牛津初中英语9BU15.pptx

Whats the text mainly about?Read the text on p18 by yourselves.Do we need to read every word to get the answer?We just need to run over（read through sth quickly扫描扫描)the text quickly-read the first and the last paragraphs,the title and the heading.We call this kind of reading skill skimming.（略读）（略读）the planet MarsIs there any life on Mars?Why?Read the text on p18 by yourselves.Also,we dont need to read every word.Instead,just look for the key information（寻找主要的信息）（寻找主要的信息）that will answer your questions.So we call this kind of reading skill scanning.（寻读）（寻读）No.Because the conditions there are very tough.What do you know about Mars?1Color:2diameter(直径）：直径）：3One year on Mars:4 moons:5Surface:6Atmosphere:95 per cent carbon dioxideredPhobos,Deimos one half the diameter of Earth687 daysMore like the surface of EarthQuestions:Which is bigger,Mars or Earth?How long does it take Mars to revolve completely around the sun?EarthAbout 2 years.