IX 阅读短文，选择正确的答案。
I'm Liu Xin. My father is an office worker. My mother is a nurse. They are busy. My brother, my sister and I often do some chores at home. I often sweep the floor and water the flowers. My brother can clean the room. My sister can cook dinner and do the dishes（洗碗）. We are all helpful（有帮助的）. We love our family.
（
A
）1. What is the job of Liu Xin's father?
A. （办公人员图片） B. （农民图片） C. （警察图片）
（
B
）2. What can Liu Xin do?
A. （洗菜图片） B. （浇花图片） C. （洗碗图片）
（
B
）3. Who can cook dinner and do the dishes?
A. Liu Xin. B. Liu Xin's sister. C. Liu Xin's brother.
（
A
）4. Are these children helpful?
A. Yes, they are. B. No, they aren't. C. We don't know.
（
C
）5. How many people are there in Liu Xin's family?
A. Three. B. Four. C. Five.
