江苏省徐州市高中英语 U3 project学案 牛津译林版必修5.doc

备 课 时 间 上 课 时 间第 周 周 月 日备课人 _班级 节次 课题m5u3 project 2总课时数第 节教学目标1. to have a deep and clear understanding of gm food2. to deal with the key language points.教学重难点how to use these language points in practice.教学参考 reference books授课方法reading and practice 教学辅助手段多 媒 体不用专用教室不用教学过程设计教学二次备课step1: greetings and revisionhave students dictate the words in this part.step2: read the second passage and answer the following questions. 1. what are peoples different attitudes towards the study of genetics?(para 1)2. what are the two ways that an animal and a plant can be genetically modified?(para 2)3. what is the one aim of gm research talked about in the article?(para 3)4. what are the problems about gm food and gm plants? (para 4-5)5. what is many countries attitude towards gm food? why do they hold such attitude?(para 6) step 3: words and phrases1. _ vt.使惊吓，使惊恐_ adj.令人害怕的_adj.害怕的2. _ n.准许，批准_vt.准许，批准3.将插入_4.抵御害虫和疾病_5.提出问题_6.局限于_7.关于，根据_8.对有影响_have a dictationread the passage carefully and try to find the answers to the five questions.read the passage again and underline these words and phrases. make sentences with some important ones.教学过程设计教学二次备课9.犹豫做某事 _10.准许某人做某事_11.宁愿_12.对谨慎_step 4: important sentences1. nowhere _ this _ than with genetically food. 转基因食品就是最好的例子。1）nowhere truer than 是比较级与否定词连用表示最高级的意思no one in our class works harder than jack. (英译汉)_2) 否定词nowhere位于句首，用倒装语序eg: nowhere could i find a person to help me at that time.2. there are two ways _ _a plant or an animal can be genetically modified.3. research has been limited to _(increase)production profits, rather than _(make )sure that gm foods are safe.1) be limited to “局限于”，to为介词，后可接名词或动名词2) rather than “与其，不愿，不要，不是”相当于instead of, 连接increasing 和making两个动名词短语。4. gm food could therefore be dangerous _ _.6. no one knows _ _ the gm materials might _ _ the food chain.step 5: practicehave students finish the related exercises on the paper individually.complete these sentences.try to translate and analyze them bythemselves first, then listen to the teacher carefully, take notes if necess