译林版高中英语选必三Unit2 Grammar and usage 名校教案.docx

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1、Unit 2 Out of this worldGrammar and usage: Subject clauses内容分析：本板块围绕单元话题，引导学生在有关“天文望远镜的使用”的语篇中观察、 探究主语从句的使用，归纳出核心规则；再通过句子、语篇两个层面的巩固练习 让学生内化相关知识；最后让他们运用所学，准确、恰当、得体地使用目标语法， 完成预测太空探索发展的写作任务，实现“形式一意义一使用”的统一。教学目标：By the end of this section, students will be able to:1. identify the use of subject clauses;

2、work out the rules of subject clauses;2. use subject clauses to finish the tasks;write down the prediction about the development of space exploration using subject clauses.教学重难点：1. To identify the usage of subject clauses;To use the subject clauses correctly and properly;教学过程：Step 1 Lead4nWhat is th

3、e Hubble Space Telescope?What is FAST?Hubble Space TelescopeFASTWhat is the Hubble Space Telescope?The Hubble Space Telescope is the largest astronomical telescope ever sent into space. It was launched in 1990.The telescope is to provide astronomers with fascinating new information on the state of t

4、he universe. Some of its breakthroughs include the discovery of the unexplained phenomenon of dark energy, evidence of black holes and observations of stars in the last stages of their lives.What is FAST?Chinas Five-hundred-meter Aperture Spherical Radio Telescope (FAST), the worlds largest single-d

5、ish radio telescope, will be available for global service from April 1.全世界最大的单口径射电望远镜、我国的 500米口径球面射电望远镜(FAST)将于4月 1日正式对全球科学界开放。Located in a deep and round karst depression in Southwest Chinas Guizhou province, FAST is believed to be the worlds most sensitive radio telescope. It started formal operat

6、ions on Jan 11, 2020.FAST位于贵州省一个很深的圆形喀斯特洼 坑中，是全球最灵敏的射电望远镜，于 2020年1月11B正式开放运行。Step 2 Exploring the rulesRead the article on page 20 and Hll in the following table.The use of telescopes to explore spaceTimeBreakthroughsUseIn 1990(1)(3)The Kepler Telescope(4)(6)To detect communication signals between t

7、he stars in the universeAnswers：1. The Hubble Space TelescopeTo see further than ground-based telescopes; to play a crucial role in the discovery of the mysterious dark energy.2. In 20093. To search for Earth-size planets orbiting other stars.4. In recent years5. FASTFind the sentences with subject

8、clauses in the article and fill in the box of part A on page 20.That Hubble is based in space allows it to see further than ground-based telescopes, .It is clear that telescopes are crucial tools for space exploration and that.How much we will learn from the telescopes is merely limited by our imagi

9、nation.Useful Expressions重大突破major breakthrough基于地面的ground-based扮演关键角色 环绕其它恒星 迹象是光明的 也开发先进的望远镜 创造性的单口径射电望远镜极端灵敏发现交流信号重要工具扮演关键角色 环绕其它恒星 迹象是光明的 也开发先进的望远镜 创造性的单口径射电望远镜极端灵敏发现交流信号重要工具play a crucial role orbit other stars signs are promising develop advanced telescopes as well innovativethe single-dish ra

10、dio telescope extraordinary sensibility detect communication signals crucial tools仅仅被想象所限制be merely limited by imaginationStep 3 Working out the rulesWe can use a noun clause as the subject of a sentence. We can use (1) to introduce a subject clause when the clause is a statement. We can use (2)to i

11、ntroduce a subject clause when the clause is a yes-no question. We can use a question word to introduce a subject clause when the clause is a wh-question.We often use (3)as the preparatory subject when a subject is very long.1. that2. whether 3. itGo through the grammar notes on page 95.Step 4 Apply

12、ing the rulesBl Circle the mistake and correct them in the blanks.1. The space mission went so well was beyond our expectation.That the space mission went so well was beyond our expectations.2. Whether they are able to grow more vegetables in space depend on how much time it takes.Whether they are a

13、ble to grow more vegetables in space depends on how much time it takes.3. It was not clear how long he will stay on the space station.It was not clear how long he would stay on the space station.4. What the lunar probe did not land was a worry for the people back on the earth. That the lunar probe d

14、id not land was a worry for the people back on the earth.5. That makes the Chinese people happy is that China has successfully launched a space rocket.What makes the Chinese people happy is that China has successfully launched a space rocket.B2 The passage below is about the Chinese Lunar Exploratio

15、n Program. Complete the passage with the correct subject clauses in the box below. There is one clause you do NOT need to use. Write the letters in the blanks.The Chinese Lunar Exploration Program is also known as the Change Program. Run by the China National Space Administration, Chinas space agenc

16、y, it comprisesthree stages: orbiting, landing and returning.The programs first spacecraft, Chang9e 1 lunar orbiter, was launched in October 2007. It successfully orbited and scanned the Moon. (1)was that Change 2 reached the Moon within just five days. With better techniques and equipment, Change 2

17、 completed a more detailed scan of the Moon before heading into deep space. The success of the two spacecraft showed the world how far Chinese exploration had come. It was evident (2).December 2013 witnessed the Chinese spacecrafts first soft landing on the Moon. The landing of Change 3 proved to be

18、 a success and (3)was plain to see. In January 2019, Change 4 succeeded in landing on the far side of the Moon. In December 2020, Change 5 successfully collected and returned lunar samples. China has successfully completed the three stages of the program. However, (4)is anybodys guess.a how it laid

19、the foundation for future explorationb that the data gathered by them provided valuable information c what advances China will make in the futured why China is one of the world leaders in space exploration e What amazed the whole nation in October 2010Answers: 1. e 2, b 3. a 4. cFill in the tableSpa

20、cecraftTime of launchMajor achievementsChange 1Change 2Change 3Change 4Change 51. In October 20072. It successfully orbited and scanned the Moon.3. In October 20104. It completed a more detailed scan of the Moon.5. In December 20136. It landed on the Moon.7. In January 20198. It succeeded in landing

21、 on the far side of the Moon.9. In December 202010.It successfully collected and returned lunar samples.Useful Expressions on page 21超出我们预料beyond our expectations月球车lunar probe包括三个阶段 绕，落，回 显而易见包括三个阶段 绕，落，回 显而易见comprise three stages orbiting, landing and returning It is evident that.谁也说不准的事 anybodys

22、guessStep 5 WritingB3 Write down your prediction about the development of space exploration, using subject clauses.Possible answerIt is clear that many exciting things will happen in the development of space exploration in the future. I think manned space missions to Mars will happen in my lifetime

23、and a permanent base on Mars will also be established. Hopefully, new energy sources will be developed, which will make space flight cheaper and faster. But how soon and how far we advance in developing the required technology to do so depends on the collaboration合作）between the many countries around the world. It is possible that the technology will be available before 2040 and I am looking forward to that.Step 6 HomeworkFinish exercise C on P64教学反思