骶结节韧带位于：A．骶骨与坐骨棘之间 B．骶骨与闭孔之间 C．骶骨与尾骨之间 D．骶 发布时间：2018-07-17 23:57 │ 来源：www.tikuol.com 题型：单项选择题 问题： 骶结节韧带位于：A．骶骨与坐骨棘之间B．骶骨与闭孔之间C．骶骨与尾骨之间D．骶骨与坐骨结节之间E．骶骨与耻骨联合
题型：单项选择题 不定项选择物体A和B在光滑的水平面上相向运动，它们的初动能之比EkA：EkB = 4：1，两者相遇后发生正碰。它们在碰撞的过程中，动能同时减小到零，又同时增大，最后两者反向运动，则两物体的质量之比mA：mB为（ ）A．1：1 B．4：1 C．1：4 D．1：16 查看答案
题型：单项选择题 完形填空。 One night last summer, my neighbor Debbie came over and knocked on my door. "I'm leaving for 1 , Jim," she said. "Would you mind dropping by my house a bit and 2 on my mother?" "Not a problem," I said. I'd lived next door to Debbie and her 84-year-old 3 , Nan, for about six months, and we'd become fast friends. Debbie always worked at night. She 4 leaving her mom alone, so she asked if it was okay if she riggedup (装配) one of those baby monitors and 5 me a receiver. I was 6 to help. After all, I've been blind since infancy and out of work for years. In fact, at 54, I'd cometo wonder if I had much 7 anymore. Like me, Nan was 8 -and was also hard of hearing. That evening Nan and I chatted for a bit 9 . "If you're okay," I said, "I think I'll go back." Before I 10 , I made sure the baby monitor was working. "Good night, Nan," I said. I 11 my cane and headed out of the door. "See you tomorrow," Nan called behindme. I locked the door and 12 my way home. Several minutes 13 , I heard a sound. It was Nan on the 14 . "Jim! Jim!" I heard over the monitor. "The house is 15 ! Help!" I went as 16 as I could to Debbie's. I got to the front door. I could 17 a heavy, thick smoke. I put my handon the doorknob, and reached for my key and 18 the door. "Here, Jim. Help!" Her voice was weak. "Let's get out of here!" I shouted. Grabbing her hand, I started to move on. I tapped with my cane 19 we found the front door. We felt our way down the steps, 20 in the sweet, fresh summer air, and to the gate of heryard. "Thank you, Lord. We're all safe." ( )1. A.play ( )2. A.checking ( )3. A.father ( )4. A.thoughtabout ( )5. A.sold ( )6. A.sorry ( )7. A.value ( )8. A.deaf ( )9. A.long before ( )10. A.left ( )11. A.set up ( )12. A. moved ( )13. A.instead ( )14. A.neighbor ( )15. A.on fire ( )16. A. fast ( )17. A.see ( )18. A.unlocked ( )19. A.before ( )20. A.showing B. study B. taking B. mother B. worried about B. bought B. sorrowful B. price B. old B. before long B. stayed B. put up B. pushed B. later B. receiver B. in trouble B. slowly B. feel B. shut B. after B. noticing C. game C. putting C. sister C. cared for C. brought C. glad C. money C. wise C. once again C. talked C. picked up C. wound C. then C. worker C. in danger C. safely C. taste C. broke C. until C. losing D. work D. keeping D. brother D. looked for D. gave D. upset D. service D. blind D. as usual D. chatted D. took up D. found D. ago D. speaker D. on sale D. well D. smell D. knocked D. since D. breathing 查看答案