高中英语人教版选择性必修第三册UNIT4USINGLANGUAGE学案.docx

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1、Unit 4 Using Language 学案【本课目标】L掌握本课时出现的重点单词、短语和句型。2.通过对教材课文的阅读,在课文的具体情境中猜测词义,推测词性,了解重要词汇的基本用法。【课文研读】Task 1: Fast ReadingThe text mainly tells us that .Task 2: Careful ReadingI Judge the following statements true (T) or false (F).()1.They got stuck on the island for about five months.()2. For the gro

2、up members, it was boring to eat the same meals day after day.()3. Many of them became ill because of the extremely cold weather.()4. Though in difficulties, they still kept positive and optimistic.()5. The best reward for their perseverance was going home and reunited with their family and friends.

3、II Read the text and then choose the best answer.()1. Why did they feel alone and desperate on the Elephant Island?A. Something unexpected happened to Shackleton and his boat.B. They didn t have water and food to survive.C. They can t seek any help from others.D. They got stuck in a difficult situat

4、ion and they were worried whether the help could come.()2. Which of the following statements is NOT true according to the text?A. They could make fire by burning trees on Antarctica.B. A good dinner and some music could cheer them up on the Elephant Island.C. Sea animals were their only source of fo

5、od.D. The temperatures changed frequently on Antarctica.()3. On the island they faced many struggles EXCEPT.A. lack of foodstrong windsB. changing weatherD.sea creaturesTask 3: Study-readingWhat if they were delayed?【句式分析】What if？倘若怎么办？句意翻译It was almost as dangerous to become too hot from wearing to

6、o many clothes as to become too cold from wearing too few. 【句式分析】to become too hot from wearing too many clothes （穿太多衣服变得太热）和 to become too cold from wearing too few （穿太少衣服变得太冷）进行比较;asas同一样”。句意翻译When we were finally rescued, we felt such relief and joy that many of us could not hide our tears.【句式分析】

7、such,that如此以至于句意翻译【自主学习】1. give off 放出（热、光、气味或气体）（课本 P44）This gave off oily, black smoke, but it stayed burning even in strong winds.它会放出有油的、黑色的烟,但是就算在强风中,它也能保持一直燃烧。give away颁发，分发；泄露（秘密）；赠送give up 放弃；交此让出；认输give in （to sb）（向某人）屈服，让步give out用完;分发；公布;停止运行give back归还;送回；使恢复give way to 向让步；被代替【练一练】（1）Th

8、ose flowers look pretty but don t give off a nice smell.这些花看似漂亮，但是气味并不好。（2）This milk must be bad, for it is giving off a nasty smell.这个牛奶一定变质了，因为它散发出一种令人恶心的气味。短语填空People much more by their gestures than by their words.Bicycles are environmentally friendly because they won t waste gas.Faced with diff

9、iculties, they neverbut try their best to find a way out.The truck refused to the car, so they caused an accident.(4)完成句子If plastic and rubber are burnt,.如果塑料和橡胶被焚，它们就会放出有毒的气体。2. commitment/?, (a promise to do sth or to behave in a particular way; the willingness to work hard and give you energy and

10、 time to a job or an activity)承诺；保证；奉献 (课本 P45)And he paid us back by his commitment to save us from a slow but painful death,并且他以他拯救我们免于缓慢而痛苦的死亡的承诺回报了我们。(l)make a commitment to 对做出承诺commitment to sb/sth 奉献/投入(2)commit v.犯(罪或错等)；承诺，保证commit oneself to (doing) sth 作出决定；致力于，献身于(做)某事be committed to (do

11、ing) sth 专注于(做)某事(3)committed adj. 尽心尽力的；坚信的；坚定的温馨提示commit oneself to (doing) sth表示“专心致志于”，to是介词，后接名词、代词或动名词。【练一练】(l)The hospital has made a commitment to provide the best possible medical care. 这家医院已经做出承诺要提供最好的医疗服务。(2)They are looking for someone with a real sense of commitment to the job.他们正在找一个对这

12、项工作有献身精神的人。(3)The government must commit itself to improving health care.fThe government must be committed to improving health care.政府必须致力于改善医疗保健服务。(4)单句填空This development area is committed to(create) a perfect investment environment.The company, s (commit) to providing quality at reasonable prices

13、has been vital to its success.完成句子(当你对一个孩子做出承诺时)，you have got to stick to it.In recent years, the community (致力于创造一个更好的环境)for us to live, to work and to enjoy life.【句型分析】(课本P44) What if they were delayed?如果他们被耽搁了怎么办？What if-?【句式点拨】What if？”常用来提出假设、建议、邀请、要求等，意为“倘使将会怎样/如果将会 怎样？”后面经常跟一般现在时,有时根据语境判断也可以跟

14、虚拟语气。【相关拓展】(l)How come？怎么会?/怎么回事？(2)How/What about?怎么样？(3) What for?为什么/为何？(4)So what?那又怎么样？(5)Why not？为什么不?【练一练】(1)What if I can t understand the local people when I get to America?我到美国的时候要是听不懂当地人说话怎么办呢？(2)How come she had a car accident?She was always careful.她平常都是很谨慎的，怎么会出车祸呢？完成句子I don t like to have you go boating in such weather.(要是暴风雨来了怎么办)？Tomorrow will be sunny.(去谷山野餐怎么样)？Bob is a man of the world;(为什么不去听听他的建议呢)？