Unit4Revision1课件--牛津译林版英语九年级下册.pptx

Unit 4 Revision 1The space helmet can block out strong sunshine and protect eyes.The power pack can provide energy.The air tank can provide oxygen.The special boots can add weight to help them walk more easily in space with low gravity.The dried food can keep them away from hunger.The sleeping bag can provide a place to sleep. They need to fix it on something to prevent it from floating.The computer can be used to record their daily lives in spaceand search for information.Its not necessary to take a tent to sleep in space as there is no rain or wind in space.Eddie and Hobo got everything ready for travelling.Finally, they lived on Mars. However, _ of them thought about _ into space. Hobo asked Eddie_ he liked life on Mars. Eddie said he _ it.Hobo felt very _, because he _ Eddieliked Mars. Eddie said he didnt like Mars because he could not _ _ his food because of the _.neithertravellinghowhatedsurprisedthoughtgettohelmet1111Humans could live on the _ Mars _ the year 2100.The Earth is becoming more and more _ and _because of the _ _ in _. It is hoped that people could start _ _ again and build a _ on Mars.planetbycrowdedpollutedrapidincreasepopulationalloverbetterworldThe gravity on Mars is only about _ of that on the Earth.People would have to wear boots that are_ designed to prevent themselves from _ off into space.wateroxygenfoodformpillstastythree-eighthsspeciallyfloatingas well asone-fourthone-sevenththree-fifthssix-seventhsthree quarters( ) 1. Between 1950 and 1990, the world population doubled to 5.3 _. Nearly eighty_ of these people live in developing, or poorer nations. A. billion; percent B. billion; percentage C. billions; percents D. billions; percent( ) 2. There is a special part _ the main body of the machine. A. connects with B. connect with C. connected to D. is connecting to( ) 3. This is a big class, and _ of the students _ boys. A. two-thirds; is B. second-three; is C. two-thirds; are D. two-three; is( ) 4. I dont doubt_ she can do it well, but I doubt_ she is willing to do it. A. that; that B. that; if C. if; if D. if; thatACCB( ) 5Were unsure_ therell be_ or not tomorrow. A. if; rains B. if; rainy C. whether; rain D. whether; raining( ) 6. The teenager plays the piano_, if not better than, Mike. A. as well B. as well as C. so well D. so well as( )7. Dont always_ your daughter_ others. Its not good for her growth. A. compare; from B. connect; to C. compare; with D. prevent; from( ) 8. The surface of Mars is_ like the surface of the Earth than that of _ planet in our solar system(太阳系). A. much; the other B. more; any other C. more; the other D. much; any otherCBCB1. Some fish are dead. The water in the river must be_（被污染的）.2. The bus is old and dirty. It makes my journey _（不舒服的）.3. I will not pay the _（增加）in my bills unless you make all this clear.4. She changed her clothes _（迅速地）and went outside.5. The train stopped suddenly and all the _（乘客）were worried.6. The cookies are so _（味道好的）that I can hardly stop eating.7. Have you ever thought of moving to another _（行星）.8. The food was _（专门地）ordered.9. China has a _（人口）of over 1.4 billion.10. More than 1000 people have _（生存） in the earthquake.polluteduncomfortableincreaserapidlypassengerstastyplanetspeciallypopulationsurvived1. 我觉得火星上的食物不如地球上的更好吃。2. 我们班女生的数量仅为男生的三分之一。3. 奶奶年纪太大了，不能移居到另一个星球上。4.众所周知空气污染将会对人的健康产生危害。I dont think the food on Mars is as tasty as that on the earth.The number of the girls in our class is only one-third of that of the boys.My grandmother is too old to move to another planet.It is well known that air pollution will do harm to peoples health.Homework1. Review the key points2. Finish the exercises online