题干
补全对话。
A：This is my family photo.
B：____
A：Nine
B：____
A：He is my father.
B：____
A：He is a doctor.
B：____
A：Yes, she is.
B：What does she do?
A：She is a teacher.
B：____
A：She works in Yucai Middle School.
A. Where does she work? B. How many people are there in your faimly? C. Is this your mother? D. Who is this man? E. What's your father? |
答案(点此获取答案解析）
B,D,E,C,A
与曲线
（
）有两个不同的公共点，则实数
的取值范围为
g．则它运动到最低点时，绳对球的拉力大小为 ( )