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1、Unit 1 Reading Its becoming more and moreWhats 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?spacecraftHow can we live on Mars?Special plants that will produce foodwateroxygen(氧气氧气)We
2、will float off into space because of gravity(重力).special bootsspecially designedSome 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 tra
3、vel 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 tastefcdbegaRead 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
4、 on Mars?Because the earth is becoming more and more crowded and polluted.By the year 2100.paragraph1Read paragraph2-4What will life be like?transportfood,water,airgravityTransport: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 2H
5、ow 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 spacecraftfood,water,oxygen:What will scientists develop?What will the plants produce?Wil
6、l the plants produce enough water?read paragraph 3Gravity: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_ pl
7、ants 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_.Therell be many different d_ for s
8、_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
9、 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.TFTTFF1.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 st
10、udy,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 paragraphDifference
11、s 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 tr
12、avel at half the speed of lightIt will be a big problemWe 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
13、 EarthDisadvantages of life on EarthAdvantages 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 dange
14、rous.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 t
15、heatres,concerts,etc.Crowed/pollutedNot much spaceNoisyNot very exciting or unusualwarsNever 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 pas
16、s,And strength you will gainRead a poemImportant 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 morefirst of all large numbers ofa very short timeat the speed of be able to be surefloat away intochoose from in many ways as well asThank you!Homework:1.读背读背Reading.2.课时金练课时金练第第2课时。课时。