家鸽卵中含有细胞核结构的部位是（ ）
A：卵白
B：卵黄
C：胚盘
D：系带
Hello ! My name is LiQiang . There are four people in my family . My father is a worker . My mother is a farmer . My little sister is a pupil. I am a pupil , too . We are in the same school .
为报倾城随太守，____，____。
名著导读。 成功的花，/人们只惊羡她现时的明艳！/然而当初她的芽儿，/浸透了奋斗的泪泉，/洒遍了牺牲的血雨。
—________is the price of your father’s computer?
—6, 800 yuan.
