听第10段材料，回答第17至20题。

17.What does the woman tell us about her mother's early childhood?

　A.Her parents left Chicago to work on a farm.

　B.Her parents loved the urban environment.

　C.Her parents left for America to live in.

18.What do we learn about the woman's father?

　A.He taught English in Chicago.

　B.He was crippled in a car accident.

　C.He worked to become an executive.

19.What did the woman's mother do after she married.

　A. A housewife. B. A secretary. C. A model.

20.What does the woman say about her mother?

　A.She was fond of living an isolated life.

　B.She was very generous in offering help.

　C.She was highly devoted to her family.

第二部分：阅读理解（共20题；每小题2分，满分40分）

第一节：阅读理解（共15题；每小题2分，满分30分）

阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上填写答案。

A couple had a son eleven years after they married. They were a loving couple and the boy was the apple of their eye. When the boy was around four years old, one day the father was exhausted after work so he asked his wife to pick up their son. The mother, who was very busy in the kitchen, totally forgot about it.

Later the boy lost his way on the street. When the son was found missing, the mother hurried to look for him, but she didn't find him. The mother felt very sad and didn't know how to face her husband.

When the father went to the police station after hearing that the son was missing, he looked at his wife and said just four words. What do you think the four words were?