外研版英语八年级下册M3U2学案

课题 单位 学习目标 Module 3 Unit 2 课 型 大靳中学 主备人 New 知识目标：掌握本单元单词短语及重点句型 能力目标：能运用现在完成时态来描述太空的奥秘 情感目标：培养学生的合作意识和创新精神 学习要点 掌握现在完成时态的运用方法 学习过程 个性修订 一．预习自测： 1.写出下列单词 （1）没有一个______________（2）组_____________ （3）环境___________________（4）光线______________ （5）不可能的___________________（6）联系_______________（7）星系_______________（8） 太阳系_____________________ 2.英译汉： Our solar system is a small part of a much larger group of stars and plants, called the Galaxy or the Milk Way. 二．精彩课堂： Step1.Read the passage quickly and choose the best title. 1.Anyone out there 2.Life on the earth 3.The sun and other stars 4.The stars at night Step2. Read paragraph 1 and fill in the blanks: Scientists think that there has been life on Earth for ___________ ______ years.However, we have’t found life on __________ ___________ yet. Step3. Read paragraph 2 and put the words in order (按顺 序）, from small to large (大的). planet,galaxy,star,universe,solar system _______ < ________ < _________ < _________ < __________ Step4. Read paragraph 3 and choose T or F 1.There is more than one galaxy.（ ） 2.Their light has to travel for many years to reach us. （ ） 3.It’s possible to understand how large the universe is. ( ) Step5. Read paragraph 4 and fill in the blanks. Scientists have sent s__________ to the planet Mars to take photos.They have even sent spaceships to t__________ outside the solar system. H__________, no spaceship has travelled far e_________ to reach other stars in our Galaxy. Step6. Read paragraph 5 and answer the questions. 1. 宇宙中还有其他生命的存在吗？（译成英语） 2. Have there been visitors to the earth from other plants? Step7. Do them by yourselves then discuss(讨论) in groups. 1、no one 与 none no one = nobody no one只指人 不与of 连用 做主语时谓语动词用单数 none 反义词→all 指人或物 与of 连用 做主语时谓语动词用单数,也可用复数. ( )I have many pen friends, but ___ of them are foreigners. A. no one B. nobody C. none D. one 2.alone 与 lonely alone adj./adv. 单独的/地 独自的/地 无感情色彩 指形体上的孤独 lonely adj. 孤独的 寂寞的 有感情色彩 指精神上的孤独 That women lives _________ ,but she never feels ________ 3.already yet just 在现在完成时态中的运用 already 表示“已经”just表示“刚刚”一般置于have/has之后，两者都用于肯定句中。yet 用于否定句或疑问句中，表示“还未”。 just now表示“刚才” 用于一般过去时态 St Step8. 能力提升 Writing Write a story, use the answers to the questions . 开头已给出。 1. Where has it landed? (Mars) 2. What has it discovered? (people) 3. Why haven’t they sent us a message? (can’t hear us) 4. Why haven’t they visited us on Earth? (prefer life on Mars) 5. What have they made with the other spacecraft? (TVs,radios,cars) We’ve just heard that our spacecraft has landed on Mars ,and

Step9. 达标检测 一．单项选择。（5分）(必做题，3分钟) ( )1、----Have you been to the teacher’s office_____? ----No, I haven’t. A. just B. yet C. already D. ever ( )2、I _____ to Qingdao twice. It’s so beautiful. A. won’t B. have gone C. went D. have been ( )3、----Why doesn’t he come to the party. ----Because he ____ Guangzhou. A. will go to B. has gone to C. have gone to D. has been to ( )4、He has ____ school. He ____ at 2 o’clock this afternoon. A. left left B. leave will leave C. leave leave D. left leaves ( )5、----Have you finished cleaning the door yet, Bob? ----Yes, I____ it ten minutes ago. A. have finished B. finish C. had finished D. finished 二．用所给词的适当形式填空。（5分）（选做题，5分钟） 1、Mr Chang was _____ (surprise) to see all of us were waiting for him at the school gate. 2、Could you please pass _____ (I) some writing paper? 3、On the ____ (two) floor, there is a bookstore. 4、Could you tell me where _____(buy) a new model ship? 5、There is lots of _____(money) in the bag.

本文来源：https://www.bwwdw.com/article/zlz5.html