Unit 4 Space Exploration Discovering Useful Structures 课件- 高中英语人教版（2019）必修第三册.pptx

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1、Discovering useful structures,Nothing but a tear, thats all for breakfastWatching you pretend youre unaffectedYoure pulling our connections, expecting me_ you go.I look in your direction, hoping that the message goesSomewhere close to youClose to you.Working hard _ itNow your fear is reckless, and i

2、ts out of your controlWould you let it go?.,Activity1: Lead in,to let,to perfect,Activity 2: Finding,1. .and scientists work hard to find answers2. They make vehicles to carry brave people into space to find out the secrets of the universe. 3. For example, Americas NASA space agency launched Voyager

3、 1 on 5 September 1977 to study deep space.4. These disasters made everyone sad and disappointed, but the desire to explore the universe never died.5. China became the third country in the world to independently send humans into space in 2003,adverbial,adverbial,attribute,adverbial,attribute, He is

4、always the first person to come and the last one to leave. 他总是第一个来最后一个走。 The teacher left us a lot of problems to solve. 老师给我们留了很多要解答的题。 I have a wish to go to college 我有一个上大学的愿望。,Activity3: Concluding-不定式作后置定语,1. 当被the first, the last, the only等词以及形容词最高级修饰时常用不定式作后置定语。,2. something, anything, nothin

5、g, everything等复合不定代词常用不定式作后置定语。,Ive grown so crazy about everything to do with nature.,The next train to arrive was from Shenzhen.,On 12 April 1961, Yuri Gagarin became the first person in the world to go into space.,3. 不定式作定语也可用在have to do和there be句型中。,4. 若不定式动词为不及物动词，则该动词必须与介词连用，组成及物的动词短语。,Please

6、pass me some paper to write _.,There is no one to take care of her.I have no jewelry _(wear）.,on,to wear, He came here to attend an important meeting. He laid down his life to save the child. He shouted and waved _(notice). Ill write down his telephone number _(forget) it.,1.目的状语,in order to be noti

7、ced,so as not to forget,表目的时to=in order to=so as to, He returned home to learn his daughter had just been engaged. He went home to find his old friend George waiting for him. What have I said to make you so excited?,不定式作结果状语常与learn, find, see, hear, make等动词连用。,2.结果状语, She was so angry as to be unabl

8、e to speak. The boy is old enough to take care of himself. He hurried to the station, only to find the train had left. Im too tired to stay up longer.,不定式作结果状语常用于以下句型结构： so/such as to do enough to do only to do (常表示意外的或事与愿违的结果,但only前一定要加上逗号“，”) too to do,2.结果状语, Im glad to see you. Sam was very surp

9、rised to hear the news. I was a fool not to listen to you at that time.,3. 原因状语,Activity4: Practice,. followed by the vehicle Jade Rabbit being sent to the moon to study its surface, . China launched the Tiangong 2 space lab into space and Tianzhou 1 to dock with it. This signalled one step further

10、in Chinas plan to establish a space station in the future. of the far side of the moon to make measurements and observations . and China all have plans to further study and explore planets like Mars and Jupiter.,adverbial,adverbial,attribute,adverbial,attribute,Fill in the blanks with the correct fo

11、rms of the verbs.,1. As it is at the end of summer, people think it is their last chance _ (have) fun before going back to boring work.2. I think you have every right _ (complain).3. _ (make) friends easily, you need to be very kind.4. Its never too old _ (learn).5. He went back, only _ (find) the d

12、oor firmly locked.,to have,to complain,To make,to learn,to find,Activity4: Practice,6. We are very pleased _ (hear) your wonderful news.7. He is too ready _ (help) others.8. The child has no toys _ (play) with.9. There is no time _ (lose).10.Would you be so kind as _ (tell) me the time?,to help,to h

13、ear,to play,to lose,to tell,1. 她总是第一个到教室，最后一个离开的。,She is always the first to arrive and the lastto leave the classroom.,2. 孩子们，安静一下，我有件事情要宣布！,Be quiet please, boys and girls, I have an announcement to make.,3. 这只狗很勇敢，跳到水里救那个小女孩。,The dog was brave enough to jump into the water to save the little girl

14、.,4. 有很多作业要做，我没时间出去玩了。,I have no time to play outside with so muchhomework to do.,Activity4: Practice,Replace the italicized parts by using infinitives or “in order to /so as to + do”.,1. In 2003 Yuri Malenchenko became the first person who got married in space. In 2003 Yuri Malenchenko became the f

15、irst person to get married in space.2. In space, astronauts collect all dirty water so that it can be recycled for later use. In space, astronauts 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

16、they would fly into space. Mankind has always been curious about the universe and many people have the dream to fly into space one day.4 Astronauts bones and muscles can get very weak in space due to the lack of gravity, so they need to exercise every day, which will heip them stay healthy. Astronau

17、ts bones and muscles can get very weak in space due to the lack of gravity, so they need to exercise every day to/in order to/so as to help them stay healthy.5 Astronauts have to use tape to stick everything down while working in space because everything would float off otherwise. Astronauts have to

18、 use tape to stick everything down while working in space to/in order to/so as to keep everything from floating off.6 During a spacewalk, astronauts have to move slowly so that they can keep their bodies under control. During a spacewalk, astronauts have to move slowly to/in order to/so as to keep t

19、heir bodies under control.,Check your answers,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 long time. For example, _ (use) the current technology, it would take over two years _ (get) to the cl

20、osest planet, Mars, and back. Although light is the fastest thing _ (know) in the universe, it could take more than four years to reach the nearest star system. Will scientists figure out a way _ (store) sufficient food and water for the long journey? Is it possible to travel faster than light? No o

21、ne knows the answers yet. However, space scientists never give up. They are experimenting with growing crops in space so as _ (help) astronauts get enough food on longer journeys through space.,to achieve,using,to get,known,to store,to help,Activity4:Presenting,Introduce Zhai Zhigang s experience as

22、 an astronaut, using as many infinitives as possible,On September 27, 2008, Zhai Zhigang, a Chinese astronaut, climbed out of the spacecraftto fix a Chinese flag on the outside of the spaceship. He is the first Chinese astronaut to make spacewalk.,Possible version,Polish the passage about the introduction of Yang Liwei.,Homework,