云南省陇川县第一中学高一英语Unit4Astronomy教学设计二

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1、云南省陇川县第一中学高一英语Unit4 Astronomy教学设计（二）Grammar (Learning about language and Using language)一、Teaching content1. Practice giving instructions.2. Learn to use Noun Clauses as the subject.二、Important words and phrases1. die out 熄灭；灭绝die away 逐渐消失、平息die from由于.而死（外因）die of 由于.而死(内因)2. block out 挡住（光线）；）blo

2、ck up 阻塞，堵塞block off （用障碍物）隔开block in草拟（计划、大纲等），画出（略图）3. crash (into/onto/through/to) v. 撞击（某物）发出声响；突然倒下Eg. The plane crashed into the mountain.4. cheer up 感到高兴；感到振奋cheer sb. up 使某人高兴；使某人振奋cheer on 为加油cheer sb. 为某人喝彩with good cheer 欣然地Cheers! 干杯！祝你健康！(用于祝酒)eg. _ Cheer_ _ up_！ The news isnt too bad.振

3、作一点吧！也不是什么太坏的消息。5break out (战争、灾难、瘟疫等)突发；爆发(无被动语态)The Second World War broke out in September 1939.“二战”是1939年9月爆发的。A fire broke out in the neighborhood last night.昨晚居民区里发生了火灾。拓展：break away from 脱离(政党等)；打破(陈套等)break down 出故障，抛锚；(计划等)失败；(身体、精神等)垮掉；打倒，砸破；(化合物等)分解break in 破门而入；闯入；打断(话语等)break into 破门而入，

4、突然起来break off 折断；突然中止，断绝，结束break through 突破break up 打碎，拆散；散开，解散；(学校)期末放假，(集会)结束break into pieces 成为碎片Eg. 介、副词填空(1)She started to speak, then broke _off_ while a waitress served us with coffee.(2)He lost his job and his marriage broke _up_.(3)Her health broke _down_ under the pressure of work.(4)Shou

5、ld another world war break _out_， what would become of human beings?6watch out 注意；当心watch out(for) look out (for) 密切注意；留神take care 留神，注意be careful 仔细，留神watch it 当心，小心watch over 照看；看守keep a close watch/eye on 密切注视Eg. (1)_ watch _ _ out_！ There is a car coming! 当心！有车来了！三、Some useful expressions（finish

6、 the sentences）Please look at/ listen to. Please check that. You need.Please pay attention to. Dont forget to. Youd better.Make sure you. Watch out for. You mustnt.practise ( Speaking on page 31)What do you need if you travel to the moon?Sample:S1: Lets think about what we would need to protect our

7、skin if we visited the Moon.S2: Id take some skin cream. That works very well when we go to the sea.S3: Yes, but its going to be much too hot to put cream on your skin on the Moon.S4: Whats more you get direct heat from the sun. There are no clouds on the Moon to protect you.S3: Oh dear, and I also

8、have to carry oxygen around with me everywhere because theres no oxygen on the Moon.S2: Why dont we carry the oxygen on our backs in a tank?S1: Good idea, but wont that hurt our skin?S4: I think it will. Why dont we wear a spacesuit which has the possibility of protecting your skin and helping you c

9、arry the oxygen very easily?S1: A very good idea. We also need some sunglasses as the sun will be as bad for our eyes as for our skin.S3: Thats right. The helmet of the suit can have sunglasses you can use.S2: How will the suit protect our skin?S4: Its so hot there so I suggest we design suit that c

10、an supply cold water so the wearer feels cool and hot water to warm us if we feel cold.S2: Great! So I wont need sun cream after all. Thats good!四、Grammar pointsStep 1 Observation请观察下列句子，注意划线部分句子的意义及用法。1. What surprised me most was that the little girl could play the violin so well.2. Who will go to

11、 the concert is not known.3. That she was chosen made us very happy.4. Whether she will come or not is still a question.5. Which book they will choose is still unknown.6. When we shall hold our sports meet is not decided.7. Its strange that he knows nothing about it.8. It is a pity that she has made

