阅读理解

    The winter holidays(假期)were here last ! It was Nami's job to make a gift for everyone in family．She did it every year.

    Grandma loves flowers．So Nami drew a picture of flowers for her grandma．Grandpa loves cakes．So Nami made her grandpa a strawberry cake．Cousin Miko loves elephants．So Nami wrote her cousin an elephant story．Uncle Yuri collects coins(收集硬币)．So Nami made her uncle a large clay(陶土)coin．

Nami didn't know what to make for Aunt Hoshi! She didn't know what was special to her aunt．Nami went to find it out．

    First，Nami saw that Aunt Hoshi had a photo of a baseball player in her room．Next．Nami saw Aunt Hoshi's socks．They had small pictures of baseballs on them．Then，Nami saw Aunt Hoshi watching baseball on TV Nami knew what to do．

    At last．it was time for Nami to give the gifts．Everyone was happy when they saw their gifts．Aunt Hoshi jumped(跳)up when she got her gift．

    "Let's play baseball !"she called．Then the family went out and played late into the night．

根据材料内容选择最佳答案。

 回答下列问题：

（1）如图所示，向放有燃着蜡烛的烧杯中缓慢倾倒二氧化碳，观察到下层蜡烛先熄灭，上层蜡烛后熄灭，说明二氧化碳具有 ____的性质，由此可知二氧化碳的用途是 ____；

（2）用扇子扇煤炉火焰，不会熄灭，而是越扇越旺，原因是 ____（填字母，下同），用扇子扇蜡烛火焰，一扇就立即熄灭，原因是 ____．

A．空气流动可快速地提供燃烧所需的氧气

B．空气流动虽带走热量，但温度未降到着火点以下

C．主要是空气流动带走热量，温度降到着火点以下．

填入适当的词。

____的孩子         ____的阿姨          

 ____的狐狸         ____的画家