摘要： (出示教学挂图-太阳系.让学生们从感官上认识太阳系.教师导入新课.) T: Boys and girls, just now we talked about Mars. As we know, Mars is the fourth planet from the sun in the solar system. Do you know how many planets there are in the solar system? Ss: Yes. There are eight. T: Right. The solar system is like the home of the eight planets. Our planet, the earth, is the third planet from the sun. However, the solar system is a small part of the universe. universe n. 宇宙 The solar system is a small part of the universe. Scientists have sent up spaceships to explore other planets in the solar system. What’s more, some spaceships have gone beyond the solar system. (板书.讲解并要求掌握beyond.) beyond prep. Some spaceships have gone beyond the solar system. Scientists will do more research about the space. So boys and girls, you must study hard. Then you can do something useful to help research the space one day. Do you think so? Ss: Yes, we will study hard. T: OK. Next, let’s read the text to learn more about the solar system. Step 2 Presentation 第二步 呈现

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