题目

如图所示是实验室制取气体的常用装置。请回答下列问题。 （1） 仪器m的名称是。 （2） 实验室用A装置作为制取氧气的发生装置，欲收集一瓶较纯净的氧气，还需要选择的装置或仪器有（填装置序号）。 （3） 如图是进行“铁丝在氧气中燃烧的性质实验”时的几种操作，更能提高实验成功率的方式是（填序号），该反应的化学方程式为。 （4） 实验室用石灰石和稀盐酸制取二氧化碳，反应的化学方程式是；如装置F所示，将收完形填空 　　“Fire! Fire!”What terrible words to hear when one wakes up in a strange house in the middle of night! It was a large, old 1 house and my room was on the top floor. I jumped out of bed, 2 the door and stepped out into the passage. It was 3 of thick smoke.　　 　　I began to 4 , but as I was still only half-awake, instead of 5 the stairs I went in the opposite direction. The smoke grew thicker and I could 6 flames all around. The floor became 7 under my bare feet. I found 8 door and ran into a room to get to the window. But before I could reach it, one of my feet 9 in something soft and I fell down. The thing I had fell over felt 10 a bundle of clothes, and I 11 to protect my face from the smoke and heat. Just then the floor 12 way under me and I crashed to the floor below with pieces of burning wood all around me.　　 　　I saw a flaming doorway in front, put 13 over my face and ran. My feet burned me terribly, but I got through. As I reached the cold air outside, my bundle of clothes 14 a thin cry, I nearly dropped it in my 15 . Then I saw a crowd gathered in the street.　　 　　A woman is a night-dress and 16 coat screamed as she saw me and came running 17 .　　 　　“My baby! My baby!” She cried. The crowd 18 wildly as she took the smoke-blackened bundle out of my arms. I had some difficulty in 19 her. She was the Mayor's wife, and had 20 her baby. I was a hero.　　 　　 1．　　 [　　]　　 　　 　　 　　 A．wooden 　　 　　 B．brick 　　 　　 C．stone 　　 　　 D．earth　　 　　 　　 　　 　　 2．　　 [　　]　　 　　 　　 　　 A．covered 　　 　　 B．shut 　　 　　 C．opened 　　 　　 D．turned　　 　　 　　 　　 　　 3．　　 [　　]　　 　　 　　 　　 A．empty 　　 　　 B．filled 　　 　　 C．full 　　 　　 D．short　　 　　 　　 　　 　　 4．　　 [　　]　　 　　 　　 　　 A．climb 　　 　　 B．sleep 　　 　　 C．get up 　　 　　 D．run　　 　　 　　 　　 　　 5．　　 [　　]　　 　　 　　A．going towards 　　B．climbing up 　　C．going down 　　D．leaving 6． [　　] A．smell B．see C．watch D．give 7． [　　] A．hot B．warm C．cool D．cold 8． [　　] A．a burning B．a shut C．an open D．closed 9． [　　] A．felt B．caught C．fell D．struggled 10． [　　] A．as B．like C．as if D．with 11． [　　] 　　A．found it 　　B．threw it away 　　C．opened it 　　D．picked it up 12． [　　] A．was a B．held C．gave D．pushed 13． [　　] A．the bundle B．a piece of wood C．the blame D．some water 14． [　　] A．let B．found C．heard D．shouted 15． [　　] A．sorrow B．joy C．surprise D．satisfaction 16． [　　] A．a borrowed man's B．a man borrowed C．a borrowing man's D．a man's lent 17． [　　] A．happily B．madly C．wildly D．eagerly 18． [　　] A．ran away B．cried C．cheered D．laughed 19． [　　] A．finding B．reaching C．recognizing D．helping 20． [　　] A．saved B．helped C．seen D．lost