8.Who is the girl in the photo?
A.Marv. B.Mary’s sister. C.Mary’s friend.
现在请听一段对话,完成第9至第10小题。
7.What’s wrong with the man?
A.He has a headache. B.He has a cold. C.He has a toothache.
现在请听一段对话,完成第8小题。
6.Where does the man want to go?
A.A bookstore. B.A park. C.A hospital.
现在请听一段对话,完成第7小题。
A.$60. B. $70 C. $80.
现在请听一段对话,完成第6小题
5.How much are the shoes?
两遍。(共14分,每小题1分)
现在请听一段对话,完成第5小题
66.
由正弦定理得: (12分)
最小,c最大. (10分)
(Ⅱ)即. (8分)