friday night l went to a great party．It was a birthday party for my teacher Mrs Brown．Students in my class all went to celebrate Mrs Brown's 40th birthday．We began to arrange(筹备)the party two weeks ago，but Mrs Brown knew nothing about it．
    We all met at a restaurant at 6：45 pm．There were 30 people．Mrs Brown's son took her to the restaurant and they arrived at seven o'clock．Just before seven，we all stayed in one room of the restaurant and made the room dark．
    When they got to the restaurant．Mrs Brown's son asked her to go into the room first．Then we all shouted．"Surprise!”
    Mrs Brown was really surprised．She jumped when she heard us．Then we sang Happy Birthday To You and she knew what was happening，We all had a great dinner and then a delicious birthday cake．
    For her birth-day,Mrs．Brown got a beautiful quilt(被子).We printed our photos on it．So it was a very special quilt．
    Mrs Brown enjoyed her evening，and we enjoyed it too．
根据材料内容选择最佳答案。