高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle教学设计

这是一份高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle教学设计，共7页。
主题语境：人与自我
主题群：生活与学习
子主题：健康的生活方式
语篇类型：文本、练习
文本分析：
[What]本节课包括三部分：第一部分识别所给句子中动词不定式并分析其意义和功能。第二部分是根据词汇的意思，先用动词不定式组成一个完整的句子，然后再组句成段。第三部分在单元主题语境下用动词短语的适当形式补全句子。
[Why]在本单元主题语境中复习动词不定式作主语的用法。
[Hw]本课以例句示范、完成句子、补全句子的形式，使学生识别动词不定式作主语的特征，练习动词不定式作主语的用法，在主题语境中学习语法，在语法学习的过程中加深对主题意义的理解。
课时目标
1. 能正确判断和运用动词不定式作主语的特征和意义。
2. 准确把握动词不定式作主语的几种特殊形式。
3. 能掌握动词不定式作主语在具体语境中的使用。
重点难点
重点：
动词不定式作主语的特征和具体用法。
难点：
动词不定式作主语的几种特殊形式。
教学准备
教师准备：
动词不定式作主语的练习题。
学生准备：
复习动词不定式作主语的用法。
教学过程
Step I学习理解
活动一：感知与注意
1. Ask students t lk at the fllwing sentences and pay attentin t the italicised infinitives. Have them wrk in pairs t discuss their meanings and functins.
Suggested answer:
The infinitive in each sentence functins as the subject f the sentence.
2. Ask students t find mre infinitives in the reading passage, and tell their meanings and functins.
Suggested answers:
① can be easy fr sme f them t frm bad habits.
②After all, it is nt easy t break bad habits.
【备注】语法知识点讲解详见第二教案“重点语法精讲”。
【设计意图】利用课文中的句子导入动词不定式作主语的用法，使学生初步感知动词不定式作主语的基本特征。
Step II应用实践
活动二：单句语法填空
Suggested answers:
①t get ②arguing ③f ④t prepare ⑤t keep ⑥waiting
⑦t hld ⑧t learn ⑨cming ⑩f
活动三：选择填空
Suggested answers:
①～⑤CDADB ⑥～⑩CAAAC
活动四：完成句子
Suggested answers:
①it is implite f yu t ask
②It’s ur duty t defend
③It tk me half an hur
④Hw t get rid f pllutin
⑤Whether t build anther tunnel
⑥Hw t make effective use f slar energy
【设计意图】通过单句语法填空﹑选择填空和完成句子，让学生在练习中感受、理解动词不定式作主语的基本用法。
Step III迁移创新
活动五：情境应用
1. Make full sentences.
(1) Ask students t jin the wrds t make full sentences using the infinitives.
①imprtant/ avid/ passive cigarette smking
②will take/ nutritin specialist/ a balanced diet menu/ make/ an hur/ fr yu
③useful/ turn t/ fitness cnsultant/ fr advice
④illegal/ dangerus/ take/ drugs
⑤harmful/ skip breakfast/ ften
Suggested answers:
①It is imprtant t avid passive cigarette smking.
②It will take an hur fr a nutritin specialist t make a balanced diet menu fr yu.
③It is useful t turn t a fitness cnsultant fr advice.
④It is dangerus t take illegal drugs.
⑤It is harmful t skip breakfast (t) ften.
(2) Have students jin the sentences that they made t make a paragraph.
Suggested answer:
T get healthy and get rid f bad habits, smetimes it is als a gd idea t get prfessinal help. It will take an hur fr a nutritin specialist t make a balanced diet menu fr yu. It is als useful t turn t a fitness cnsultant fr advice.
Yu can als help yurself with sme cmmnsense. Fr example, it is harmful t skip breakfast t ften. It is imprtant t avid passive cigarette smking. And, f curse, it is dangerus t take illegal drugs t.
2. Ask students t cmplete the cnversatins with the crrect frms f the phrases in the bx.
Suggested answers:
①be in cntrl f
②decide n
③begin with
④making chices; made up my mind
板书设计
①T change bad habits is never easy.
②It tk the surgen three hurs t finish my mther’s lung surgery.
③T jin the Peple’s Liberatin Army, it is required fr men t shave ff their beards.
④It was nt plite t disturb yur neighburs with lud music last night.
①It tk us abut tw hurs ________ (get) there that day.
②It is n use ________ (argue) with him, fr he is s stubbrn.
③It is flish ________ yu t take a taxi t the twn in that situatin.
④It is imprtant fr her ________ (prepare) fr the examinatin.
⑤It’s ur duty ________ (keep) ur envirnment clean and tidy.
⑥It is n gd ________ (wait) here fr a lng time.
⑦Whether ________ (hld) a party this weekend hasn’t been knwn yet.
⑧It’s difficult fr me ________ (learn) hw t drive.
⑨It is n use ________ (cme) here.
⑩It is implite ________ yu t break the dr.
①Is ________ necessary t cmplete the design befre Natinal Day?
A. this
B. that
C.it
D. he
②Is ________ pssible t fly t the mn in a spaceship?
A. this
B. there
C. that
D. it
③________ will d yu gd t d sme exercise every mrning.
A. It
B. There
C. Thse
D. One
④It’s imprtant ________ yu ________ walk after supper.
A. f; t
B. fr; f
C. t; t
D. fr; t
⑤It’s very kind ________ yu ________help me.
A. t; f
B. f; t
C. fr; t
D. t; t
⑥It always takes me 20 minutes ________ t schl.
A. g
B. ging
C. t g
D. went
⑦It is ur duty ________ natural resurces.
A. t prtect
B. prtected
C. prtecting
D. prtect
⑧It tk Janet three hurs ________ reading this interesting stry.
A. t finish
B. finished
C. finishing
D. finished
⑨It is nice ________ yur vice.
A. t hear
B. hear
C. heard
D. t be hearing
⑩It is meaningful fr us ________ anyne wh is in truble.
A. help
B. helping
C. t help
D. helped
①I dn’t think ________________ (你问……是不礼貌的) hw lng the interview will last.
②________________ (保卫……是我们的职责) the cuntry against its enemies.
③________________ (……花了我半个小时) t wash the clthes.
④________________ (怎样消除污染)in Shanghai is nt an easy prblem t deal with.
⑤________________ (是否要再建一条隧道) under the Huangpu River will be discussed at the meeting tmrrw.
⑥________________ (如何有效利用太阳能)is ne f the ways t save energy.
begin with, be in cntrl f, make a chice, decide n, make up ne’s mind
①A: Hell, dctr. I want t lse weight, but 1 just can’t seem t d it. What can yu d t help me?
B: Well, first, it’s necessary t ________________ what yu eat. Cut ut all fatty fd and sugary drinks, and eat mre fruit and vegetables.
②A: I really need t ________________ a way t exercise mre. I culd use a fitness app, but my phne’s full.
B: S delete a few files. I’m sure the app desn’t take up much space.
③A: Befre exercising，always d a few warm-ups t
B: I knw. But then I always feel t tired t cntinue!
④A: Shuld I g fr the pizza r the fried chicken? I hate ________________ like these. Yu knw what—I’m ging t eat bth!
B: Ww! Dn’t eat t much junk fd—yu’ll get fat. I’ve actually ________________ t g n a diet, s I’ll just stick t the fruit salad.
Unit 2 Healthy Lifestyle
Perid III Learning Abut Language (2)
Ⅰ. 学习理解
活动一：感知与注意
Ⅱ. 应用实践
活动二：单句语法填空
活动三：选择填空
活动四：完成句子
Ⅲ. 迁移创新
活动五：情境应用