题目

根据短文内容和所给中文提示，写出空白处各单词的正确形式。每空限填一词。  I am Jane from Australia. There are four people in my family. They are my father, my mother, my brother and me .My father is a worker on a _____1______(铁路) station and my mother is a teacher.We like____2___(享受) her English. My brother and I are students.  Tomorrow is Mother’s Day. I want to buy a present for my mother .What ___3_____(将要). I buy for her ? “What about these _______4______(衬衫)?”My brother says to me .Yes, I want to buy her a _____5_____(紫色的9．关于受精作用的叙述，错误的是（　　）A．受精卵中的DNA一半来自精子B．受精卵中的细胞质主要来自卵细胞C．受精卵中的染色体一半来自精子，一半来自卵细胞D．受精过程涉及细胞间的信息交流