请听第7段材料，回答第9至11题。

第9题：What is the purpose of this talk?

A． To talk about the exam

B． To introduce a professor

C． To explain the arrangement

[单选题]请听第9段材料，回答15至17题。第15题：Why does the woman come to the man?A． To greet himB． To ask for informationC． To talk about the neighbors

[单选题]听第9段材料，回答第13至l6题。第13题：What is a daypack?A．A box.B．A bag.C．A lock.

[单选题]听第9段材料，回答 13～16 题第13题：What is a daypack ？（ ）A．A boxB．A bagC．A lock

[单选题]听第9段材料，回答 13～16 题。第13题：What is a daypackA．A box.B．A bag.C．A lock.

[单选题]请听第8段材料，回答第12至14题。第12题：Where is the man going?A． To a police stationB． To a repair shopC． To a book store

[单选题]听第9材料，回答 13～16 题。第13题：What is a daypack?A． A box.B．A bag.C．A lock.

[单选题]听第7段材料，回答第8、9题。第8题：Why doesn’t the woman take the green T-shirt?A．It’s too small．B．It’s too dark．C．It’s too expensive．

[单选题]听第7段材料，回答第 8～9 题。第8题：Why doesn’t the woman take the green T-shirt?A．It’s too small.B．It’t too cark.C．It’s too expensive.

[单选题]听第6段材料，回答第6、7题。第6题：What is the man doing?A．Changing seats on the plane.B．Asking for a window seat.C．Trying to find his seat.

[单选题]听第6段材料，回答第 6～7 题。第6题：What is the man doing?A．Changing seats on the plane.B．Asking for a window seat.C．Trying to find his seat.