1、Unit 4 Reading and Thinking Learn about the development of space explorationthe solar systemThere are more than 200 billion stars in our galaxy,and the sun is just one of them.the earththe moonEvery year,many spacecraft and satellites are launched into space where they orbit around the earth,transmi
2、tting data back to the earth.So far,humans have made great advances in space exploration.What do you think are the main reasons for space exploration?The main reasons for space exploration are to_,_,_,_.explore and learn more about the universediscover other planets suitable for humans to live onfin
3、d other useful materials on other planetscontribute to scientific and medical developmentWhat do you expect to read about in the text?lI expect to read about the development of space exploration.lI expect to read about the accidents in space exploration.lI expect to read about the future of space ex
4、ploration.l.Several sentences have been removed from the text.Choose the correct sentence to fill each gap.Read and choose the missing information.1.Which sentences are general statements that could serve as topic sentences for paragraphs?2.Which sentence contains a connecting word which indicates t
5、hat it is a part of a list of details?3.Which sentence begins with a sequencing word showing that it is probably a detail from the middle of a narrative?B.They also really wish to discover other planets that are suitable enough to support life.D.After many experiments,they succeeded in making rocket
6、sA.Although scientists try to make sure nothing goes wrong,accidents can still happen.Topic SentenceC.The future of space exploration remains bright.Topic SentenceUse your own words to summarise the main idea for each paragraph.Para 1:_Para 2:_ _Para 3:_ _Para 4:_ _ _ Para 5:_ _Space travel became a
7、 reality in the mid-20th century,with American and Soviet space missions.Humans have always had a natural curiosity about space.Space travel has always involved great risk,but despite the huge risks,exploration continues.China has made great progress in space exploration in the early 21st century,be
8、coming the third country to independently send humans to space.The future of space exploration looks bright,as many countries are planning further missions.Para 1:Para 2:Para 3:Para 4:Para 5:the _ to explore the outer spaceearlier _ of space explorationcontinuous _ in spite of _ development of space
9、 exploration_ future of space explorationUse key words to summarise the main idea for each paragraph.desireachievementseffortsdisasters/risksChinasbrightDetailed reading:the desire(Para.1)People are always curious about _,so they make _ to carry _ into space:lso as to _ the secrets of the universels
10、o as to _spacevehicles find outdiscover other planets suitable enough to support life brave people most people an impossible dream did nothingsome scientists were determined to realise this dream did many experimentsafter many experimentson 4 Oct.1957 on 12 Apr.1961on 20 July 1969on 5 Sep.1977succee
11、ded in making rockets that could escape Earths gravity the Sputnik satellite was launchedand successfully orbited aroundYuri Gagarin became the first person to go into spaceNeil Armstrong stepped onto the moonAmericans NASA space agency launched Voyager to study deep spacea realityNational Aeronauti
12、cs and Space Administration(美国）国家航空与航天局美国）国家航空与航天局Detailed reading:earlier achievements(Para.2)What has made the dream a reality?an impossible dreama realityScientists _,_ and _ as well as astronauts _ made the dream a reality.Detailed reading:earlier achievements(Para.2)determination hard work pers
13、istencebraveryDetailed reading:disasters&continuous efforts(Para.3)_ on the USSRs Soyuz 11 and Americas Challenger died _.These disasters made everyone _._ the universe never died.The International Space Station _.It _ Earth and has astronauts from different countries _,providing a continuous _ in s
14、pace.Accidents Ongoing workwas launchedorbits All the astronauts during their missionssad and disappointedThe desire to explore on boardhuman presence Detailed reading:Chinas development(Para.4)l In 2003,Yang Liwei _ Earth in the Shenzhou 5 _.l Shenzhou 6 and 7 completed a second _ and the first _.l
15、 _ was sent to _ to study its surface.l The Tiangong 2 _ was launched into space,and Tianzhou 1 _ it.l _ was sent to explore the surface of the _ of the moon.Chinas _ started later than _ Russia and the US,but _ in a short time.space programmehas made great progress those ofsuccessfully orbited spac
16、ecraftmanned orbit Chinese spacewalk Jade Rabbit the moon space lab docked with Change 4far side Events Significance or mission goalsIn 2003 Yang Liwei successfully orbited Earth in the Shenzhou 5 spacecraftBecame the _ country to _ send humans into spaceThen Shenzhou 6 and 7 was launched Completed
17、a second manned orbit and the first Chinese spacewalkJade Rabbit was sent to the moon To study its surfaceAfter that,China launched Tiangong 2 space lab into spaceand Tianzhou 1 to dock with it _ one step further in Chinas plan _ in the futureMore recently,China has sent Change 4 To explore the far
18、side of the moon to make _thirdindependentlysignalledto establish a space stationmeasurements and observationsDetailed reading:the bright future(Para.5)Europe,the US,and China all have plans to _ and _ planets like _.Scientists hope future discoveries will not only enable us _ how the _,but also hel
19、p us _.further study explore to understand survive well into the futureuniverse beganMars and Jupiter satisfy humans natural curiositycontribute to future survivalSPACE:THE FINAL FRONTIERpeoples desireearlierachievementsChinas developmentbright futuredisasters andeffortsto find out the secrets of th
20、e universe;to discover other planets that are suitable enough to support life 4 October 1957,the Sputnik 1 satellite 12 April,1961,Yuri Gagarin,_20 July 1969,Neil Armstrong,_5 September 1977,Voyager 1All the _ on the USSRs Soyuz 11 and Americas Challenger _ during their missions.The International Sp
21、ace Station was launched.2003,Yang Liwei,Shenzhou 5 spacecraft Shenzhou 6 and 7 Jade Rabbit the Tiangong 2 space lab,Tianzhou 1 Change 4People have plans to further study and explore planets like Mars and Jupiter.the firstperson in the world to go into spacethe firstman to step onto the moonastronautsdied
