快速启动的柴油发电机组，用于允许停电时间为( )以上的，需要驱动电动机且启动电流冲 发布时间：2019-06-05 03:51 │ 来源：www.tikuol.com 题型：单项选择题 问题： 快速启动的柴油发电机组，用于允许停电时间为( )以上的，需要驱动电动机且启动电流冲击负荷较大的特别重要负荷。A．10s B．15s C．20s D．25s
题型：单项选择题 完形填空 Tick, tick, tick! Good morning, Jim! It’s 6:30 now. It’s time 1 up. Do you know me? I’m your new friend. My name is Clock. Look 2 me. I have no feet (脚), 3 I can walk with my hands. I have no mouth, but I 4 speak to you. Now please listen to 5 . Today is Monday. You have many things to do. Classes 6 at 8:00. You have four classes in the morning and two classes in the afternoon. After 3:40 you have a basketball match 7 Class Two. You come 8 at 5:40. You have supper at 6:00. You 9 CCTV news at 7:00. And you go to bed at 9:30. Now please get up quickly and have your breakfast or (否则) you will be 10 .( )1. A. get ( )2. A. at ( )3. A. and ( )4. A. can't ( )5. A. I ( )6. A. begin ( )7. A. to ( )8. A. home ( )9. A. see ( )10. A. earlyB. gets B. for B. but B. mustn't B. my B. beginsB. with B. to homeB. read B. happyC. to get C. after C. so C. must C. mine C. beginningC. and C. your homeC. watch C. glad D. getting D. like D. or D. can D. me D. to begin D. for D. at home D. look at D. late 查看答案
题型：单项选择题 现修建一座既是中心对称图形又是轴对称图形的花坛，征集到设计方案有平行四边形、正三角形、等腰三角形、矩形、菱形、正方形等图案，你认为符合条件的有（ ）A．3个B．4个C．5个D．6个 查看答案
题型：单项选择题 在调查顾客对产品的需求时，调查表中“顾客所在地区”一栏用填写数字“1”、“2”、“3”、“4”来分别表示调查顾客所处的不同地区。请问在这里所测量出的数字“1”、“2”、“3”、“4”用的是哪一种测量尺度?（）A．定类尺度B．定序尺度C．定距尺度D．定比尺度 查看答案