题目

已知A是一种红棕色金属氧化物，B、D是常见的金属单质，J是一种难溶于水的白色化合物，受热后容易发生分解。 （1） 写出下列物质的化学名称：A：I：J：G： （2） 写出C→I的离子方程式：。 （3） 写出F→G实验现象：。 （4） 将一定量A和C混合物溶于100mL稀硫酸中，向反应后的溶液中缓慢加入NaOH溶液，加入NaOH溶液的体积与生成沉淀的质量关系如图所示，试回答： ①混合物中含A的质量为； ②所用硫酸溶液物质的量浓度为。配对阅读 左栏是对5个人想参加的活动的描述，右栏是7个活动的简介，请为每一个人选择最适合参加的1项活动，有两项是多余的。并将答题卡上对应的选项涂黑。41. Susan is looking for a house to rent. It doesn’t matter how old and how expensive it is.42. Kitty is fed up with daily life—working, working and working. So she wants to do some sightseeing(观光).43. Cara is poor, but she likes dancing very much.44. Tom is able to lift and carry heavy things, but he is jobless.45. Nick enjoys staying in water. Cool! And he is very interested in swimming.A. WELCOME TO OUR DANCE CLUB Good teachers. Free dancing lessons, a different lesson every week. Bring your favorite CDs. Every Saturday evening.B. SWIMMING LESSON FOR STUDENTS Newquay Training Centre. Big and clean swimming pool. People without healthy cards(卡) are not allowed in. July 8—14.C. WORK WANTED Strong boy pleased, to work in a garden or do housework 3 hours a week, see Jim, Tel: 6983621.D. CAR SALE American-made car, half new, not very expensive. Charlie Li 26 6254213. Or email: cceews 126.com.E. HOUSE TO RENT Older house in city center. One bedroom and one kitchen, convenient to the supermarket and the cinema. $501/month, Tel: 323-0187.F. BABY-SITTER Needed baby-sitter, $5 an hour, speak good Chinese, middle Aged, Ann, 2659874.G. RELAXING TOUR Green trees, beautiful sunshine, clean and fresh air. Sit with friends in the boats, enjoying beautiful sights.1.__________2.__________3.__________4.__________5.__________ 1.E 2.G 3.A 4.C 5.B 【解析】本题为信息匹配题。先了解5个人想参加的活动，在弄明白7个活动的意思及要求。然后为每一个人选择最适合参加的1项活动。 1. 句意：苏珊正在找一所房子出租。不管它有多大，多贵。E项的意思是：市中心的老房子，一间卧室和一间厨房，有超市和电影院，生活方便。501美元每月。故选E。 2.句意：基蒂厌倦了日常生活——工作...