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Unit2 Topic3 Section A精品学案
Learning aims: 1.掌握本课词汇和句型。
2学习由连词or，but,and和while连接的复合句。3.从“减量、再使用和再循环”的角度谈论保护环境。
Key & difficult points: 1学习由连词，and，but,and和while连接的复合句。2复习与环保有关的词汇与表达自我的观点。
Teaching &Learning Method : revision, discuion, pair work, group work Teaching Procedures Step
1Lead in Do you know how these kinds of pollution affect our environment? What should we do to improve our environment? Step 2 Learn the new words 1.根据音标试读单词
2.Read after the teachers and students.3.Read in pairs and recite the words.4.Check the words.Step 3.Listen to 1a and answer the question:(1)Who is working for an organization that protects the environment? Step 4.Read 1a in different
ways 1.Read 1a after the teacher.2.Read 1a after students.3.Read 1a with your partner.4.Role-play.Show time Step5.Read1a again and fill in the blanks.Finnish 1band 1c.Then check the answers.Step6.key points(Make sentences with the phrases.)1.为一个组织工作 2.帮助传播信息 3.例如 4.减少人为的浪费 5.使用纸的两面 6.塑料袋/瓶 7.鼓励某人做某事 8.以便于 9.不用谢（5）10.环境保护 11.a few+__________,a little+__________ Step 7 阅读2中的每个小题的两个句子，根据句意判断其中的逻辑关系，并按要求用连词合并成一个句子。
思考：由and，but，or和while等并列连词连接的两个或多个简单句称为并列句。表示句子之间的并列、选择、转折关系等。其中and表示_______关系；but表________关系；or表示______关系，while表示________关系.用or，and，but或while填空。
1.I like singing_______my sister likes dancing 2.Work hard_______your dream will come true.3． Be careful，_______you＇ll break that vase（花瓶）4.At first he was a little shy,______now he acts more naturally.5.Almost two fifths of the students in the school are boys____the rest are boys.Step 8.Summary Step 9.Exercise 用括号中所给单词的适当形式填空。
1.My main job is__________(help)these children learn English well.2.You'd better give up__________(smoke).3.Tom nods his head to show his___________(agree)4.The students are having a cla meeting to talk about the environment__________(protect)5.---Would you like to go on a picnic with us this Sunday?-----I’d love to, but I have to get my parents’_______first.A.agreement B.surprise C.offer D.share 6.---How______ Lisa deal with so many________?------She will ask the workers to recycle them.A cans;cans B can: cans C cans;can D can: can 7.My sister helps me a lot She often encourages me______English.A study B studying C to study D studies 8.ー I failed my driving test again.-----Don't______.Keep trying and you’ll pa it A put up B.give up C tidy up
D.look up Aignment Finish Section A in your workbook.
