3、别忽视题干中 “混合物”、“化合物”、“单质”等限制条件。

2、书写化学方程式时，分清是等号还是可逆号，如一种盐水解方程式一定用可逆号不能用等号，其产物也不能标“↓”或“↑”，弱酸、弱碱的电离一定要用可逆号不能用等号。　　

1、排列顺序时，分清是“由大到小”还是“由小到大”，类似的，“由强到弱”，“由高到低”，等等。

第二节 书面表达(满分25分)

请看《中国日报》的报道： 　　 　The "illegal cooking oil" is usually made from discarded kitchen waste that has been refined, the report said, adding that the oil, which contains a highly toxic and carcinogenic substance called "aflatoxin", can cause cancer. 该报告称，“地沟油”通常使用餐厨垃圾提炼而成，成分中含有的黄曲霉素毒性很强，可致癌。

使用illegal cooking oil已成为餐饮行业的open secret(公开的秘密)。国家药监局近日发布紧急通知，要求严防“地沟油”流入餐饮服务环节，对于违反单位，情节严重的将吊销其餐饮服务许可证。

　　　 请你就此谈论你读了该新闻的感受。要求：词数120左右，行文连贯，

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第一节　　 短文改错(共10小题；每小题1分，满分10分)

　　　　 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10初语言错误，每句中最多有两处。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾(√)如有错误(每行只有一个错误)，则按下列情况改正：

　　　　 删除：把多余的词用斜线(\)划掉，在该行右边横线上写出该词，并也用斜线划掉。

　　　　 增加：在缺词处加一个漏字符合(^)，在该行右边横线上写出该加的词。

　　　　 修改：在错的词下划-横线，在该行右边横线上写出改正后的词。

　　　　 注意：1.每处错误及其修改均仅限一词；

　　　　　 2.至允许修改10处，多者(从第11处起)不计分。

Dear Mr. Johnson,

I’ve learned from a newspaper that some clerks are wanting in your company. I am eager to being one of them. So I am writing the letter. My name is zhang Hua. I was born in the Hebei Province and I am in good health. I’ve just graduated in the Computer Department of Wuhan University. I did very good in all subjects and I am especial good at computer studies and English. I can read science books in English and doing some writing in English as well.

Beside, I know a little French. And in my spare time, I enjoy playing basketball. As is said that your company is very famous and I’ll very glad if you let me work for it. My telephone number is 027-89276628．I am looking forward to hearing from you soon.