A.Traffic | B.Smoking |
C.Depression | D.Study |
A.medical care | B.nutritious food |
C.physical health | D.sports activities |
A.have a humorous talk to children about sex |
B.tell children stories about the animal world |
C.give a formal expert education to children |
D.deliver lectures to children on sex diseases |
A.teach their children to behave well |
B.prepare their children for a new term |
C.educate their children after school |
D.train their children for special ability |