m3unit2导学案(阿潘).doc

Module 3 Journey to space Unit 2 We have not found life on any other planets yet 班级：_姓名：_学号：_【学习目标】1、掌握现在完成时的基本形式。2、利用现在完成时谈论某人的经历。【重难点】现在完成时的用法。【课型】阅读课（需要两个课时）【课前预习】一、完成同步精炼P20，自主学习，仔细阅读“课堂导学”。二、完成课本P20. Activity 1三、请在课本P20找出下面的重点短语。1. 太空之旅 _ 2. 在地球上 _3. 数百的 _ 4. 数百万的 _5. 在任何别的星球_ 6他们中没人 _7. 数十亿星星 _8. 他们中一个 _9. 在宇宙中_10. 遥远 _11. 发送要物到 _ 12. 照相_13. 足够远的_ 14. 与交流 _15. 从收_ 16. 太阳系_17. 做调查 _【教学过程】一、听写二、小组点评：每个组的3号或4号同学把预习的词组写在自己的小黑板上，1号点评，2号课后到黑板上给本组加分。三、课文理解：仔细阅读课文，为下列各题选出正确的答案() 1.We have not found _ on any other planets so far. A. life B. animals C. man() 2. There are _ stars in the Galaxy. A hundreds of B millions of C. billions of () 3. Many other galaxies in the university are far away and their light has to travel _ to reach us. A for many months B. for many weeks C. for many years() 4. It is _ to imagine how large the universe is! A. impossible B. important C. difficult() 5. _ has travelled far enough to reach other stars in our galaxy. A. All the spaceships B. No spaceships C. Some spaceships四、小组展示：分组朗读课文Activity2, 小组分段表演。各组1号和4号扮演Tony, 2号和3号读1，3段。声音响亮整齐，读音准确的小组加2分，其次加1分。并完成Activity 4.五、小结：让学生总结本节课所学的主要内容，如本节课的重点与难点。 六、家庭作业：完成同步精炼P21.-22的课堂训练和课后作业。第二课时一、听写 二、阅读课文,回答问题1.Have nt we found any life on any other planets yet so far?_2 How many planets are there in the solar system? _3. Who have sent spaceships to the planets Mars to take photos? _4. Is the earth a star or a planets? _5. Which planet has an environment like that of the earth? _三、用所给单词的正确形式填空We dont know if there is (1) l_ on other planets. There are eight (2) p_ in our solar system. They (3) g_ around the sun. The sun and its planets are (4) c_ the solar system. There are (5) b_ of stars in the Galaxy. The sun is only one of (6) t_. There are many other galaxies in the (7) u_. They are very (8) f_. Its impossible to imagine how (9) l_ the universe is. Scientists have sent spaceships to the Mars. And they have also sent spaceships to (10) t_ outside the solar system. But we still have many questions. We believe that we will find the answers one day.【课堂反馈小测】一、选择填空：( ) 1. We can see many stars _. A. at the night B. on the evening C. at night( ) 2. They are looking for life on Mars but they havent found _ yet. A. something B. nothing C. anything( ) 3. I cant go to the cinema with you, because I _ the composition. A. havent written. B. hasnt wrote C. didnt write( ) 4. The Blacks _ America. They will come back in a month. A. have been to B. have gone to C. has been to( ) 5. Astronauts _ the moon and returned. A. have been to B. have gone to C. has been to( ) 7. .He is too busy _ back. A. to writing B. writes C. to write( ) 8. We havent found life _ any other planets yet. A. on B. at C. in( ) 9. When _ to school this morning? A. did you go B. have you been C. do you went( ) 10. The film is very interesting. My parents have seen it three times _. A. never B. yet C. already二、完成句子：1我妈妈去过北京两次了。My mother _ Beijing twice.2大明去了香港，他将会下个月回来。Daming _ Hong Kong. He will come back next month.3要做的事情这么多，我们都没有时间玩了。 There are _that we have no time to play.4科学家发现了一个遥远的星系。Scientists _ already _a distant galaxy.5看！孩子们正在拍动物的照片。Look! The children _the animals.三、写作训练：根据所给材料