教育专题:Unit_4_Topic_2_Section_C.ppt
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1、Unit 4 Amazing ScienceTopic 2 Im excited about the things that will be discovered in the future.Section C so many people/over crowdedtoo much air pollution/pollutedWhat shall we doWhere shall we liveMars Do you know anything about Mars?Guess whether its true or faulse.Then read the passage quickly a
2、nd check the answers._ 1.Mars looks like a red ball._ 2.The temperature on Mars is very high._ 3.Mars is much larger than the earth._ 4.Mars is too far away for us to reach.TFFFNew WordsFind out the new words and mark them with red pens,and try to guess the meanings.完成导学案自学检测。Read1a and answer the q
3、uestions.(1)What does Mars look like?It looks like a red and orange ball.(2)How far is Mars from the sun?Its about 228 million kilometers away from the sun.(3)Whats the temperature on Mars?It is between-138and 28.1b Read 1a again and write down the information about Mars.Diameter Color Shape Climate
4、 Gravity Distance from the sun 53%as wide as that of the earth red and orangea ball during spring and summer:strong storms temperature:between-138and 28about two-fifths as strong as it is on earth about 228 million kilometers 1.Its diameter is 53%as wide as that of the earth.它的直径是地球直径的它的直径是地球直径的53%。
5、2.The gravity on the surface of Mars is about two-fifths as strong as it is on earth.火星表面火星表面 的引力大约是地球引力的五分之二。的引力大约是地球引力的五分之二。倍数倍数(分数分数/百分数百分数)+as+adj.+as 的的几倍几倍 3.Mars goes around the sun at a distance of about 228 million kilometers.火星在距太阳约火星在距太阳约 228 000 000千米处环绕着太阳转。千米处环绕着太阳转。at a distance of 有有
6、 距离距离/相隔相隔 at/from a distance 在远处在远处 4.Scientists are still searching for more information about Mars.科学家们正在对火星进行更多的探索。科学家们正在对火星进行更多的探索。search for:搜寻某人搜寻某人/物物。如:。如:All night they searched for the lost boy.search for搜某人的身或者某地方为了找到什么。如:搜某人的身或者某地方为了找到什么。如:She searched many shops for Jims gift.Search sb
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