Unit 4 Life on Mars 第2课时 Reading (1)-（教案）【木牍教育·课时A计划】2023-2024学年九年级下册英语牛津译林版（安徽）

第二课时　Reading (1) ◇目标导航◇ 类别 课时要点 重点单词 planet n.行星 crowded adj.拥挤的 polluted adj.被污染的 rapid adj.快的,迅速的 increase n.增加 passenger n.乘客 uncomfortable adj.使人不舒服的;不舒适的 重点单词 tasty adj.味道好的 specially adv.专门地,特地 compare vt.& vi.比较 challenging adj.挑战性的 重点短语 float off 漂浮 in some ways 在某些方面 be full of 充满 make friends with与……交朋友 get lost 迷路 make a list of 列出……的清单 重点句型 1.At present,our spacecraft are too slow to carry large numbers of passengers to Mars...目前,我们的宇宙飞船太慢了,无法运送大批的乘客去火星…… 2.People would have to wear boots that are specially designed to prevent themselves from floating off into space.人们必须穿上特制的靴子以阻止自己飘入太空。 3.The gravity on Mars is only about three⁃eighths of that on the Earth.火星上的重力大约只有地球上的八分之三。 4.Compared with life on the Earth,life on Mars would be better in some ways.与地球上的生活相比,火星上的生活在某些方面要更好些。 5.Every student would have a computer at home connected to an interplanetary network.每个学生家里都会有一台电脑与星际网络连接。 教学重点 1.让学生掌握基本的单词、短语及句型。 2.让学生想象未来在另一个行星上生活的情境。 教学难点 1.让学生识别并列出地球生活与火星生活的不同之处。 2.培养学生的阅读技巧,让学生掌握文章内容,了解文章的框架和结构。 ◇教学过程◇ 预习指导 一、方法指导 　　预习Page 52~53的文章,并预习课后新单词,自主背默。 二、预习检测 根据句意及汉语提示完成单词 1.There are thousands of stars and 　planets　(行星) in space.  2.He came here 　specially　(专门地) to get a grammar book.  3.With the 　rapid　(快速的) development of science and technology,our life is more and more convenient.  4.More and more 　passengers　(乘客) would like to take the underground instead of driving cars.  5.Some actions must be taken to control the 　increase　(增加) of the population in the world.  课堂教学 Step 1 情景导入 　　老师利用图片呈现本课新单词与短语,帮助学生掌握单词释义。 Step 2 阅读前 1.快速浏览Part A的文章,讨论下面的问题。 Our Earth is becoming more and more crowded and polluted,so where can we stay? 2.小组合作,完成Page 54中Part B1和Part B2的练习。 Step 3 阅读中 1.听Part A的录音,然后快速阅读,小组合作,回答下列问题。 (1)Why do people need to move to Mars? Because the Earth is becoming more and more crowded and polluted. 　  (2)How long does it take to fly to Mars at present? It would take months. 　  (3)What would the flight to Mars be like by the year 2100?