高中英语Unit4Astronomy：thescienceofthestarsPartⅠ作业新人教版必修3

1、高中英语Unit4Astronomy：thescienceofthestarsPart作业新人教版必修3高中英语Unit4Astronomy：thescienceofthestarsPart作业新人教版必修3PAGE PAGE 11高中英语Unit4Astronomy：thescienceofthestarsPart作业新人教版必修3Unit 4Astronomy:the science of the starsPart Warming Up Reading。单句语法填空1。It is uncertain whether hell succeed in passing the driving

2、test or not.2.His joining made it possible for us to finish the work this evening.3。The students clean the classroom every day in turn。4。You neednt worry because this snake is harmless （harm).5.My relationship with the actors is fundamental to my work as a director.6。Look at the pictures and take tu

3、rns to_tell (tell） the story.7.Whatever happens，we will never use violence(violent）.8.Unlike （like) his brother，he is talkative，while his brother always keeps silent。单句改错1.The twin brothers stood under the tree，puzzling and saying nothing.puzzlingpuzzled2.It was considerate of Tom to inform us of hi

4、s delay in case that we got worried.去掉that3.Do you know when the Marriage Law came into an existence?去掉an4.We recognized the possibility and took steps to prevent it happened。happenedhappening5.The boss of the company is trying to create an easy atmosphere that his employees enjoy their work。thatwhe

5、re.课文语法填空The earth was just 1。a cloud of dust after the“Big Bang。The earth exploded loudly with fire and rock.They were 2。in time to produce many things，which were to make the earths atmosphere。As the earth cooled down，water began to appear on 3.its surface.It allowed the earth to dissolve 4。harmful

6、 （harm） gases.Then life began to develop.The first small plants multiplied and filled the oceans and seas with oxygen。This encouraged the 5。development (develop） of early shellfish and fish。Land animals such as insects，reptiles and dinosaurs appeared after green plants appeared.Small clever animals

7、spread all 6.over the earth。They are putting too much carbon dioxide into the atmosphere，7。which prevents heat from 8.escaping （escape) from the earth into space.9.Whether life will continue on the earth for millions of years to come will depend on whether this problem can 10.be solved (solve).。阅读理解

8、AIf there is life on another planet,what is it like？This is the question that a new science fiction(科幻）programme,Alien Planet(异形星球)，tries to answer。In the 94minute programme，two robots explore(探索)a fictional planet。The planet,Darwin IV，has two suns，and is smaller and hotter than Earth.It seems likel

9、y that Darwin IV was covered with large oceans a few million years ago,just like Earth。But because of climate（气候）changes，the oceans disappeared。Darwin IV is also home to many alien plants and animals。The robots look at the land and air on the planet,and then send information to a team of scientists

10、on Earth。The programme is based on the book Expedition by Wayne Barlowe。However,Alien Planet is not just normal science fiction，because it is based on real scientific information.A team of designers and scientists carefully designed the animals and plants that could live on Darwin IV.The team includ

11、ed famous scientists such as Professor Stephen Hawking and Dr James Garvin。In the programme，the scientists explain the science behind Darwin IV.They explain why the animals have certain features（特点)。Here are four alien life animals from Alien Planet:UnthAn Unth is about 2.5 metres tall and has two l

12、egs。It runs fast and lives on the ground.It eats plants，and lives and travels in a group。Trunk SuckerA Trunk Sucker has a long nose and is about 1 metre long。It lives in the forest and drinks the juice from trees。It has wings and flies like a bird。DaggerwristA Daggerwrist is about 2 metres long.It j

13、umps from tree to tree like a monkey and eats other animals。Arctic Sedge SliderAn Arctic Sedge Slider is 10 metres tall and feeds on grasslike plants growing near water。Alien Planet is an exciting programme and it really makes the science come alive.I really think it is worth watching。【语篇解读】本文是说明文。文

14、章主要介绍了异形星球这个科幻节目.1.Whats the purpose of Alien Planet？A。To discover other unknown planets。B.To find out if there is life on another planet。C。To learn about possible life forms on another planet。D。To explain scientists plans for exploring other planets.答案C细节理解题。根据第一段“If there is life on another planet

15、，what is it like？This is.Alien Planet，tries to answer。可知，异形星球这个节目主要是要探索其他星球上可能存在的生命形式。2。Compared with Earth,Darwin IV_。A.has larger oceansB.has a longer historyC。has a higher temperatureD.has more plants and animals答案C推理判断题。根据第二段中的“Darwin IV。.hotter than Earth.”可知,这颗虚拟的达尔文四号行星上的气温比地球上的要高.3。What can

