2019-2020学年英语高中人教版必修3学案：Unit 4 Period 3语言运用课

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1、Unit 4 Astronomy:the science of the starsPeriod 3 语言运用课学习目标1.Introduce a visit to the moon and train students reading ability.2.Accumulate common knowledge about astronomy through the authors experience,self-directed study and cooperation.3.Be interested in astronomy by expressing yourself in Englis

2、h. 学习过程.Reading activity浏览文章内容,把握阅读速度;结合插图,猜测文章大意。Task 1 Fast reading1.Read the passage carefully and then describe the three ways in which gravity changed for Li Yanping.The way gravity changedLeft the earth (1)In space (2)On the moon (3)2.Read the passage carefully and then describe how his weight

3、 changed.The weight changedLeft the earth (1)In space (2)On the moon (3)Task 2 Careful reading1.It will not be as strong a pull as the earths.(1)翻译本句 。 (2)在 as.as.结构中第一个 as 是 (词性), 因此后面可以跟 、 ;第二个 as 是 (词性) 。 2.But when I tried to step forward,I found I was carried twice as far as on the earth and fe

4、ll over.(1)翻译本句(2)通过本句总结倍数的表达方式: .Writing 学习建议:请根据写作指导完成写作任务。If you were given the chance to travel to the moon,what problems do you think you would face?List one of the problems and think of a solution to solve it.Requirements:1.First list the problem you might have on the moon.2.List the possible

5、solution.3.How the solution help solve the problem.4.The writing must be written about 120 words.According to the above points,make an outline about the passage of expository writing:solving a problem.A.Discuss with your partners how to solve your problem and then enrich your content.In the meanwhil

6、e,look up some new words in the dictionary.B.Please finish the composition according to the above outline.C.After finishing your writing,swap your composition with your partners and correct mistakes.D.Hand in your composition.好词好句1.I would be happy to accept the chance to.我非常高兴接受这样的机会2.If I visited

7、the moon,perhaps I would face many problems.(虚拟语气) 如果我登上月球,或许我会面临许多问题。3.As far as we know 据我们所知写作要求:短文连贯,词数 120 左右,限时 15 分钟完成。写作正文课后作业Polish your composition and hand it in.参考答案学习过程.Pre-reading activityTask 11.(1)The gravity became very strong.(2)The gravity disappeared.(3)It became very light.2.(1)

8、He became very heavy.(2)He had no weight and could float around like a feather.(3)He was about one-sixth of his weight on the earth.Task 21.(1)月球的引力不像地球的引力那么大。(2)副词;形容词;副词;连词2.(1)当我试着向前迈步时,我发觉我被送出去很远,步子的跨度竟是地球上的两倍 ,因而,我摔倒了。(2)A+is+倍数+as+ adj./adv.+as+B.Writing参考范文I would be happy to accept the chanc

9、e to travel to the moon.But if I visited the moon,perhaps I would face many problems.One of the problems I might have:How should I stop my food floating away.I would have to take all my food with me if I went to the moon.As far as we know,in the spaceship there is no gravity so the food would float around if it was solid.So I would make sure that it is specially made as liquid space food.I can put my liquid space food in a cub and then I would be able to eat it more easily.Perhaps I would use a straw to eat it.It would solve the problem.