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能通过语境猜测词义，扫清阅读障碍。
能谈论和表达与本文相关材料的话题。
3. Emotional aims:
引导学生关注社会问题和社会服务，为社会主义的发展作出努力。
4. Culture awareness:
了解世界各国存在的社会问题，分析产生的原因和导致的结果，关注各国政府就这个问题采取的应对措施，从而拓展学生的国际视野。
Ⅲ. The key points and difficult points
1. Key points:
Words and phrases: basic, human, value, period, whatever, steal, support, shelter, homelessness, earn, drug, mental, on purpose, effect, phrase, according, context, laborer, cruel, basic needs, a short period of, one place to another, in a shelter, mental illness, on purpose, think of …as…
2. Difficult points：
口头报告和书面写作时，能有意识地使用“cause and effect”来组织段落。
Ⅳ. Learning strategies
通过归纳总结的方法，找出文章主题和段落大意。
通过语言环境，掌握通过猜测词义和扫清阅读障碍的学习策略。
引导学生就不同的问题讨论、交流观点，培养学习英语的自信。
Ⅴ. Teaching aids
单词卡片（如base/ basic; human, value/ valuable etc.）；幻灯片；能反映学生家乡今昔变化的图片或照片等。
Ⅵ. Teaching procedures
1．Greet and hold a competition between boys and girls: Let the boys make a sentence by using the simple past tense and ask the girls to change the sentence into the present perfect tense. Then they do it in reverse.
T: Good morning, boys and girls, we have learned the differences between the present perfect tense and the simple past tense last period. Now let’s have a competition. First, boys make a new sentence in the simple past tense and then girls change it into the present perfect tense as quickly as you can. Are you ready?
Ss: Yes!
S1: I came here last year.
S2: I have been here for one year/since last year
（通过造句和改句的竞赛方式，让学生巩固一般过去时和现在完成时的用法。）
2．Play a part of the movie of cruel wars about Nanjing Massacre, and then lead the Ss to talk about their feelings.
T: Let’s watch a part of the movie about Nanjing Massacre. Then discuss your feelings.
…
T: What do you think of it?
S1:It’s very “残酷”.
T: Right. It’s cruel. What’s your opinion?