11、
A.Finding a climbing partner.
B.Increasing upper-body strength.
C.Selecting the appropriate equipment.
D.Discussing popular climbing sites.
12、Conversation Two.
听材料,回答下列各题:
A.He can't find his office key.
B.He is unable to talk.
C.He has misplaced some exams.
D.He doesn't like his classroom.
13、
A.Mark the latest homework assignment.
B.Make an appointment with the doctor.
C.Put a cancellation notice on the classroom door.
D.Return exam papers to his students.
14、
A.Teach Don's class while he's absent.
B.Give Professor Webster the key to Don's office.
C.Leave a message on the board in Don's classroom.
D.Bring Don the homework that was due that day.
15、
A.To give Don's students the next assignment.
B.To leave the master key for Don
C.To put the homework on Don's desk.
D.To call Don at the end of the afternoon.