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1、2019新人教高中英语必修三Unit4 Space explorationDiscovering Useful Structures 公开课教案Teaching aims:1 .Enable students to identify and analyse the usage of infinitives as adverbials and attributes.2 .Help students to master the usage of infinitives as adverbials and attributes through self-study and practice.3 .G
2、uide students to use infinitives to describe space facts and efforts to explore space.Teaching key points:1. Help students identify the uses of infinitives as adverbials and attributes.2. Lead students to use infinitives to describe space facts and efforts to explore space.3. Design specific situati
3、ons for students to make use of infinitives as adverbials and attributes.Teaching difficult points；1. How to use infinitives as adverbials and attributes in real situations.Teaching procedures:Step 团 LeadinMystery creates wonder and wonder is the basis of mans desire to understand.Neil ArmstrongTo s
4、ucceed, you must accept all the challenges, cant just accept the ones you like.Mike GaffkaStep回 Self-directed studyThis class we will learn to grasp the basic usages of the present continuous passive voice and put them into practice. First, its self-study time. Please observe the example sentences i
5、n the sheet and try to summarise their usages by referring to the dictionary or reference books.Make a mark where you cant understand. Then,10 minutes later; well see who is the best self-learner. Please begin now.Stepa Presentation and special attentionT:Time is up. Let/s see how you learn infiniti
6、ves as adverbials and attributes one by one.Task 1 Read the following sentences and focus on the italicised infinitives. Then figure out their functions and meanings.1.1 trained for a long time to fly airplanes as a fighter pilot.玲2.As we all know,an astronaut needs to be healthy and calm in order t
7、o work in space.玲3.First of all,you must be intelligent enough to get a related college degree.-4.Some scientists were determined to help humans realise their dream to explore space.f5.On 12 April 1961,Yuri Gagarin became the first person in the world to go into space.好Suggested answers:order that I
8、 could fly airplanes as a fighter pilot.2.in order that he/she can work in space.3.so that you could get a related college degree.4.their dream which was to explore space.5.the first person in the world who went into space.Task 2 Find more examples from the text and figure out their functions.(pages
9、 40-41)Suggested answers:People have always wanted to learn more about space,and scientists work hardto find answers.(adverbial)They make vehicles to carry brave people into space to find out the secrets of the universe.(attribute;adverbial)They also really wish to discover other planets that are su
10、itable enough to support life.(adverbial)Americas NASA space agency launched Voyager 1 on 5 September 1977 to study deep space.(adverbial)These disasters made everyone sad and disappointed,but the desire to explore the universe never died.(attribute)China became the third country in the world to ind
11、ependently send humans into space in 2003.(attribute)Then Shenzhou 6 and 7 completed a second manned orbit and the first Chinese spacewalk,followed by the vehicle Jade Rabbit being sent to the moon to study its surface.(adverbial)After that,China launched the Tiangong 2 space lab into space and Tian
12、zhou 1 to dock with it.(adverbial)This signalled one step further in Chinas plan to establish a space station in the future.(attribute)More recently,China has sent Chang/e 4 to explore the surface of the far side of the moon to make measurements and observations.(adverbial)Europe,the USzand China al
13、l have plans to further study and explore planets likeMars and Jupiter.(attribute)Task 3 Rewrite the sentences using infinitives or “in order to/so as to.Change the italicised parts accordingly.Learn from the examples.1 .ln 2003 Yuri Malenchenko became the first person who got married in space.玲.the
14、 first person to get married in space.2 .In space,astronauts collect all dirty water so that it can be recycled for later use.玲. collect all dirty water so as to recycle it for later use.3 .Mankind has always been curious about the universe and many people have dreamt that one day they would fly int
15、o space.f4 .Astronauts bones and muscles can get very weak in space due to the lack of gravity,so they need to exercise every day,w/7/c/? will help them stay healthy.玲5 .Astronauts have to use tape to stick everything down while working in space because everything would float off otherwise.玲6 .Durin
16、g a spacewalk,astronauts have to move slowly so that they can keep their bodies under control.玲Suggested answers:3.1. .many people have the dream to fly into space one day.3.2. .so they need to exercise every day to/in order to/so as to stay healthy.3.3. .stick everything down while working in space
17、 to/in order to/so as to keep everything from floating off.3.4. .move slowly to/in order to/so as to keep their bodies under control.Task 4 Complete the sentences using infinitives as the attribute or the adverbial.（Workbook page 80 Using Structures Exercise 1）1 .Q:Why is Yang Liwei famous in China?