16、we infer about Alien Planet?A。Plants and animals in it are real。B.It is a sciencebased programme.C。The science behind it is unexplainable.D.It is designed by the author of Expedition.答案B细节理解题。根据第三段中的“Alien Planet。.is based on real scientific information.可知，异形星球不是一般的科幻片，而是一档基于真实科学发现的节目。4。Which of the

17、 following is a meateating animal？A.Unth.B。Daggerwrist.C.Trunk Sucker。 D。Arctic Sedge Slider.答案B细节理解题.根据文中的信息“Unth：It eats plants，Trunk Sucker，drink the juice from trees;Daggerwrist，eats other animals；Arctic Sedge Slider，feeds on grasslike plants.”可知，只有B项是肉食动物.BSatellites are an important part of ou

18、r ordinary lives.For example，the information for weather forecasts is sent by satellites。Some satellites have cameras which take photographs of the Earth to show how clouds are moving。Satellites are also used to connect our international phone calls。Computer connections of the World Wide Web and Int

19、ernet also use satellites。Many of our TV programmes come to US through satellites.Airplane pilots also sometimes use a satellite to help them find their exact location.We use satellites to send television pictures from one part of the world to another.They are usually 35，880 kilometres above the equ

20、ator（赤道）。Sometimes we can see a satellite in the sky and it seems to stay in the same place.This is because it is moving around the world at 11，000 kilometres an hour exactly the same speed that the earth rotates（转动)。A satellite must orbit the Earth with its antennae（天线） facing the earth.Sometimes，i

21、t moves away from its orbit，so there are little rockets on it which are used to put the satellite back in the right position。This usually happens about every five or six days。Space is not empty！ Every week，more and more satellites are sent into space to orbit the Earth。A satellite usually works for

22、about 1012 years.Satellites which are broken are sometimes repaired by astronauts or sometimes brought back to the Earth to be repaired。Often，very old or broken satellites are left in space to orbit the Earth for a very long time。This is very serious because some satellites use nuclear power and the

23、y can crash into each other。【语篇解读】本文是一篇科普说明文。文章对各种卫星的用途、卫星工作的状态以及人们对已损坏卫星的处理办法进行了解释说明。5。Which of the following is NOT done by satellites according to the passage？A。Sending information for weather forecasts。B.Taking photographs of the Earth。C。Sending TV pictures.D。Providing food for airplane pilots.答

24、案D细节理解题。根据第一段和第三段首句不难看出，卫星可以传递天气预报信息、拍摄地球照片、传递电视图片等，但是没说为飞行员提供食物，所以选择D项。6.Why does the satellite move around the world at the same speed as the Earth rotates?A.In order to take photographs.B.In order to stay in a certain position in the orbit。C.In order to move away from its orbit.D.In order to send

25、 television pictures.答案B细节理解题.根据第三段内容可以看出，卫星之所以用和地球自转相同的速度绕地球旋转，是为了保持在一定位置上。显然B项正确。7。What does the underlined word “This” in the 3rd paragraph refer to？A.A satellite.B。A little rocket.C。A satellite seems to stay in the same place in the sky.D.The satellite puts the rockets in the right position.答案C代

26、词指代题。this在此替代前文的“Sometimes we can see a satellite in the sky and it seems to stay in the same place.”故选C项。8.Which is true of satellites？A.A satellite usually works for about 1012 years.B。Every time a satellite gets broken，it is brought back to the Earth to be repaired.C。A broken satellite is never l

27、eft in space。D。Broken satellites often crash into each other。答案A细节理解题。根据最后一段不难看出A项正确。七选五Steps in Cutting out SugarCutting sugar out of your diet can be one of the toughest things to do。However，if you do decide to go sugarfree，you can make it.Cut out sugar completely with these simple steps and you c

28、ould break away from sugar in a week.Eat less salt.When you eat a lot of salt，your body naturally longs for sugar to balance out the flavors._1_Eat sweet vegetables._2_ If youre really craving sugar，a beet salad or roast,sweet root vegetables could be just what you need to get your fix。Get more exer

29、cise。Working up a sweat helps take your mind off sugar。By sweating out extra salt，your sugar craving is greatly reduced._3_ If you do this，then you are more likely to make healthier choices when it comes to your food intake all day long。Cut out processed foods。Almost all processed foods are packed full of secret sugar that increases your addiction.When youre trying to quit sugar，its best to go back to basics and eat only fresh foods，including fresh fruits,vegetables，meat，and grains。_4_Find a buddy。Achieving a sugarfree lifestyle is much easier when you have