题目

任务型阅读 阅读下列短文,根据短文中的信息完成文后表格。在标有题号的横线上，写出空缺处所填单词的正确形式。（每空一词） Dear friend     My name is Erick. I am 12. My birthday is on October 12 th. I am from America. I’m in Class 3, Grade 7. We are learning Chinese in our school. Our Chinese teacher’s name is Wang Hao.     Here are some of my friends. Jimmy is tall and he has black hair. He is good at playing basketball. He is a member of the Basketball Club. May is short and she wears glasses and a yellow dress. She likes Eng（8分）右图是某高等生物细胞局部结构模式图，请分析回答： （1）请叙述判断该生物是动物的理由：                。（2）一般可认为该图细胞处在             时期，如果甲代表Y染色体，该细胞分裂后产生的子细胞名称是            。（3）图中有 ___个染色体组，该细胞在下一分裂时期中含有的染色单体数是     。（4）该生物体细胞中，染色体数最多有_________条。（5）如果图中结构3上某位点有基因B，结构4上相应位点的基因是b，发生这种变化的原因是             或         。