根据短文内容，选择最佳答案。
B
    Hello! My name is Kate. This is my bag. It's a nice bag, right? It is from my mother.
    What's in my bag? A ruler is in it. And the ruler is white. It's not mine. It's Lily's. Lily is my sister. She likes white but I don't. Two pencils are in it, too. One is red and the other is blue. They are mine. Look, a nice watch is in it. The watch is white and blue. It's mine and it's from my father. A notebook is in my bag, too. The notebook is yellow and blue. Is this notebook mine? No, it's Anna's. Anna is my cousin. She likes yellow and blue very much.

根据要求用原文填空。

①《十一月四日风雨大作》中，表明作者身闲志不闲，壮志不移的语句是：____，____。

②《十一月四日风雨大作》一诗中由现实转入梦境，表现作者对统治者的统治隐隐担忧和收复失地、统一祖国的强烈愿望的诗句是：____，____。

图为某生态系统食物网简图，请据图回答问题。

有的青少年染上不良嗜好甚至走上违法犯罪的道路，起因往往是（    ）

囊性纤维化（CF)是美国白人中常见的单基因遗传病，每2500个人中就有一个患者。下图是该病的家系图，如果Ⅲ-3号与一个表现正常的男性结婚，子女囊性纤维化的概率约是(    )