18、A:Because he is （第一个进入太空的中国宇航员）.2 .Q:How do you feel about the film 2001:4 Space Odyssey?A:lm afraid the film is （太长太乏味而无法看完）.3 .Q:Why was the Russian space station Mir（和平号空间站）brought down out of orbit?A:One of the reasons is that Mir was too old and （不 再是安全的居所）.4 .Q:Would you like to travel into sp
19、ace some day?A:Yeszand I want to become （登陆火星的第一个中 国人）.5 .Q:Could you provide a simple introduction to how space rockets work?A:lm afraid the whole process is （太复杂了,无法用 几句话解释清楚）.Suggested answers:1 .the first Chinese astronaut to go into space2 .too long and boring for me to finish3 .no longer a saf
20、e place to live in4 .the first Chinese to land on Mars5 .too complicated to explain in a few wordsStep 团 Summaryinfinitives as adverbials:infinitives as attributes:Suggested answers:infinitives as adverbials:可以表示目的、结果、原因等，可根据其在语境中的意义，转化为相应的状语 从句；常用结构:in order to/so as to （表目的）be+ad/.+enough to do （表
21、结果）too+ad/.+to do （表结果）be+proud/pleased/.+to do （表原因）infinitives as attributes:起修饰或限定作用,可转化为定语从句；可修饰名词、数词、代词等，常置于被修饰词后;多表示将来的动作;后接不定式作定语的名词有:desire,dream,plan,goal等。Step0 ConsolidationTask 1 Complete the sentences using the correct forms of the words in the box.（Workbook page 81 Using Structures Exe
22、rcise 2）hold build provide live set carryselect fall takelaunch1 .The space shuttle（航天飞机）was created as a reusable launch vehicle astronauts and other equipment into space and back again.The shuttle looks like an ordinary plane but it has a cargo bay（货仓）that is large enough a satellite.2 .Space prob
23、es（航天探测器）are often sent to places that are too far away or too dangerous for a human foot in.For example,in 1977,the Voyager 1 space probe was sent pictures of the planets Saturn and Jupiter.3 .The International Space Station was too big on Earth and into space,so different countries worked together
24、 and built about 100 modules（分离 舱）.Afterwards,these modules were joined together in space living quarters,laboratories,and other equipment for astronauts for months.4 .As the first woman to make a trip into spacejereshkova felt lucky and proud.When the great day finally came,she was almost too excit
25、ed asleep.Task 2 Complete the passage with the correct forms of the verbs in the box.（Workbook page 81 Using Structures Exercise 3）make do be connect get see sendOn 17 October 2016,Chinas space agency launched the Shenzhou 11 space vehicle with the Tiangong 2 space laboratory.The vehicle carried the
26、 astronauts Jing Haipeng and Chen Dong.The connection between Shenzhou 11 and Tiangong 2 took about two hours to be completed.The astronauts had many tasks in space as part of their mission.Firstlyzthey had to float through a narrow 80-centimeter wide tube so as on board Tiangong 2.Once safely on bo
27、ard,the pair waved to the camera on Tiangong 2, greetings to everyone back home.Then they performed various experiments.For example,they grew rice in space.They also gave themselves medical check-ups how their bodies were affected by in space.Jing Haipeng and Chen Dong finally returned to Earth 30 d
28、ays later, their space mission the longest such mission by Chinese astronauts to date.Suggested answers:Taskl1 .to carry;to hold 2.to set;to take 3.to build;to launch;to provide;to live 4.selected;to fallTask 2to connect;to do;to get;to send;to see;being;makingStepBPractice2 .Complete the sentences
29、using the correct forms of the words in the brackets.3 .Jennifer Mauer became the first in her large family (earn) a bachelors degree.4 .(test) the effect of social influence on eating habits the researchers conducted two experiments.5 .Please go to the government websites (learn) more about the pro
30、gram.6 .Whatever your age or interests,Buxton has something (see) or do to make your visit truly memorable.7 .(enjoy) the convenience of digital payment,many senior citizens started to use smart phones.8 .With such busy lives,it can be hard to try and find the time(work) out.9 .Friedman points out t
31、hat the green economy is a chance (keep)American strength.10 Fortunately,after a brief stay in hospitaLBen was well enough (allow) to leave and later the family met up for dinner.11 During the Mid-Autumn Festivaljamily members often gather together (share) a meal,admire the moon and enjoy moon cakes
32、.11.1 was watching the clock all through the meeting,as I had a train (catch).团.Complete the passage with the correct forms of the verbs in brackets.Sending people to other planets or even beyond the solar system is not an easy goal (achieve).One of the problems is that the trip would take a very lo
33、ng time.For example,(use) current technologyjt would take over two years (get) to the closest planet,Mars,and back.Although light is the fastest thing (know) in the universejt could take more than four years to reach the nearest star system.Will scientists figure out a way (store) sufficient food an
34、d water for the long journey? Is it possible to travel faster than light? No one knows the answers yet.Howevecspace scientists never give up.They are experimenting with growing crops in space so as (help) astronauts get enough food on longer journeys through space.Suggested answers:0.1.to earn 2.To test 3.to learn 4.to see5.To enjoy 6.to work 7.to keep 8.to be allowed9.to share lO.to catch团.to achieve;using;to get;known;to store;to help