内外半径分别为R1和R2的球形电容器，中间填充介质的漏电电导率为γ，若在内外导体间施 发布时间：2017-12-31 07:52 │ 来源：www.tikuol.com 题型：单项选择题 问题： 内外半径分别为R1和R2的球形电容器，中间填充介质的漏电电导率为γ，若在内外导体间施加电压U0，则该电容器的漏电电流，为（）。A.B.C.D.
题型：单项选择题 完形填空 In a small village, there lived a potter(陶工)who had a donkey(驴). Every day his donkey would carry soil from the 1 to his house. Since the field was quite 2 off, the potter would rest under atree midway, 3 his donkey nearby. One day, the potter 4 to take the rope with which he tied the donkey every day. When he reached the 5 , he thought, "How do I tie this donkey today? He might 6 if I sleep." The potter decided to lie down holding the donkey's 7 while sleeping. But this way the donkey wasn't 8 nor was the potter able to take a good rest. A saint(圣人), who 9 to be passing by, saw the potter holding on to the donkey's ears. When the potter told the saint what the 10 was, he said, "Take the donkey to the place where you tie him every day. 11 totie him using an imaginary rope. He won't run away." The potter did what the saint had said. He left the donkey and went to take a 12 . When he woke up, to his 13 and relief, he found the donkey standing in the 14 place. Soon the potter prepared to leave for home. 15 the donkey didn't move. "What's wrong with the donkey?!" 16 the potter in frustration(懊恼). 17 , the potter saw the wise saint again. He ran up to the saint and told him about the donkey's 18 behavior. The saint said, "You tied up the donkey, but did you untie him? Go and pretend(假装)to untie the rope." The potter 19 the saint's advice. Now the donkey was ready to leave for home. The potter understood that donkey was a 20 donkey. The potter thanked the wise saint and went home happily with his donkey.( )1. A. factory ( )2. A. near ( )3. A. training ( )4. A. forgot ( )5. A. stone ( )6. A. set out ( )7. A. nose ( )8. A. dangerous ( )9. A. failed ( )10. A. animal ( )11. A. Believe ( )12. A. nap (小睡) ( )13. A. surprise ( )14. A. similar ( )15. A. And ( )16. A. laughed ( )17. A. Happily ( )18. A. funny ( )19. A. offered ( )20. A. bonded(被束缚的)B. gardenB. far B. leadingB. decidedB. treeB. run awayB. legsB. comfortableB. attemptedB. plantB. LearnB. mealB. angerB. specialB. But B. cheeredB. LuckilyB. foolishB. followedB. wiseC. field C. high C. feeding C. expected C. bridge C. give in C. tail C. grateful C. happened C. problem C. Wish C. breath C. disappointmentC. same C. Or C. WhisperedC. UnfortunatelyC. proper C. refused C. frightenedD. village D. low D. tying D. agreed D. house D. run out D. ears D. friendly D. managed D. result D. Pretend D. bath D. regret D. wrong D. So D. cried D. Badly D. strange D. recognized D. crazy 查看答案
