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111学习内容 1.Ability goals 能力目标a Discuss the three ways in which gravity changed on the moon and some information about black holes.b. Discuss the questions about the passage: How did gravity change on the moon? What does a black hole look like? What will happen if an object is near the black hole? Teach the Ss to read passages with feeling.2. Learning ability goals 学能目标Enable the Ss to get to know about gravity and black holes.3. Teaching methods教学方法a. Fast readingb. Dealing with comprehension questionsc. Discussion 【课前预习案】 Task one- Read the passage on page 30 学法指导and answer the following questions.1. Who do I have a chance to travel to the 小组合作moon with?2. How did we travel to the moon? 3. Whats the writing order in this text? 4. How many times would the force of gravity change on our journey? 5. Which change would be the most powerful? Task two-Please read Para.2 and underline the sentences about the gravity and our weight during the journey?Task Three-Words 1. n.宗教；宗教信仰 adj. 宗教的2. adj. 猛烈的；强暴的 n. 暴力3. prep. 不同；不像 vt. 不喜欢4. adj. 有害的 v.n. 危害；损害5. vi. 存在；生存 n.存在6. n. 谜 v. （使）迷惑 adj. 迷惑的 adj. 令人迷惑的7. n. 生物学 n. 生物学家8. adj.温和的；文雅的 adv.9. n. 物理学 n. 物理学家10. n. 气候 adj. 气候的11. vi. vt. 碰撞；坠落 n.【课堂探究案】 Reading comprehensionRead and then describe the three ways in which gravity changed for Li Yanping and how his weight changed. Then fill in the form。1 left the earth2 in space3 on the moonThe way gravity changed The weight changedDiscussionSupposing you were the first Chinese astronaut walking on the moon. What will you say to the world? (at least 2 sentences)Language points1. Last month I was lucky enough to have a chance to make a trip into space with my friend Li Yanping, an astronomer.上个月我有幸得到一个机会同我的朋友，一位宇航员李彦平一道去太空旅行。enough的用法:1）用作代词：作主语或宾语。You have done more than enough. 你已做得够多了。I have had enough. Thank you. 我吃的已经够多的了，谢谢。2）形容词作定语：enough用在名词前、后都可以。I have enough time to do the work. / I have time enough to do the work. 我有足够的时间做此项工作。3）用作副词修饰形容词或副词表示程度: enough一般放在形容词或副词的后边。long enough, easy enough, fast enough, quickly enough等。 但一般不说：enough long, enough easy, enough fast, enough quickly. The boy is old enough to go to school. 这孩子到上学的年龄了。He couldnt run quickly enough to catch up with the cat. 他跑的速度太慢，追不上猫。4）用作副词修饰动词时也需放在动词之后。The meat is not cooked enough. 肉炖得不够熟。If I had _ (足够长的假期), Id visit Europe, stopping at all the small interesting places. 2. When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earths. 当我们更接近月球时, 就会感到月球的引力在拉我们。但是, 月球的引力不像地球的引力那么大。get close to 靠近，接近，指动态变化 be close to 距.近，指状态 The school is close to the post office.写出与get相关的短语:相处融洽，进展等 开始认真对待，开始认真考虑 上车 到达；通过；办完，花光(钱、时间等) 到达 用下列词组填空get down to; get on; get through; get to; get over; get up1. Dont talk too much. Lets _working.2. Hurry up, or well be late to _ the bus.3. Its easy to _ the difficulty.4. I have _ a lot of papers.5. She managed to _ the village.3.But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.而当我试着向前迈步的时候，我发觉我被送出去很远，步子的跨度竟是地球上的两倍，因而我摔倒了。twice as .as. 是的两倍联想拓展英语中的倍数表达法：倍数+as +adj./adv.+as 是的几倍倍数+adj./adv.的比较级+ than 比(多/大)几倍倍数+ the +表示长度/高度/宽度等的名词+ of是长度/高度/宽度的几倍，此结构中常用的名词有：size, height, weight, length, width, depth等。This ruler is three times as long as that one.=This ruler is twice longer than that one. =This ruler is three times the length of that one.这把尺子是那把的三倍长。There are four times as many students as we expected. 到的学生是我们预计的五倍。 高手过招(1)翻译句子 这个房子是那个的三倍大。(2)完成句子到的客人是我们预计的两倍。There are we expected .4. Walking does need a bit of practice now that gravity has changed.既然引力改变了，走路也的确需要练一练了。要点提示:now that 的意思为“既然，由于”，从属连词，引导原因状语从句或者时间状语从句，在口语中可以省略that。典型例句:Now that you have mentioned it,I keep it in mind.既然你提到了，我要装在心里。相关链接:与now that意思相近的有seeing that，since等。Since the professors lecture is very instructive,why not go and attend it.既然教授的报告很有教育意义，为什么不去听呢？Since you have finished doing homework,you can go out for a rest.既然你已经完成了作业，你可以出去休息一下。Seeing that you have enough money,you lend me a lot.鉴于你有足够的钱，你借给我一些。选择填空（1）_ your father have bought a new bike for you,its no use going to the shop to buy another one.A.Now thatB.AlthoughC.After allD.Because ofTranslation:1. 既然你忙, 就让我给你做吧。 2. 既然人都齐了, 咱们开始干吧。 谜语（2）What is it that Adam has none,Eve has two and everyone has three?（3）What is it that the dead eat and the living would die if they ate?5. We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased.break out它与happen, take place, come out等词的用法一样，是不及物动词，不能带宾语，不能用于被动语态。1) 战争爆发The American Civil War broke out in 1861. 美国内战爆发于1861年。2) 发生争吵A quarrel broke out between them.他们之间发生了争吵。3) (火灾)发生 Afirebrokeoutinhishouselastnight.昨晚他家里失火了。与break相关的短语:打破; 毁掉; 破除; 坍塌; 坏掉 破门而入; 打断 脱离; 打破陈规 突围; 突破; 冲垮; 克服 打碎; 拆散; 分裂; 分解 食言; 说话不算数 【课后训练案】 一词汇1. 天文学 2. 系统；体制；制度3. 宗教；宗教信仰 4. 学说；理论5.原子 6. 球体；地球仪；地球7. 碳 8. 大气层；气氛9. 有害的 10. 基本的；基础的11. 酸 12. 不同；不像13. 氧 14. 乘；增加15. 链子；连锁；锁链 16. 生存；存在二词组1. 爆发；突发 2. 既然3. 感到高兴；感到振奋 4. 阻止；制止5. 下蛋 6. 轮到某人；接着7. 密切注视；当心；提防 8. 及时；终于9. 依靠；依赖 10. 撞击；撞入11. 组成 12. 结果13. 产生；分娩 14. 使.充满三完成句子或翻译。1. 他除了给我忠告外，还给我钱。(as well as) 2. 他不知如何回这封信。(puzzle) 3. 结果，他们拯救了这片森林里90的树木。(as a result) 4. 现在轮到我们学会如何与别人相处了。(in ones turn) 5. 移动电话使得我们有可能与任何地方的任何人交谈。（make it possible for sb. to do sth.） 111
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