唯物主义和唯心主义是哲学史上的两个基本派别，唯心主义者都主张（    ）

炎热的夏天，小明将一瓶矿泉水放入冰箱冷冻室，第二天取出后发现矿泉水瓶变“胖了”．请回答下列问题：

我们的生存离不开空气．外界空气经过____进入肺，肺泡适于进行气体交换的结构特点是：

a．肺泡壁____，由____层上皮细胞构成；

b．肺泡外缠绕丰富的____分析下表数据，与吸入的空气相比，人体呼出的气体中   ____ 的含量减少，____的含量增加。

下列有关燃烧和灭火的说法正确的是（   ）

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。