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1、第 1 页 共 4 页 How Life Began on The Eart编写人：胡小军编写人：胡小军 编写时间：编写时间：2014-3-15 班级：班级： 小组编号：小组编号： 组名：组名： 姓名：姓名： Warming up and reading【学习目标学习目标】：1. To learn about the origin of life on the earth.2. To master the usages of some key language points.3. To develop the feeling of treasuring the earth and life.【
2、重点难点重点难点】： 1.了解宇宙科学、地球生命的起源，了解万有引力、黑洞和太空旅行等天文知识，培养学 生对科学的兴趣、激发学生探讨科学的热情。 2.掌握本单元的词汇和习惯用法。 3.学会在日常交际中正确运用指示语。学习方法学习方法：自主探究；小组研讨课前自主预习方案课前自主预习方案 【使用说明及学法指导使用说明及学法指导】1.学习天文常见词汇学习，扩展自己的词汇知识。2.运用知识语法 填空。 Task1: read and rememberTask2Task2：语法填空 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空 格处填入一个适当的词或使用括号中词语的正确形式填空。China
3、 has a fast-growing space program. A_1_（success） Moon mission would be the third major event in the history 2_ Chinas space program, after the launch of their first orbiting satellite in November 1999 and first manned mission, 3_Yang Li wei orbited(运行) Earth fourteen times on the cosmos 宇宙来源:Z|xx|k.
4、Comfixed star 恒星earth 地球evening star 昏星world 世界planet 行星Mars 火星aureole 光环milky way 银河asteroid 小行星 Jupiter 木星eclipse 食solar system 太阳系satellite 卫星Saturn 土星southeast 东南interplanetary 行星际 的shooting star 流星Uranus 天王星shuttle 航天飞机sky 天Mercury 水星Neptune 海王星northeast 东北zenith 天顶Venus 金星morning star 晨星northw
5、est 西北第 2 页 共 4 页 Shenzhou V on October 15, 2003. The Change program, named after a lovely girl in a Chinese story who 4_ (take) a magic potion （药）and flied to the Moon, will be a three-part series of missions 5 _ will finish in about 2020. In addition to the orbiter Change 1, the Chinese space agen
6、cy is planning a mission to land a rover on the Moon, 6_ (hope) to collect material that will be returned to Earth. 7_ (final), these missions may lead to manned expeditions to the Moon - or to the possible 8_ (develop )of a permanent(永久的), manned Moon base. 9_ entire mission series should last abou
7、t thirteen years, for a total cost of about 14 billion Chinese Renminbi (equal to 1.73 billion U.S. dollars). In addition, China may cooperate with Russia in its Moon exploration program 10_ is tentatively planning on signing a ten-year cooperation agreement in 2007.课堂自主学习方案课堂自主学习方案 要点探究要点探究 质疑解惑，合作
8、探究探究点一：探究点一： Group discussion Why did dinosaurs die out? Why do you think that humans are the cleverest animals on the earth? What should people do to protect our earth?(Have a discussion with your group members and make a short speech about 2 minutes) _ _ _探究点二：探究点二：Task1:Reading and answering1.Wha
9、t theory do people accept on how the earth began?2.How did water come into being on the earth?3.Whats the significance of the presence of water on the earth? 来源:Z|xx|k.Com4. How do life develop?5.Are humans nice to the earth? what problem is caused by human beings? Task2: Can you put the order of de
10、velopment of life into a time line?Use the reading to help you.第 3 页 共 4 页 （ ）1 insects and amphibians appeared（ ）2 dinosaurs appeared （ ）3 the earth became a solid ball （ ）4small plants grew on the water（ ）5 reptiles appeared（ ）6 plants began to grow on dry land（ ）7 the earth was a cloud of dust（ ）
11、8 water appeared on the earth（ ）9 shellfish and other fish appeared（ ）10 the universe began with a “Big Bang”（ ）11 clever animals with hands and feet appeared（ ）12 mammals appearedTask3: Can you put the order of development of life into a time line?Use the reading to help you.Paragraph1: Paragraph2:
12、 Paragraph3: Paragraph4: Paragraph5: 课后自主反思与测评课后自主反思与测评 课后自主反思课后自主反思 同学们，经过了课前自主预习和课堂自主学习之后，相信你一定有了一些收获吧，是掌握了必须学习的知识点? 或是掌握了一些学习上的技巧与方法? 或者还有什么有待改进的地方？在下面动笔写写吧，善于总结的学生才是会学习的学生！这一阶段我学会了这样一些语言知识：句型：_ _ _ 这一阶段我突破了这样一些重难点：_ _ 第 4 页 共 4 页 这一阶段我觉得还需要提高的是：_ _ 答案：答案：Task2：语法填空Successful，of，when，takes ，that ，hoping ，Finally ，development ，The ，and 探究点二：探究点二：Task1:Reading and a
