月球之旅.ppt

主讲：刘晶主讲：刘晶 Words revision1.天文学天文学 _2.宇宙飞船宇宙飞船 _3. 拉力，牵引力拉力，牵引力 _4. 漂动，浮动漂动，浮动 _5. lessen _6. weightlessly _7. cabin _8. exhaust _astronomyspaceshippullfloat减少，减轻减少，减轻失重地失重地小屋，船舱小屋，船舱用尽，耗尽用尽，耗尽 Expressions review1.太阳系太阳系 _2.感到高兴感到高兴 _3.既然既然 _4.掌握，熟悉掌握，熟悉 _5.突发，爆发突发，爆发 _6.密切注视，当心密切注视，当心 _cheer upsolar system now thatget the hang ofbreak outwatch out forJade Rabbit玉兔号玉兔号Change threeLead-inLead-inDo you want to go to the moon? 1.培养学生的阅读能力培养学生的阅读能力2.训练学生的阅读技巧训练学生的阅读技巧3.学习并掌握本课的重点词汇学习并掌握本课的重点词汇4.激发学生对天文知识的兴趣，培激发学生对天文知识的兴趣，培养其科学探索精神养其科学探索精神Finish the following exercises.Finish the following exercises.1.From the title of the reading, the text is mainly about _.a visit to the moon2.How many times the gravity would change on the journey?Three times.3.When they came back, what did the author know much more about?Gravity .Three times(location)The way gravity changed1.Left the earth2.In space3.On the moon3.It became_.1.The gravity became_.2.The gravity_. very powerfuldisappearedvery lightMultiple choice.1.My weight would become less on the moon, because_.A. there is no gravityB. the moon is smallerC. I was in the rocketD. there is too little oxygen 2. _ was more painful A. Leaving the earth B. Being on the moonC. Leaving the moon D. Returning to the earth3. The moons gravity is _the earths.A. as weak as B. as strong asC. not as weak as D. not as strong as Summary Fill in the blanks I, with my friend Li Yanping visited the moon in our _last month. As the rockets rose into the air, we felt we were _into our seats. Gradually the weight _and we couldnt feel the _of the earths gravity. On the moon, I _over when I tried to step forward and I realized that my had become less than on the earth. _to the earth was a very frightening and _ (exhaust) experience, of course, we watched, _(amaze) as fire _on the outside of the spaceship, dreaming of one day visiting some stars!spaceshippushed backlessenedpullfellweightReturning exhaustingamazedbroke out123456789101.Paraphrase（替换句子）（替换句子） As a result of the change of gravity, walking must be practiced a lot.(Para3)Before long, we managed to walk on the moon and it was fun with ease. (Para3) Walking does need a bit of practice now that gravity has changed.After a while I got a hang of it and we began to enjoy ourselves.Language points 1. . “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。既然引力改变了，走路也的确需要练一练了。now that同同since相似，语气较弱，强调人们相似，语气较弱，强调人们已知的事实。已知的事实。既然人都齐了既然人都齐了, 咱们开始工作吧。咱们开始工作吧。Now that everyone is here, lets start workLanguage points 2. We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased.break out与与happen, take place, come out等词的用法一样，是不及物动词，不能带宾语，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。不能用于被动语态。 1) 战争爆发战争爆发The American Civil War broke out in 1861. 美国内战爆发于美国内战爆发于1861年。年。 2) 发生争吵发生争吵A quarrel broke out between them. 他们之间发生了争吵。他们之间发生了争吵。Language points 3) (火灾火灾)突然发生突然发生 A fire broke out in his house last night. 昨晚他家里失火了。昨晚他家里失火了。拓展拓展:break短语短语 break down 打破打破; 毁掉毁掉; 破除破除; 坍塌坍塌; 坏掉坏掉 break in 破门而入破门而入; 打断打断 break up 解散；分裂，瓦解；打碎解散；分裂，瓦解；打碎Language points 3. But when I tried to step forward I found I was carried twice as far as on the earth and fell over. 1). “A + be + 倍数倍数 + as +形容词原级形容词原级 + as + B”. This tree is three times as tall as that one. His father is twice as old as he. 2). “A + be + 倍数倍数 +形容词比较级形容词比较级 + than + B ” The number of students in our school is three times larger than that in theirs.3). “A + be + 倍数倍数 + the +名词名词 (size, length, amount) + of + B”The newly broadened square is four times the size of the previous one. 2.Writing 2.Writing Have a happy trip Have a happy trip to the moonto the moon1.Retell the text.