题型：问答题 简答题 完形填空。 A 12-year-old boy saw something in a shop window that set his heart racing.But the price-five dollars-was far beyond Reuben Earle's wealth.Five dollars would buy almost a week's groceries for his family. But hearing the sound of hammering from a side street, Reuben had an idea. He ran towards the 1 and stopped at a construction site.People built their own homes in Bay Roberts, using nails _2_ in hessian sacks(麻袋)from a local factory.Sometimes the sacks were _3_, and Reuben knew he could sell them back to the 4_ for five cents a piece. Back home, he looked at his mother Dora and _5_.Sunlight from the window gilded her shoulder-length blonde hair.Slim and beautiful, she was the center of the home, the glue that held it together. Every day after school, Reuben walked down the town, _6_ the hessian nail bags.On the day the school closed for the summer, no student was more 7 than Reuben.Now he would have more time for his _8_.Then one day the _9_ had come. Reuben ran down Water Street to the store."Please, Mister.I have to sell the sacks now." The man took the sacks, 10 his pocket and put four coins in Reuben's hand.Reuben murmured (小声说)a thank you and 11 , home. When he got home.Reuben 12 the tin can.He poured the coins out and began to 13 . He had enough. Then, he headed for the shop, "I have the 14 ," he told the owner. The man went to the window and took out Reuben's 15 . He wiped the dust off and gently wrapped it in brown paper.Then he placed it in Reuben's hands. Racing home, Reuben _16_ the front door."Here, Mum! Here'." He placed a small box in her work-roughened hands. She 17 it carefully. A jewel box appeared.Dora lifted the cover, 18 beginning to blur (模糊) her vision. Dora had never received such a 19 ; she had no jewellery except her wedding ring. 20 ,she smiled and gathered her son into her arms.( )1. A. window ( )2. A. purchased ( )3. A. taken apart ( )4. A. people ( )5. A. wept ( )6. A. collecting ( )7. A. disappointed ( )8. A. mother ( )9. A. challenge ( )10. A. searched for( )11. A. ran ( )12. A. sought ( )13. A. laugh ( )14. A. jewel ( )15. A. treasure ( )16. A. got in ( )17. A. opened ( )18. A. tears ( )19. A. celebration ( )20. A. Thankful B. Sound B. produced B. seta side B. site B. hesitated B. selling B. delighted B. schedule B. possibility B. reached intoB. walked B. buried B. count B. box B. coins B. slid into B. unwrapped B. fog B. wish B. Breathless C. store C. delivered C. sorted out C. factory C. smiled C. recycling C. determined C. burden C. time C. glanced throughC. left C. broke C. judge C. money C. present C. squeezed out C. unfolded C. dust C. gift C. Unexpected D. school D. packed D. thrown away D. shop D. murmured D. carrying D. devoted D. mission D. opportunity D. stared at D. arrived D. uncovered D. observe D. ring D. sacks D. burst throughD. fastened D. sunlight D. blessing D. Speechless 查看答案
题型：问答题 简答题 对脑脊液的正确描述是（）A.脑脊液是细胞内液B.不同年龄阶段，脑脊液的量可有不同C.脑脊液中纤维蛋白原增加时可形成薄膜D.蛛网膜下腔陈旧性出血时，脑脊液离心后上清液呈红色E.正常情况下，补体、抗体均不能通过脉络丛 查看答案