（）是受教育者学习活动的前提。
A.学校
B.老师
C.教室
D.教育
参考答案：D
补全对话，每空一词
A: What’s that 1 ?
B: He’s my father?
A: 2 that woman?
B: 3 my mother.
A: 4 that your sister?
B: Yes, that’s right.
A: 5 her name?
B: Cathy.
A: How do you 6 it?
B: C-A-T-H-Y, Cathy.
A: 7 these her friends?
B: No, 8 aren’t.
A: 9 10 they?
B: They are my cousins.
淮海战役的胜利，奠定了（）的基础。
