Professor Wilson has a speaking ______ for this weekend, so-he declined the invitation by
A. employment
B. enhancement
C. engagement
D. assignment
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喇叭形源于投资者的非理性,但在投资意愿不强、气氛低沉的市道中,也可能形成该形态。()
A. 正确
B. 错误
检测死锁能够有效地将进程从死锁状态下解脱下来。()
A. 正确
B. 错误
In my belief, some of the comments in the movie about the job market are actually ________
A. reflections
B. demonstrations
C. illuminations
D. reproductions
V形走势往往出现在市场剧烈波动之中,比较容易预测。()
A. 正确
B. 错误