1、 UNIT 4 SPACE EXPLORATION Period VI Video Time&Assessing Your ProgressVideo TimeStep I 学习理解学习理解Enjoy two videos:The Wandering Earth and Mars.Then go through the words and phrases in the box.If necessary,look up the words and the phrases in a dictionary.点击图片播放视频点击图片播放视频点击图片播放视频点击图片播放视频Enjoy two video
2、s:The Wandering Earth and Mars.Then go through the words and phrases in the box.If necessary,look up the words and the phrases in a dictionary.planetprobelaunch vehicleprotective shield orbit parachute lander lunar roverplanetn.行星行星 proben.空间探测器空间探测器launch vehicle运载火箭运载火箭 protective shield防护罩防护罩orbi
3、tn.(天体等运行的天体等运行的)轨道轨道 parachuten.降落伞降落伞landern.着陆器着陆器 lunar rover探月车探月车Go through the following statements and understand the meanings.Decide whether they are true(T)or false(F).Then watch the video and check your answers.(Before You Watch)点击图片播放视频点击图片播放视频1.Mars is the fourth planet from the Sun and
4、 the smallest planet in the solar system.2.It is one of the few planets that we can see with the naked eye.3.Like Earth,Mars has volcanoes,valleys,polar ice caps,seasons,and weather.4.Olympus Mons,the largest volcano on Mars,is about twice as high as Mount Qomolangma.FTTFWatch the video again and pu
5、t the events in the correct order._ The probe separates from the launch vehicle._ The lander lands on the surface of Mars._ The probe enters the Earth-Mars transfer orbit._ Controllers on Earth guide the probe into the orbit around Mars._ The lander discards the protective shield and the parachute._
6、 The space-to-ground communications link is created._ The orbiter and the lander separate._ The rover transmits data back to Earth and receives orders from Earth._ The rover begins to explore the surface of Mars.127463589Step II 应用实践应用实践Video TimeWatch the video again and answer the questions.Why is
7、 Mars called the“Red Planet”?How high is the largest volcano in the solar system?What do you know about the atmosphere around Mars?What is the ice capping the poles on Mars made from?What does“a barren planet”mean?It is often referred to as the“Red Planet”because of its red surface.It is roughly 27
8、kilometres high.It is very thin and made up mostly of carbon dioxide.Much of Marss ice is made from carbon dioxide,not water.It means“一个贫瘠的星球一个贫瘠的星球”.Step III 迁移创新迁移创新Video TimeWork in pairs.One student acts as a space expert and the other acts as a reporter.Use what you have learnt from the video t
9、o make up an interview.(After You Watch)A:So,tell me about Mars.B:Well,its our nearest planetary neighbour,and one of the few planets we that can see with the naked eye.A:Is it like Earth?B:In many ways it is.For example,it has volcanoes,valleys,and seasons like Earth.However,it is much colder than
10、Earth,and its atmosphere is quite thin.A:When did China launch its first mission to Mars?B:.Assessing Your ProgressComplete the sentences.1.Arrow would continue to fly forward forever in a straight line were it not for g ,which brings them down to Earth.2.While i people can often simplify the comple
11、x,a fool is more likely to complicate the simple.3.He headed to the window and shut it.O ,it would be too cold for him to stay there.4.Only when agriculture is fully developed can industry have s material and markets.5.The river is too s for our boat to float on.ravityntelligenttherwiseufficienthall
12、owRead the passage about Lees work in space and fill in the blanks with the words and phrases in the box.agency astronaut data determined intelligent satellite figure out result inLee was busy at work.Unlike most people around the world though,his workplace was in space.There was a problem with a(n)
13、_.It was supposed to send information about the sun back to the _ on Earth,but the equipment for sending the _ was not working properly.So it was Lees mission to _ the problem and solve it.Lee was very _ as a(n)_,and he was also very careful.He was _ to make the satellite work properly again,but he
14、would make sure to be safe.He knew that one small mistake could _ death.satelliteagencydatafigure outintellighentastronautdeterminedresult inFill in the blanks with the correct forms of the words in the brackets.1.If you want to be admitted,you must have the basic ability _(read)and write in English
15、.2.Some scientists were determined to help humans realise their dream _(explore)space.3.The government encourages farmers to grow corn instead of rice _(improve)water quality.4._(learn)more about Chinese culture,Jack has decided to take Chinese folk music as a selective course.5.Anxiously,she took a
16、 bus and reached the station,only _ (find)the train had left.to readto exploreto improveTo learnto findComplete the sentences with the correct forms of the words in the box.1.After having succeeded in _ satellites into space,people wanted to know if it was safe for a human to go into space.On 3 Nove
17、mber 1957,a dog named Laika became the first living thing _ space.She was also the first one to die there.2.The USSR and the US both wanted to be the first to send a person to the moon.Later,the US succeeded,and Neil Armstrong became the first man _ onto the moon.During the first moon landing,astron
18、auts had no vehicles _,so they had to explore the moon on foot.On the fourth mission _ on the moon,astronauts took a lunar vehicle so that they could explore places further away.send survive prevent reach breathe step land sleep use helpsendingto reachto stepto useto landComplete the sentences with
19、the correct forms of the words in the box.3.Astronauts must wear spacesuits when they work in space because there is no air _ and it can be very cold outside the spacecraft.While _,they must attach themselves to something so as _ floating around.4.The accident on the Apollo 13 spacecraft resulted in
20、 a loss of oxygen,water,and electrical power.The astronauts on board had to fight _.At the same time,Houstons Mission Control worked hard _ the astronauts return to Earth safely.send survive prevent reach breathe step land sleep use helpto breathesleepingto preventto surviveto helpReflecting.Do the
21、tasks by yourselves.What do you think is the most interesting part of an astronauts life?Why?What new information did you learn from this unit?Do you find it easier to use English to express curiosity now?Do you feel more confident about writing an argumentative essay in English now?Why or why not?Overall,I thought this unit was inspiring interesting so-so difficult.Reflecting.Work in groups and share what you write.
