题目

1. I've read all the books__________you gave me. 2. There isn't much _______I can do. 3. He keeps a record of everything _________  he had seen there. 4. Tell us about the people and the places _______ are different from ours. 5. Mr John said that Suzhou was the first city  _______he had visited in China. 6. Last Sunday they reached Qingdao,________a conference was to be held. 7. I began to work in Beijing in the year ________ New China was founded. 8. This is the very film______ I've long wished to see. 9 .The house__________we live is not big. 10. My neighbours used to give me a 一氧化碳还原氧化铁的装置如图（B中盛有澄清的石灰水），回答问题．（1）写出A中发生反应的化学方程式．________（2）C装置的作用是________（3）为探究锌、铁、铜的活动性顺序，某同学设计了一组实验：①锌片浸入稀硫酸中 ②铜片浸入稀硫酸中 ③锌片浸入硫酸亚铁溶液请补充一个实验来证明三种金属活动性顺序（写出实验步骤、现象）________．结论：锌、铁、铜的活泼性顺序为．