直观教学能使学生对学习的知识形成清晰表象，因此，教学中直观教学手段用得越多越好。
A. 对
B. 错
[音频]What is the possible relationship between the two speakers?
A. Schoolmates.
B. Colleagues.
C. Boss and employee.
D. Interviewer and interviewee.
What do the speakers think of Bill?
A. He is lazy.
B. He is diligent.
C. He is stupid.
D. He is incompetent.
What will the speakers do to Bill?
A. They will report to the manager.
B. They will refuse to work with him.
C. They will ask the manager to fire him.
D. They will tolerate him.Conversation 2
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