题目

下图是实验室制取氧气和二氧化碳的装置图，请根据要求回答问题：（1）写出图中带序号仪器的名称：①_____；②_____。（2）用B装置制取二氧化碳的化学方程式是：_____，收集二氧化碳的装置是：_____（填标号），检验二氧化碳是否收集满的方法是：_____。（3）用C装置制取氧气的化学方程式是_____。实验时，发现该装置中的反应十分剧烈，此时应进行的操作是_____（填标号）。a．控制液体的滴加速度 b．改用体积小的锥形瓶 c．用长颈漏斗代替分液漏斗I will never forget the year I was about twelve years old. My mother told us that we would not be  1 Christmas gifts because there was not enough money. I felt sad and thought, “What would I say when the other kids asked what I’d  2  ?” Just when I started to  3  that there would not be a Christmas that year, three women  4  at our house with gifts for all of us. For me they brought a doll. I felt such a sense of  5  that I would no longer have to be embarrassed when I returned to school. I wasn’t  6  . Somebody had thought enough of me to bring me a gift.  Years later, when I stood in the kitchen of my new house, thinking how I wanted to make my  7  Christmas there special and memorable, I  8  remembered the women’s visit. I decided that I wanted to create that same feeling of  9  for as many children as I could possibly reach. So I  10 a plan and gathered forty people from my company to help. We gathered about 125 orphans (孤儿) at the Christmas party. For every child, we wrapped colorful packages filled with toys, clothes, and school supplies,  11 with a child’s name. We wanted all of them to know they were special. Before I called out their names and handed them their gifts, I   12 them that they couldn’t open their presents until every child had come forward. Finally the   13 they had been waiting for came as I called out, “One, two, three. Open your presents!” As the children opened their packages, their faces beamed and their bright smiles   14 up the room. The   15  in the room was obvious, and it wasn’t just about toys. It was a feeling –the feeling I knew from that Christmas so long ago when the women came to visit. I wasn’t forgotten. Somebody thought of me. I matter. 小题1:A．sendingB．receivingC．makingD．exchanging小题2:A．foundB．preparedC．gotD．expected小题3:A．doubtB．hopeC．suggestD．accept小题4:A．broke inB．settled downC．turned upD．showed off小题5:A．reliefB．lossC．achievementD．justice小题6:A．blamedB．lovedC．forgottenD．affected小题7:A．presentB．firstC．recentD．previous小题8:A．hardlyB．instantlyC．regularlyD．occasionally小题9:A．strengthB．independenceC．importanceD．safety小题10:A．kept up withB．caught up withC．came up withD．put up with小题11:A．noneB．fewC．someD．each小题12:A．remindedB．guaranteedC．convincedD．promised小题13:A．chanceB．giftC．momentD．reward小题14:A．litB．tookC．burnedD．cheered小题15:A．atmosphereB．sympathyC．calmnessD．joy