高中外研版 (2019)Unit 3 The world of science教案设计

这是一份高中外研版 (2019)Unit 3 The world of science教案设计，共5页。教案主要包含了设计意图等内容，欢迎下载使用。
本课时涉及的部分是语言知识运用，包括 Present perfect passive，Careers in science 和 Inventin stries三部分。
Present perfect passive部分讲解现在完成时的被动语态的结构及用法。
Careers in science部分介绍了几个不同时代、不同国家、不同领域的发明家，他们在各自的领域内做出了重大发明，推动了人类文明的进步。
Inventin stries部分主要介绍了阿尔茨海默病的有关情况以及一款帮助患者的智能鞋子的发明过程。
课时目标
1.掌握并记忆本课时的重点单词 beynd，significant，injure，accurate，species，cure以及短语 due t，alng with，be regarded as，the number f，学会在真实语境中灵活运用。
2.掌握现在完成时的被动语态的结构及用法。
3.通过阅读介绍不同领域的科学家以及他们的发明的文章，了解介绍人物的基本方法，并加深对该部分内容的理解，扩大知识面。
4.科学家在各自的领域里勤奋工作，甚至废寝忘食，引导学生学习科学家这种忘我的工作精神以及一心造福人类的高尚情怀。通过该部分的学习，了解更多关于发明家和发明的故事，倡导学生认真观察生活、了解实际需要并致力于努力学习，改善现有的生活，提高自己的科学素养，多一份社会责任和担当。
重点难点：
重点：
现在完成时的被动语态的含义、结构和用法。
难点：
辨别语境，分析句子表达的时间概念和语态，学会使用现在完成时的被动语态。
教学准备：
教师准备：
1.做好该部分内容的PPT和音频材料。
2.准备好有关科学家以及其发明故事的相关视频材料。
学生准备：
1.课前查找描写科学家的不同词汇和写作方式方法，并能用简短的英语描述不同领域的科学家。
2.上网查找含有现在完成时的被动语态的句子，体会其用法。
3.预习课本P29~31的内容，找出该部分的新词汇，并根据上下文猜测其含义。
教学过程：
Step I Grammar
Present perfect passive——现在完成时的被动语态
【备注】语法知识点讲解详见第二教案“重点语法精讲”。
1.Finish Activity 1 n Page 29 f the textbk.
2.Give enugh examples f the usages f present perfect passive.
（1）Our classrm has been cleaned. Yu needn’t clean it nw.
（2）The yung writer’s nvel has nt been punished yet.
（3）The child has been taken care f by Grandma these years.
（4）The huse has been built. We can mve in.
Guide students t sum up the usages f present perfect passive. Then ask students t give examples which they searched frm the Internet.
3.Finish Activity 2&3 n Page 29.
（1）Rewrite the underlined parts using the present perfect passive.
Keys：
①Many things in ur lives have already been affected by it.
②3D-printed hamburgers have been served by sme restaurants in Lndn t custmers.
③But perhaps the mst significant success that has been achieved t date by peple is in medicine.
④Human bdy parts，including a beating heart have been made with 3D printing technlgy.
⑤A new 3D-printed shell has been given by peple t a turtle injured in a frest fire.
（2）Ask students t imagine they are Dr Mre. Then lk at the pictures n Page 29 and tell the plice abut the damage and lss t their lab. Use the present perfect passive where apprpriate.
【备注】语法知识点讲解详见第二教案“重点语法精讲”。
Step Ⅱ Careers in science
1.Lk at the pictures n Page 30 and describe the scientists and their inventins in different fields.
2.Finish Activity 5 n Page 30. Pay attentin t the language that describes their careers.
Keys
1 astrnmer 2 bilgist 3 gegrapher 4 physicist
5 chemist 6 mathematician
Step Ⅲ Inventin stries
1.Read “Did Yu knw?” and learn abut things abut Alzheimer’s disease.
2.Finish Activity 7&8 n Page 31.
（1）Listen t the cnversatin and number the pictures in the crrect rder.
（2）Listen again and cmplete the ntes.
Keys:（略）
3.Finish Activity 9&10 n Page 31.
（1）Act ut the cnversatin abut the inventin f the telephne.
（2）Ask students t chse anther stry f an inventin they knw and have a similar cnversatin.
【设计意图】该部分学习基本按照课本设置的顺序来完成，由浅入深，逐层加深难度，锻炼了学生读、听、写、说的能力。通过读“Did Yu knw？”部分，了解阿尔茨海默病，然后通过听录音，先解决浅层的理解，再记录听力的要点，完成 Activity7和 Activity8。接下来是说的环节，通过语言输入，学生掌握相关词汇和句式，在此基础上做对话练习。整个环节内容不多，但环环相扣，遵循了语言的认知规律，设置科学、合理。
Step IV Summing up
总结现在完成时的被动语态的含义和用法，并注意该部分新学词汇的运用。
Step V Hmewrk
1. Give students sme examples t fill in the blanks with the present perfect passive.
2.Master the usages f the new vcabulary.
板书设计：
Unit 3 The wrld f science
Perid II Using language
I. Grammar
Present perfect passive：
（1）Our classrm has been cleaned. Yu needn’t clean it nw.
（2）The yung writer’s nvel has nt been punished yet.
（3）The child has been taken care f by Grandma these years.
（4）The huse has been built. We can mve in.
Ⅱ. Careers in science
1.Lk at the pictures n Page 30 and describe the scientists and their inventins in different fields.
2.Finish Activity 5 n Page 30. Pay attentin t the language that describes their careers.
Ⅲ. Inventin stries
1.Read “Did Yu knw?” and learn abut things abut Alzheimer’s disease.
2.Finish Activity 7&8 n Page 31.
3.Finish Activity 9&10 n Page 31.
IV. Sum up
V. Hmewrk