题目

Hello, I'm Kate. This is a photo of my aunt's family. The woman in the photo is my aunt, Jane. She is a teacher and she is very kind（善良）. These are my cousins Jeff and Jack. They are seven and they are twins. Look! That lovely baby is my aunt's little daughter, Rose. She is only one. I love them very much. （1） There are ________ people in the photo. A . three B . four C . five D . six （2） My aunt has ____. A . two daughters B . two sons and a daughter C . two daughters and a son D . only one son （3） Rose is my aunt's ____. A . son B . sist下列关于生物生殖和发育的叙述，正确的是（ ）A．鸟卵的胚盘一定能发育成雏鸟B．青蛙的肺发达，能完全适应陆地生活C．昆虫的生殖特点是体内受精、卵生D．嫁接、植物组织培养、试管婴儿、克隆羊均属于无性生殖