内蒙古巴彦淖尔市乌中旗二中九年级英语上册《Unit 4 Amazing Science Topic 3 Section C》学案（无答案） 仁爱湘教版.doc

九年级英语上册unit 4 amazing science topic 3 section c学案（无答案）一学习目标：1了解更多关于火星的知识。2培养学生热爱科学、探索未知领域的积极态度。二预习过程 ： 三知识点导学：1a:1)the gravity on the surface of mars is about two-fifths as strong as it is on earth . (译成汉语) a) 倍数的表示：倍数 + as 形容词或副词原级 + asb) as + adj./adv/原级 + as ：“ 和一样“ (1)the students in our school are twice _many_those in yours.我们学校里的学生是你们学校里的学生的两倍。(2) the river is _ _ _ _ _ that one . 这条河是那条河的3倍长。 (3)the weather in beijing _ _ _ _that in wuhan.北京的天气没有武汉的天气热。2）mars goes around the sun at a distance of about 228 million kilometers.(译) 注：at a distance of : 相隔, at/from a distance : 在远处(4)我将在离我们学校100米的地方等你。i will wait for you _from our school.(5)他的妈妈远远地跟着他。his mother followed him _.part 2 :3)it has been two days since we landed on mars .译汉语： “ it ”用作主语谈论时间，常与“since”连用，译“自从.到现在已经多长时间了”，常用的结构： it has been + 一段时间 + since + 过去时从句:it is + 一段时间 + since + 过去时从句时间 + has passed since(6)自从我们来到我们学校已经三年多了。 _three years since_.四 课堂活动：1.读1a 第二段，回答下列问题：1)what does mars look like ?2)whats the weather like on mars ?3)whats the gravity on mars ?4)whats the temperature on mars ?5)how far is it from the sun ?2.读1a，判断：3.给1a拟定一个标题：_4.读part 2,判断：( )1. its been five days since they landed on mars.( )2. it took them three years to get to mars.( )3. they had plenty of food and water in the spaceship.( )4. they have been away from the earth for 763 days.( )5. the excitement and risks on mars are worth it. 5.读part 2 ,回答：1.how many days had they stayed on mars till then ?2.how long did it take them to get to mars?3.were they living in a comfortable room ?四课后巩固： (7)我们登上火星已经两天了。it _ _ two days _ we landed on mars.(8)地球在距离太阳数十亿公里的地方旋转。the earth travels around the sun _ _ _ _ billions of kilometers.(9)更糟糕的是，我们的水供应很短缺。_ _ _, our water supplies were very low.(10)总体来说, 这本书值得一读。_ _, the book is worth_.ii.(11)the apples in this basket are bigger than _in that basket.a. them b. those c./ d. that(12)the famous painting was named _autumn.a.to b. as c. for d. after(13)uncle wangs purse was found by a _girl named ann.a.12-year-old b. 12-years-old c. 12 year old d.12 years old(14)the diameter of the earth is nearly _that of mars.a.twice as long as b. as twice long as c.long as twice as d. as long as twiceiii.用方框中所给单词的适当形式填空：worth , storm , distance , bigger , limit (15)in china,_often happen