中考综合素质评价设置“体育与健康”考试，可促进学生平时加强锻炼、增强体质、全面发展．下面是与“体育与健康”考试有关的一些问题，请结合相关生物学知识分析回答．

    AMERICA'S first daughters, Malia and Sasha, are excited about getting a pet dog. But their father, President Obama, has told the girls they have to pick up the poop(狗粪)1the grass. It's true. Keeping a dog  2 lots of other work besides(除…之外) picking up the poop. For example, you'd better know3the dog goes to bed and how it lives happily. It means you have to know the animals'4 and be ready.

    Li Hui, 15, of Beijing, once kept a rabbit and some goldfish.5 all of them died. "My rabbit ate the wrong food," said Li. "My6 died because they ate too much!"

    Xiao Ting, 15, of Shanghai, wanted to keep a dog a year ago. She got food and a new doghouse ready to 7 the dog, but she only kept the dog for one day. "I 8 thought a dog could be so active. It wouldn't stop barking(吠). My father had to walk9 at 3 o'clock in the morning!"

    "You'd better think it is like your10." said Liu Yining, a11 Beijinger. She is a (an)12 pet keeper. Her family has kept a dog named Pipi for three years.13 Pipi first came to Liu's home, it made her house dirty everywhere. It took a long time to teach Pipi to go to the toilet. She talks and plays with Pipi a lot. She really 14Pipi.

    15 a pet means you have to be patient and caring.

武后时，官员张衡在市场购买食品受到御史的弹劾。唐德宗时，宰相刘宴入朝时在路旁购买胡饼吃，群僚对此豪不奇怪。这反映出唐朝（    ）

如图所示的家庭电路中，闭合开关后灯泡不亮。用试电笔检测插座的两孔，发现只有插入右孔时氖管才发光。用试电笔检测A点氖管发光，检测B点氖管不发光。发生这一现象的原因可能是（   ）

  美国时间2014年9月19日，中国互联网巨头阿里巴巴正式在纽约交易所挂牌交易，股票代码为BABA。据此回答下列问题。