12、 such a mistake.9. It is said that President Jingo will visit our school next week.Step2 Summarize(一) 引导主语从句的词有连词that, whether；连接代词who, whose, whom, whoever, what, which等；连接副词where, when, whenever, wherever, how, why等。（二）语序主语从句使用陈述语序，其通常结构为“引导词 + 主语 + 谓语 + 其他成分”；但当连接代词同时充当从句主语时，其结构为“连接代词 + 谓语 + 其他成分

13、”，如句1、2。（三）引导词 that引导主语从句时无词义，也不充当任何成分，但通常不可以省略，如句3； whether引导主语从句时意为“是否”，通常不能用if来代替,如句4； 可以引导主语从句的连接代词主要有：who, whom, whose, what, which, whatever, whoever等，如句5； 可以引导主语从句的连接副词主要有：where, when, how, why等，如句6。（四）常见句型有时为避免句子头重脚轻，常用it作形式主语，代替主语从句放在句首，而把主语从句置于句末。常用句型如下： It + be + 形容词 + that 从句， 如句7; It +

14、be + 名词 + that 从句， 如句8; It + be + 动词的过去分词 + that 从句， 如句9。Step 3 PracticeI. 用适当的词填空，使句子意思完整。1. _ he didnt attend the meeting yesterday wasnt quite clear.2. The Foreign Minister said, “It is our hope _ the two sides will work towards peace.”3. _ team will win the match is still unknown.4. _ comes to t

15、he party will receive a present.5. _ Mary has left is still a question.6. Its reported _ three people were killed in the accident and five were hurt badly.7. _ he solved the problem successfully interested all of us.8. We usually think _ we cant get seems better than what we have.9. It is a fact _ E

16、nglish is being accepted as an international language.10. _ is to be sent there to solve the problem hasnt been decided.II. 下列各句中均有一处错误，请改正。1. That the old mans son wanted to know was where the gold had been hidden.2. It is reported when China has successfully sent Shenzhou VI spaceship into space.3

17、. If he can finish his task on time is of great importance.4. Whether the 2020 Olympic Games will be held in Beijing excited the whole nation.5. After Yang Liwei succeeded in circling the earth, which our astronauts desire to do is walk in space.6. Whatever leaves the room last ought to turn off the

18、 lights.7. Why they will solve the serious problem today has not been decided.8. When will win the English competition is still a problem.9. How our spring sports meet will be held or not this week is not known yet.10. Its strange when he should have gone away without telling us.Key:I 1. Why 2. that

19、 3. Which 4. Whoever5. Whether 6. that 7. How 8. what9. that 10. WhoII 1. That What2. when that3. If Whether 4. Whether That5. which what6. Whatever Whoever7. Why How 8. When Who9. How Whether 10. when that五、Dictationpull spaceship puzzle in ones turn gravity gentle block out climatecrash cheer up f

20、loat cabin now that break out watch out existthus lay eggs give birth to prevent.from六、Listening practice （40 minutes for each week）七、Writing请根据下列提示，以“How I Overcome Difficulties in Learning English”为题，写一篇120字的英语短文。你是怎样克服困难学好英语的？你在英语学习中有哪些困难？你是如何克服这些困难的？要想写好这类作文，我们需要注意以下几点：1存在的困难。在短文的第一段就应该写出 “我”在英语

21、学习中存在的问题，比如受家乡话发音的影响，鼻音“n”和非鼻音“l”不分；记忆力差，很难扩大词汇量；阅读速度慢，不能在规定的时间内把试题做完等。2采取的措施。在第二段中，要简单说明“我”是如何克服这些困难的。如通过勤学苦练，尝试其它不同的学习方法，或者向老师、同学等寻求帮助等等。3说明的方法。我们可运用举例说明法，把学习中的困难和解决的办法列出来。4心得与体会。唐僧师徒四人历尽磨难终于取得真经，那么当你成功地克服了英语学习中的困难后，必定也会充满成就感，总结出心得体会。何不简要点出来与各位读者朋友分享呢？常用表达have difficulty in doing sth.for example / for instancesuch asbe weak / poor intell . from .distinguish . from .tell the differences between . and .have a poor memorylearn . by heartenlarge ones vocabularyspare no effort to do sth.succeed in doingmanage to do sth.