为了降低触头之间恢复电压的上升速度和防止出现振荡过电压，有时在断路器触头间加装（）（ 发布时间：2019-01-15 09:49 │ 来源：www.tikuol.com 题型：单项选择题 问题： 为了降低触头之间恢复电压的上升速度和防止出现振荡过电压，有时在断路器触头间加装（）（A）均压电容（B）并联电阻（C）并联电感（D）串联电阻
题型：单项选择题 完形填空根据短文大意，从各题所给的选项中选择可以填入空白处的最佳选项。将其代号填入题前括号内。 The great ship, the Titanic, sailed for New York from England on April 12th, 1912. The ship had sixteen watertight compartments (密封舱). Even if two of them were broken, she would 1 be able to stay on the water. Four days after 2 , while the Titanic was sailing 3 the icy waters of the North Atlantic, a huge ice mountain suddenly appeared. The great ship turned hard. The Titanic turned just in time, and just missed the big 4 of ice beside her. Suddenly there was a trembling (颤抖的) 5 from below and the captain went down to see what had 6 . The noise had been so weak that 7 thought the ship had been broken. But the captain 8 that the ship was sinking (下沉) very quickly, for five of the sixteen watertight compartments had already been broken! The order (命令) to 9 the ship was given and hundreds of people jumped into the icy water. As there were not enough lifeboats for everybody, 1,500 lives were 10 . Although the sad story has been so many years, people still remember it clearly.( )1. A. not ( )2. A. breaking( )3. A. through ( )4. A. wall( )5. A. voice ( )6. A. received( )7. A. everyone( )8. A. realized( )9. A. keep ( )10. A. lived B. yet B. finding B. above B. groundB. soundB. stoppedB. anyoneB. rememberedB. leave B. savedC. never C. startingC. across C. windowC. shout C. happenedC. nobody C. asked C. buy C. lost D. still D. turning D. under D. door D. cry D. left D. anybody D. forgot D. sell D. found 查看答案
题型：单项选择题 某企业施工时使用自有模板，已知一次使用量为600m2，模板价格为12元/m2，若周转次数为5，补损率为8%，施工损耗为10%，支、拆、运输费为420元，则模板费为（）元。A．1054.26B．1562.42C．1782.24D．1978.46 查看答案