问题
填空题
发电机进相运行是指发电机_________的稳定运行状态,其定子电流相位_________定子电压相位。
答案
参考答案:发出有功而吸收无功,超前
发电机进相运行是指发电机_________的稳定运行状态,其定子电流相位_________定子电压相位。
参考答案:发出有功而吸收无功,超前
完形填空。 | |||
Summer holidays came.Little Thomas was very 1 .His father said he was going to 2 him and his sister and his mother to China.The boy had been to many 3 and taken photos there.He often 4 them to his friends.But he saw the Great Wall,the Palace Museum and Summer Palace only on 5 . So he borrowed some geography books.He tried to find China's Beijing and Shanghai in the 6 .He studied carefully what foods were 7 in those cities.He hoped to have a good time there. The boy 8 much time on that and couldn't listen to his teachers carefully in classes. Sometimes he 9 he was travelling in Beijing.He had no time to go over his lessons.So he fell 10 others and failed in the exams.Mrs Smith who taugh him maths called him in her 11 and told him to be a good student.He promised(许诺),but soon he 12 it.The woman had to tell his mother about it on the telephone this morning. "Aren't you 13 of yourself,Thomas?You're the worst pupil in your 14 ."said the mother. "What does it have to do with me?The worst one was yesterday transferred(转学)to 15 school."he answered. | |||
( )1. A. sad ( )2. A. carry ( )3. A. villages ( )4. A. sent ( )5. A. pictures ( )6. A. TV ( )7. A. color ( )8. A. spent ( )9. A. went ( )10. A. behind ( )11. A. bedroom ( )12. A. copied ( )13. A. glad ( )14. A. class ( )15. A. a better | B. sorry B. take B. mountains B. showed B. maps B. maps B. expensive B. paid B. stopped B. off B. office B. found B. interested B. family B. the other | C. happy C. send C. forests C. told C. photos C.VCD C. cheap C. saved C. dreamed C. over C. kitchen C .remembered C. shy C. team C. another | D. worried D. drive D. countries D. gave D. stamps D. radio D. delicious D. waited D. continued D. around D. library D. forgot D. afraid D. row D. a higher |