题目内容

二次型的标准形不是唯一的,但是标准形中所含项数是确定的.

A. 对
B. 错

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设有4个作业同时到达，每个作业执行时间均为2h，它们在一台处理器上按单道方式运行，则平均周转时间为（）

A. 1h
B. 5h
C. 2.5h
D. 8h

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After reading Text B, finish the following multiple choices.Choose the best answer to each of the following.How many people does the author say have tried stepping out of their comfort zone?

A. Ninety-eight percent.
B. The great majority.
C. A very small percentage.
D. About half.

Your journey through higher education will________.

A. put you to the test constantly
B. damage your nerves
C. certainly help develop your ability
D. solve your life's puzzles