Objectives Students will be able to: 1. understand the main idea (Bill Porter the salesman will never give in) and structure of the text (4 parts, 2 flashbacks); 2. appreciate the characteristics of journalistic writing; 3. grasp the key language points and grammatical structures in the text;

3.2.1 锻造 3.2.2 冲压 3.2.3 轧制（自学） 3.2.4 挤压（自学） 3.2.5 其它塑性成形方法（自学）

Students will be able to: 1. understand the main idea and structure of the text; 2. appreciate how the repeated use of clues helps weave a piece of narration together; 3. grasp the key language points and grammatical structure in the text

第一节 天然饮水中的细菌及其分布 第二节 水中的病原细菌 第三节 大肠菌群和生活饮用水标准

Students will be able to 1. understand the main idea and the structure of the text. 2 earn to memorize words in association 3. grasp the key language points and grammatical structures in the text 4. conduct a series of reading, listening speaking and writing activities related to the theme of the unit

violent crimes robbery, aggravated assault hijack forcible rape, murder, bombing kidnapping, shooting a Property crimes arson, burglary, larceny-theft, fraud, motor/ vehicle theft Neighborhood Watch in Britain, there is an arrangement by which people who live in a particular

And so even though we face the difficulties of today and tomorrow, I still hay a dream. It is a dream deeply rooted in American dream. I have dream that one day this nation will rise up and live out the true meaning of

1. grasp the main idea( tolerance for solitude and energy made it possible for the writer s family to enjoy their pleasant but sometimes harsh country life.) 2. appreciate the various techniques employed by the writer comparison and contrast, topic sentences followed by detail sentences

数字签名的简介 基于RSA数字签名 基于离散对数数字签名 ElGamal数字签名 Schnorr数字签名 DSA数字签名 基于ECC数字签名

3.1运输问题的典例和数学模型 一、典例: 某食品公司经营糖果业务,公司下设三个工厂A1、A2、A3,四个销售门市部B1、B2、B3、B4。已知每天各自的生产量、销售量及调运时的单位运输费用情况。问:如何调运可使总费用最小?