9BUnit4Reading课件曹兆泉.ppt

Unit 1 Reading It’s becoming more and moreWhat’s life like on the earth ?crowded （拥挤的）（拥挤的）polluted（被污染的）（被污染的）Mars is nearest to us in the solar system. Maybe moving to Mars is a good choice.How can we go to Mars? spacecraftHow can we live on Mars?Special plants that will produce foodwateroxygen(氧气氧气) We will float off into space because of gravity(重力).special bootsspecially designedSome new words: Check the meaning to the words: (P54 A)1.planet2.spacecraft3.crowded4.gravity5.rapid6.tasty7. pillsa.small round pieces of medicineb.a power that keeps us from floating in the airc.a vehicle designed for travel in spaced. full of peoplee. happening in a short period of timef.a large body in space that moves around a star, e.g., the sung. having a nice tastefcdbegaRead the passage quickly to find out the answer:Will life on Mars be better than life on Earth?1.Why do we need to move to Mars ?2.When can we live on Mars?Because the earth is becoming more and more crowded and polluted . By the year 2100.paragraph1Read paragraph2-4What will life be like?transportfood,water,airgravityTransport :at present How do we get there ?How long does it take?2100 How will we get there ?How long will it take?read paragraph 2How can we get to the Mars? (2) In _________ T________ should be much better.ransport  At present, our spacecraft are too s____to c____large numbers of people. By 2100,the space shuttles can travel at h___ the speed of l_____.low arry alf ight spacecraftfood , water, oxygen:What will scientists develop?What will the plants produce?Will the plants produce enough water?read paragraph 3Gravity :Why is it a big problem?Why is it very dangerous?To prevent this ,what should people do?Read paragraph 4How will the boots become?What will the life be like ? (3,4)Food, water and oxygenGravityH_____ need food, water and air to survive .S_______ should d________ plants that can grow on Mars.The plants will P_______the food and oxygen. 1.The gravity on Mars only about three e______(3/8 )of the gravity on Earth.2.We could jump e______ and f__________ into space.3. Humans have to wear s__________ boots to make themselves heavier.4. The boots will probably become f______________. There’ll be many different d_______ for s_______to choose from. umanscientistsevelop roduce ighths asily loat pecial ashionable esigns ettlers Listen to paragraph 5-7, then do T/F1. People will have more space.2.Robots will do all of our work and we will have more time for our hobbies.3.There will probably be no schools on Mars.4.Every student will have an e-teacher.5.Food will be as tasty as it is today.6. The space shuttles travel fast and the journey is very comfortable.TFTTFF1. People will have more space.2. Robots will do most of our work and that we will have more tome for our hobbies.3. There will probably be no schools on Mars.4. We can study, do our homework and take exams at online schools.Read para5-6Compare with the life on the two planets.1. Food will not be the same ---will not be as tasty as they are today2. Space travel will make many people feel ill.3. The journey to Mars will be very uncomfortable.Read the last paragraphDifferences between life on Earth and life on Mars (P55)Earth today Mars in 2100Polluted and crowdedSpacecraft are slowGravity is not a problemPeople can wear many types of shoesPeople do not have much space we take exams at schoolwe have many different kinds of foodclean and has lots of spaceSpace shuttles travel at half the speed of lightIt will be a big problem…We must wear special bootsWe have more space. We live in domes with 10 bedrooms.We take exams at online schools.Food will not be the same. Meals are just pills.Discussion:Advantages of life on MarsDisadvantages of life on MarsAdvantages of life on EarthDisadvantages of life on EarthAdvantages of life on MarsDisadvantages of life on MarsNot crowed/pollutedNo traffic jamsPeople will wear fashionable boots.People will have more space.Robots will do our work.We will have more time for hobbies.Students will study at home.Low gravity will be dangerous .Food is not as fresh as that on Earth.Travel will make people feel sick.Too cold to go outsideFar away from friends on EarthFood does not taste good.Advantages of life on EarthDisadvantages of life on EarthFood is tasty and fresh.Travel is comfortable.We can breathe the fresh air.We can go to theatres, concerts, etc.Crowed/pollutedNot much spaceNoisyNot very exciting or unusualwarsNever give up, Never lose hope. Always have hope,It allows you to dream.Trying times will pass, As they always do. Just have patience, our dreams will come true. So put on a smile, live through your pain.Know it will pass, And strength you will gainRead a poemImportant phrases:How do you like …What do you think of …get to be cared for in the form of in the futureat the moment at present more and more…first of all large numbers ofa very short timeat the speed of be able to be surefloat away intochoose from in many ways as well asThank you!Homework:1.读背读背Reading.2. 《《课时金练课时金练》》第第2课时。