3、防止金属身锈的方法 (1) (2) (3)
自行车防锈的措施 (1) (2) (3)
2、铁生锈的原因
影响铁生锈的因素
1、化学方程式(1)铁在氧气中燃烧 (2)铝在氧气中燃烧
3、实验室CO还原Fe2O3的化学方程式
实验现象：
尾气处理方法
1、铁矿石的种类：赤铁矿石主要成分 (化学式)磁铁矿石主要成分
菱铁矿石主要成分FeCO3 黄铁矿石主要成分FeS2
2\铁的冶炼 (1)原理：在高温下利用焦碳与氧气反应生成 把铁从它的铁矿石中冶炼。
(2)原料：铁矿石、焦碳、石灰石、空气
灯泡中的钨丝利用金属 金项链利用金属
2、合金属于 物
第二节 (2010·全国II)短文改错(共10小题；每小题1.5分，满分15分)
此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在答题卡相应的位置上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：
此行多一个词：把多余的词写在答题卡相应的位置上，用斜线(\)划掉。
此行缺一个词：在答题卡相应的位置上写出该加的词，并附带前(后)词。
此行错一个词：在答题卡相应的位置上写出该错词和改正后的词。
注意：原行没有错的不要改。
Christie was one of my best friend at high school. 76.
At that time, we often spend time together. 77.
Thank to her help, I made great progress in my 78.
study. Last year, she decided to study abroad. In 79.
other words, we would be separated for long time. 80.
Before her leaving off, I prepared a gift to show 81.
my best whishes to him. She said it was the best 82.
gift she has ever had. From then on, we’ve 83.
kept touch with each other through e-mails. I 84.
look forward to see her again in the near future. 85.
第一节 单词拼写(共10小题；每小题1分，满分 10分)
根据下列句子及所给汉语注释，在答题卡相应的位置上写出空缺处各单词的正确形式。(每空只写一词)
66. It’s no use _____(后悔) what you have done.
67. When building____(材料) cost more, the price of houses increases.
68. The Spring Festival is the most important Chinese_____(传统的) festival.
69. _______(园艺) is an activity which can help keep people healthy.
70. Please put two ________(勺) of sugar into the coffee.
71. There are perhaps two main _________(结论) to be drawn for the above discussion.
72. _______(十月) 1st this year is the 60th anniversary of our country.
73. It ______(有希望) to be fine tomorrow.
74. She _____ (折叠) up the letter and put it in her pocket.
75. The Bird’s Nest has become an______ (景点), which draws thousands of visitors every day.