问题
单项选择题
动物细胞的无丝分裂中（）
A.一般是细胞核先延长，中部凹陷缢裂为两个细胞核
B.一般是整个细胞先延长，中部凹陷缢裂为两个细胞
C.有纺锤丝的出现
D.也有染色体的出现
答案
参考答案：A
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动物细胞的无丝分裂中（）
A.一般是细胞核先延长，中部凹陷缢裂为两个细胞核
B.一般是整个细胞先延长，中部凹陷缢裂为两个细胞
C.有纺锤丝的出现
D.也有染色体的出现
参考答案：A
Hello, I’m David. I’m a middle school student. It’s nice to meet you here. First, let me tell you __1___ about my family. There are five people in my __2___. They are my mother, my father, my sister, my brother and me. My father is a worker, and my mother is an English teacher. My sister is 18 and my brother is 16. I’m 14. we are ___3____the same school. We all enjoy ___4___football games. My __5___ is on West Street. There is a big tree and some small trees around my house. The big one is a pear tree and the small ones are apple ___6__, ___7__ there ___8__any pears or apples on them now. ____9___a photo of my house. In the photo, you can see three cats in my house. They are all black and white. We ___10___ them very much.
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