Lecture Listening
Directions：In this section，you will hear a lecture.At the end of the lecture，you will hear some questions.Both the lecture and the questions will be spoken only once.After you hear a question，you must choose the best answer from the four choices marked A，B，C and D.
★Glossary
1）critical［ˈkrɪtɪkl］adj.极为重要的
2）foudation［faʊnˈdeʃən］n.基础
3）mentor［ˈmɛntɔr］n.导师
4）abandon［əˈb æ ndən］v.放弃
5）siren［ˈsaɪrən］n.警报
1）A.Because they have serious behavioral problems.
B.Because many of them today are teenage parents.
C.Because they are giving up their responsibilities.
D.Because they are acting as coaches and mentors.
2）A.More than two thirds of all black children.(https://www.daowen.com)
B.More than half of all black children.
C.More than one forth of all black children.
D.More than one third of all black children.
3）A.The courage to raise a child.
B.The ability to have a respectable profession.
C.The ability to have a child.
D.The courage to fight bravely against poverty.
4）A.The importance of families.
B.Different roles of fathers.
C.The responsibility of fathers.
D.The foundations of families.