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32.Career development (general)__________refers to personal efforts by an employee to learn and developnew skills.

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33. I am writing to convey my warm congratulations on your (appoint) _______to the head of the board.

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34. According to the report (publish)__________yesterday,more young people are pouring into the city tolook for a job.

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35. The contract won't come into effect until it (sign)___________by the legal representatives of both parties.

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规定输入构成三角形的3条边。采用等价类划分法，以下正确的是（）。

A. 无效等价类是“输入边数=3”，有效等价类是“输入边数<3”和“输入边数>3”

B. 有效等价类是“输入边数=3”，无效等价类是“输入边数<3”和“输入边数>3”
C. 有效等价类是“输入边数<3”和“输入边数=3”，无效等价类是“输入边数>3”
D. 有效等价类是“输入边数=3”和“输入边数>3”，无效等价类是“输入边数<3”

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