新仁爱版九年级上册英语Unit2 Topic3 SectionB 学案(无答案）

Unit2 Topic3 SectionB 精品学案 教学目标 1. 驾驭四会词汇 ought to , electricity , distance, cloth, action, , shut off, after all. 2. 语音学习连读、不完全爆破。 3. 学习祈使句的表达及用法。 4. 综合复习所学环保词汇用法及表达自我观点与建议的句型。 5. 从身边的小事做起，师生一起爱护环境，做一个环保人。 教学重点1.祈使句的表达及用法。 2.能够运用本课所学的表达自我观点，提出建议等交际功能的基本表达法进行沟通。 教学难点.综合复习所学环保词汇用法及表达自我观点与建议的句型。 课前预习 1. 预习本课的单词和短语，大声朗读并熟记。 2.预读1a，找出重点短语句型。 a greener person ________________ ought to _________ shut off ___________ 代替__________ 节约能源_____________ 削减空气污染___________________ 说起来简单做起来难___________________ 行动胜于雄辩___________________ 3. 快速阅读1a的短文，回答问题，并熟记答案。 What should we do to be a greener person 1 __________________________________ 2 __________________________________ 3 ___________________________________ 4. 大声朗读1a, 完成1c表格，并依据表格试着复数1a的对话。 5. 翻译2中所给的单词和短语，再完成方框中的句子，然后细致视察2中的图片，说出图片所表达的含义并将它们与其对应的英语句子相匹配。 预习指导 1. ought to 情态动词无人称和时态改变后接动词原形。可表示责任、义务。意为“应当应当”。 e.g. 我们应当对人有礼貌。We_____ _____be polite to others. We ________be polite to others. should 它的否定式为ought not to do sth. 或oughtn’t to do sth. 不应当做某事。 E.g. 我们不应当扔垃圾。 We ______ _______throw rubbish about. We _________throw rubbish about. 2. 巩固提建议的句子You’d better do sth Don’t do sth. 3. save energy 节能 4. 学习两个谚语句子  Easier said than done. 说起来简单做起来难。 ‚ Actions speak louder than words. 行动胜于言辞。 take actions to do sth. 实行行动、实行措施。 5. travel a short distance 短途旅行。 6. turn off 关上（灯、水龙头、电视等），类似的词有turn on/up/down。 E.g. Turn off the TV, the baby is sleeping. 译_________________________________ 7. sort the garbage 把垃圾分类。 教学过程 预习展示 1. Check the students have read the new words and expresses, get several students to real them aloud, other students correct. 2. Listen to 1a, finish 1b. 3. Read 1a aloud and complete the table in 1c. 4. In groups read 1a together and then ask several pairs of students to act it out. 5. Try to retell 1a according to 1c. 合作学习展示 1. Group work in group translate the verbs or phrase in part 2, then choose the correct of them to complete the statements. 2. Read the passage and fill in the blanks with the correct words. 巩固落实 1. Discussion Work in group and survey your group members about what they do to be greener people. Then report it to your class. 2. Read the sentences aloud ,pay attention to the stress, liaison, in completion and intonation 检测训练 1. 单词拼法 1. Don’t use _______塑料bags. 2. He______猜想that he was dead. 3. Could I ask you a few ________问题 4. Please _______摇动your head if you don’t agree. 5. I have something_________重要to tell you. 6. We should ______削减 air pollution. 7. Everyone should _______节约energy. 2. 完成句子 1. You____________ ____________应当be polite to the old. 2 ____________ _____________务必 you go to bed early tonight. 3. You’d better walk or ride a bike __________ ____________代替taking a bus or a taxi. 4. Our class will __________ ____