必修三unit4reading 2A_visit_to_the_moon

1、spacewalkWhat is the biggest problem for those travel to the moon?Gravitythe natural force that causes an object to move toward the centre of the earth. GravityWho found the law of gravity? One of the greatest mathematician and physicist in the world. How he found the law of gravity?vOne day, Newton

2、 was reading under an apple tree.vSuddenly, an apple fell down. Three Apples that Have Changed the World.1. Adam and Eves Apple2. Newtons Apple3. Steve Jobs Apple A VISIT TO THE MOONNow, lets set out for the moon!Skim the 4 paragraphs quickly, and find out the topic of each paragraph: Para( ): The t

3、hings I did on the moon. Para( ): We turned back to the earth. Para( ): Last month, we visited the moon.Para( ): How the force of gravity changed when we traveled from the earth to the moon.1 3 4 2 Task 2. Careful reading 1. Who do I have a chance to travel to the moon with ?2. How did we travel to

4、the moon?Li Yan Pin , an astronomerby spaceshipPara.1 Please read Para.2 and underline the sentences about the gravity and our weight during the journey?Para.2Task 2. Careful reading The change of gravityon the moonin spacegravityvery lightdisappearingstrongon the earthThe change of my weightweighto

5、n the moonin spaceon the earthone-sixthheavyno weightWhat happened to me when I tried to step forward? Why?I was carried twice as far as on the earth and fell over.Because the gravity has changed.Para.3Task 2. Careful reading Walking on the moonReturning to the earthBecause fire broke out on the out

6、side of the spaceship as the earths gravity increased.1.Why was returning to the earth very frightening?2.How did I feel?I was very exhausted but very excited too.Para.4Task 2. Careful reading Last month I visited the moon with my friend. Before we left, I was told the force of g_ would change three

7、 times on our journey. Then we took off. As we left the earth, I became very h_. Gradually the weight l_. When I was in space, it d_. We f_ weightlessly in the cabin and I c_ _. When I was on the moon, I was surprised to find out even walking needs lots of practice n_ _ gravity changed. The returnin

8、g of the earth was very f_. We were amazed to watch fire b_ _ on the outside of the ship. gravityheavylesseneddisappearedfloatedcheered upnow thatfrighteningbreak outRetell DiscussionLife is different on a spaceship. There is very little gravity so that things float around. In pairs discuss what you

9、 need if you travel to the moon:l to protect your skinl to stop you flying off the moons surface and into spacel to stop your food floating awayLanguage Pointsv地球引力地球引力vthe force of gravityv離開離開 vbe off v逃離地球的引力逃離地球的引力vescape the pull of the earths gravityv減少重量減少重量 vlessen the weight.v1. I was lucky

10、 enough to have a chance to make a trip into space. have a chance to do sth. Mary is very happy that she has a chance to make a trip into space. 3. . “walking does need a bit of practice now that gravity has changed.” .既然引力改變了，走路也的確需要練一練既然引力改變了，走路也的確需要練一練了。了。 now that同同since相似，語氣較弱，強(qiáng)相似，語氣較弱，強(qiáng)調(diào)人們已知的事

11、實(shí)。調(diào)人們已知的事實(shí)。Translation:1. 既然你忙既然你忙, 就讓我給你做吧。就讓我給你做吧。Now that you are busy, let me do it for you.2. 既然人都齊了既然人都齊了, 咱們開始干吧。咱們開始干吧。Now that everyone is here lets start work 4. We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased. break out 它與它與happen, take

12、 place, come out等詞等詞的用法一樣，是不及物動(dòng)詞，不能帶賓語，不能的用法一樣，是不及物動(dòng)詞，不能帶賓語，不能用于被動(dòng)語態(tài)。用于被動(dòng)語態(tài)。 1) 戰(zhàn)爭爆發(fā)戰(zhàn)爭爆發(fā)The American Civil War broke out in 1861. 美國內(nèi)戰(zhàn)爆發(fā)于美國內(nèi)戰(zhàn)爆發(fā)于1861年。年。 2) 發(fā)生爭吵發(fā)生爭吵A quarrel broke out between them. 他們之間發(fā)生了爭吵。他們之間發(fā)生了爭吵。3) (火災(zāi)火災(zāi))發(fā)生發(fā)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。與與break相

13、關(guān)的短語相關(guān)的短語: break down 打破打破; 毀掉毀掉; 破除破除; 坍塌坍塌; 壞掉壞掉 break in 破門而入破門而入; 打斷打斷7. cheer up; cheer sb. up 感到高興振奮感到高興振奮 8. masses of 許多，大量許多，大量9. get the hang of 熟悉熟悉,掌握掌握,理解理解10. exhausting (sth); exhausted (sb)1). “A + be + 倍數(shù)倍數(shù) + as +形容詞原級(jí)形容詞原級(jí) + as + B”. This tree is three times as tall as that one. Hi

14、s father is twice as old as he.2). “A + be + 倍數(shù)倍數(shù) +形容詞比較級(jí)形容詞比較級(jí) + than + B ” 5. not be as strong a pull as the earths I was carried twice as far as on the earth and fell over. The Yangtze River is almost twice longer than the Pearl River. 長江差不多比珠江長兩倍。長江差不多比珠江長兩倍。 The number of students in our school

15、 is three times larger than that in theirs. 我們學(xué)校的學(xué)生數(shù)量比他們學(xué)校的多三倍。我們學(xué)校的學(xué)生數(shù)量比他們學(xué)校的多三倍。 3). “A + be + 倍數(shù)倍數(shù) + the +名詞名詞 (size, length, amount) + of + B” The newly broadened square is four times the size of the previous one. 新擴(kuò)建的廣場(chǎng)是未擴(kuò)建時(shí)的四倍大。新擴(kuò)建的廣場(chǎng)是未擴(kuò)建時(shí)的四倍大。 Do you regret _(pay) 100 dollars for the painting? No, I would gladly have paid _ (兩倍那么多了兩倍那么多