（）原则的作用为：对从员工监督、建议等来源的数据和信息进行分析，可指导人力资源方针的 发布时间：2019-02-05 20:26 │ 来源：www.tikuol.com 题型：单项选择题 问题： （）原则的作用为：对从员工监督、建议等来源的数据和信息进行分析，可指导人力资源方针的制定。A、领导作用B、系统管理C、基于事实的决策方法D、过程方法
题型：单项选择题 补全对话。从对话后的方框中选出能完成对话的选项，有两项为多余选项。 A: Tom! It's eight o'clock. (1) B: OK. Could you find my shoes for me. Mom? A: Here they are in the box under the desk. B: (2) A: It's time for breakfast. There are three eggs and some milk on the table. B: Sorry. Mom. (3) Could you put them in my school bag? A: Why? (4) B: I'm going to school,I'm late. A: (5) B: Oh, it's Saturday.I don't go to school on Saturday. A. Thank you. Mom. B. What are you doing? C. I'm going to be late for school. D. But don't you know what day it is today? E. It's time to get up. F. It's time to go to bed. G. Where are you going? 查看答案
题型：单项选择题 如图所示，R3＝6 Ω，电源内阻r为1 Ω，当S合上且R2为2 Ω时，电源的总功率为16 W，而电源的输出功率为12 W，灯泡正常发光，求：(1)电灯的电阻及功率；(2)S断开时，为使灯泡正常发光，R2的阻值应调到多少欧？ 查看答案
