某动物的某细胞内含10条染色体、10个DNA分子，且细胞膜开始缢缩，则该细胞  (　　)

我国南北铁路干线除了京哈—京广线、京沪线、宝成—成昆线外，还有 （　　）

根据短文内容填空。

   Jane White is an American girl. She is fifteen. She is a middle school student. Her father is Bill White and her mother is Joan White. Her brother, Bob, is a student, too. He is in a black coat and Jane is in a red sweater.