频敏变阻器铁芯由（）叠成，三相绕组接成星形。A.硅钢片； B.厚钢板和厚铸铁板； C 发布时间：2019-12-03 23:20 │ 来源：www.tikuol.com 题型：单项选择题 问题： 频敏变阻器铁芯由（）叠成，三相绕组接成星形。A.硅钢片；B.厚钢板和厚铸铁板；C.铝板；D.铜板。
题型：单项选择题 《礼记》有“天子为藉千亩”“天子亲耕于南郊，以供斋盛”的记载，《礼经》有仲春“后率外内命妇始蚕于北郊”的记载。汉朝以后逐步形成一种国家礼仪，皇帝和皇后常常在春季举行“藉田礼”和“亲蚕礼”。这表明[ ]A．统治者重视农业生产 B．统治者关心百姓疾苦 C．统治者常能与民同乐 D．统治者“以民为本” 查看答案
题型：单项选择题 完形填空 Game Anyone Can Play The most unhappy people live in their own little worlds of loneliness. They do very little for others and 1 have much fun. I heard of one man who was considered by the townspeople to be both 2 and simple. His simplicity earned him the reputation of a miser (守财奴). When he died, everyone 3 to find a lot of money in his home. But all they found were some 4 . It came out that he had used most of his money to help 5 needy young students through college. And the coins filled his 6 as he walked down the busy streets looking for 7 whose parking meters (停车收费计) had run out. When he found one, he 8 drop in a coin. One of his neighbors commented, "That explains why he looked so 9 !" Of course! People who are willing to 10 others will always be happy. When I lived in Denver. I decided to do the 11 thing. So whenever I parked on a busy 12 I noticed the parking meters around me. If one was running out, I Would put in a coin. Then I learned something 13 . It is illegal to do that in Denver! Once I learned that I was breaking the law, I quit looking for meters to feed. And I 14 an extra bit of joy. I have moved 15 from Denver now and I just might go back to feed an expired (到期的) meter from time to time. I don't know how the city government feels about my little 16 to drivers, but I do know how it feels to be unavoidably late 17 to a parked car, and worrying about whether the meter has run out. And if I have to look over my shoulder 18 I deposit a coin, then somehow I think that may be more fun! It can be a game: do something 19 and don't get caught! Everyone is allowed to 20 .( )1. A. merely ( )2. A. rich ( )3. A. prepared ( )4. A. jewels ( )5. A. put ( )6. A. baggage ( )7. A. cars ( )8. A. could ( )9. A. shabby ( )10. A. pity ( )11. A. strange ( )12. A. city ( )13. A. disturbing ( )14. A. got ( )15. A. along ( )16. A. gifts ( )17. A. getting ( )18. A. after ( )19. A. specific ( )20. A. ask B. likely B. poor B. waited B. coins B. pass B. wallets B. trucks B. would B. busy B. help B. proper B. path B. disgustingB. found B. away B. talents B. coming B. before B. bad B. say C. surely C. generous C. expected C. valuables C. go C. hands C. drivers C. might C. happy C. please C. same C. marketplace C. shocking C. lost C. in C. thoughts C. walking C. until C. good C. do D. rarely D. humorous D. tried D. treasure D. live D. pockets D. passengers D. should D. different D. serve D. funny D. street D. interesting D. felt D. on D. wishes D. returning D. unless D. ridiculous D. play 查看答案