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Unit 4 Astronomy: the science of the stars Using language 班级： 姓名： 一、学习目标及解析 学习目标： 1、能通读全文，把握文章大意，有哪些信誉好的足球投注网站文章关键信息； 2、了解有关万有引力的三大变化； 3、掌握本节课所听的重点单词、短语； 情感目标： 阅读是学习语言的必要手段之一，学生应明白这一节课的重要性，一定好好学习、练习阅读，并对阅读产生强烈的兴趣，为以后继续学习听力打下坚实基础。 二、问题与例题： 问题一: Can you choose the best answers according to the text? 1. The passage is mainly about ____? A. introduction of the moon B. the gravity that I felt on my way to the moon C. my visit to the moon D. my friend Yan ping, an astronomer 2. According to the text, we know that the force of the gravity would change_____ times. A. 2 B. 3 C. 4 D. 5 3. When did the author feel strongest of the gravity of the earth? A. On the moon. B. On the half way to the moon. C. At the very beginning D. On their leaving from the moon 4. What causes the writer to feel that he becomes weightless on the moon? A. Spaceship B. Gravity C. His friend D. His Good feelings of the moon 5. From the text we can know if a man grows up on the moon, ___. A. he will grow taller than on the earth B. he will grow shorter than on the earth C. he will become fatter D. he will become weightless 问题二: Can you fill in the blanks according to the passage? The force of gravity changes 3 times Change 1 When we are trying to the pull of the earth’s , it is we could not say anything to each other. Change 2 When we are in space, we there is no gravity at all. Change 3 When we are on the moon, we are able to move and certainly _ _less. 问题三: language points 1. pull n．vt.拉(力)；拖；牵引(力)归纳拓展 pull apart拉开；分开；扯断 pull away(汽车)开走；把……抛在后面 pull in进站；吸引 pull out离站；(使)摆脱困境 pull over靠路边停车 pull through恢复健康；完成(十分困难的事) pull up使车停住 pull down贬低(人)；拆毁(建筑物)Eg: He gave a strong pull at the rope.他用力拉了拉绳子。 Tom jump