Li Qiang is seeking a job and now he ishaving an interview with Ms. Chen. Listen to the conversation and choose thebest answer to each question you hear.
A. Tsinghua University.
B. Peking University.
C. Qingdao University.
D. Qinghai University.
2.
A technician.
B. A mechanic.
C. An engineer.
D. A director.
3.
A. He wants a raise in salary.
B. He doesn’t like his present employer.
C. He wants a growth opportunity.
D. He has to move to another city.
一点沿某一方向的正应力为零，则沿该方向的线应变也为零。
A. 对
B. 错
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