人教版必修三unit4_atronomy_using_language

1、 Look at the pictures! Who was the first person who visited the moon? Neil Armstrong In July of 1969, he commanded the Apollo 11 and landed on the moon. floatzero gravity/ weightless Task 2. Skimming 1. Who do I have a chance to travel to the moon with ? 2. How did we travel to the moon? 3.Whats the

2、 writing order in this text? 4. How many times would the force of gravity change on our journey? Li Yan Pin , an astronomer By spaceship Three times Time order Time order Before visiting While visiting After visiting (Before we left) (When we got there) (returning to the earth) The force of gravity

3、would change four times on their journey . ( ) 2. When they were on the moon, they would not feel the gravity because there was no gravity on the moon. ( ) 3. Since the gravity has changed, their walk didnt need a lot of practice. ( ) 4. “A visit to the moon” was not a real story but science fiction

4、 .( ) 5. Their returning to the earth was frightening. ( ) F F F T T three would as if did( Para3, L8 ) ( Para2, L9 ) ( Para2, Line1 ) ( Para4, L2 ) Detailed reading: very strong disappeared very light Read Para 2 carefully and underline 3 sentences that are about the changes of the force of the gra

5、vity. (as he left, in space, on the moon) Careful reading The change of gravity on the moon in spacegravity very light disappearing strong on the earth The change of my weight weight on the moon in space on the earthone-sixth heavy no weight On the moon The change of gravityThe change of gravity In

6、space Very strong Very heavy Disappeared Floated weightlessly Very light Leave the earth Scanning With the rocket rising into the air, we were _ into our seat because of the strong _ of the earths gravity. Gradually the weight _ as we moved far away from the earth. And I _ weightlessly around in our

7、 spaceship cabin. When getting closer to the moon, we felt pulled by _, but it was not as strong as the earths. pushed pull lessened floated gravity Read Para12: 1.From the passage, we can infer that_ A.The writer was an astronomer. B.It was the writers first time to make a trip into space. C.Li Yan

8、ping had been to space several times. D.Li Yanping and the writer was doing a research into space. 2.When the rocket was being sent into the air, the writer and Li Yanping_. A.were floating around in the cabin. B.were talking and laughing happily. C.were sleeping in comfort in the spaceship. D.were

9、being pressed against their seats. B D Read Para3: Q:When the writer climbed down the steps from the spaceship and tried to step forward, what happened? Why? He was carried twice as far as on the earth and fell over. His mass was less and weighed less on the moon. Read Para4 What does the writer thi

10、nk of their returning trip to the earth? Why? frightening exhausting exciting The reason why the fire broke out might be that_. A.the spaceship had crashed into a flying object in space. B.an unexpected problem had turned up. C.the outside of the spaceship rubbed against the earths atmosphere. D.the

11、y wanted to see their route back more clearly. C Discussion Supposing you were the first Chinese astronaut walking on the moon. What will you say to the world? (at least 2 sentences) In group of four Spokesman Time limit :2min What is the writing form ? story B. Travel journal C. essay D. biography

12、What is the writing order of the text ? Time order (structure) What should we write in detail? activities feelings places before while after Time order Before going While visiting After visiting when where who what how Summary: Last month I visited the moon with my friend. Before we left, I was told

13、 the force of g_ would change three 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

14、 n_ _ gravity changed. The returning of the earth was very f_. we were amazed to watch fire b_ _ on the outside of the ship. gravity heavy lessened disappearedfloated cheered up now that frightening break out 1. Last month I was lucky enough to have a chance to make a trip into space with my friend

15、Li Yanping, an astronomer. 上个月我有幸得到一个机会同我的朋友，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。一位宇航员李彦平一道去太空旅行。 Language points have a chance to do 有机会做某事有机会做某事 I hope I can have a chance to travel to space. give sb a chance 给某人机会给某人机会 Could you give me one more chance? by chance =by accident I discovered it by ch

16、ance. 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. get close to 靠近，接近，指动态变化靠近，接近，指动态变化 be close to 距距.近，指状态近，指状态 The school is close to the post office. 家长应该阻止孩子接近火。家长应该阻止孩子接近火。 _Parents should prevent children from getti

17、ng close to fire. “as as ”句式：句式： 和和.一样一样 as +adj./adv. +as as +adj (+a +可数名词单数）可数名词单数）+as as +adj+(不可数名词或可数名词复数）不可数名词或可数名词复数）+as His bedroom is as clean as his sisters. Youve made as many mistakes as I have. “as as ”句式的句式的否定否定: “ not as/so as” e.g. He can not speak English so fast as a native speake

18、r. as+ adj.+(n.)+ as This film is _that one. 这部电影和那部电影一样有趣。这部电影和那部电影一样有趣。 We should plant trees _. 我们应该尽可能多种树。我们应该尽可能多种树。 This dictionary is _you think. 这本字典不如你想象的那样有用。这本字典不如你想象的那样有用。 John is _as mike. 约翰和迈克是一样聪明的学生。约翰和迈克是一样聪明的学生。 as interesting as as many as possible not as useful as as clever a st

19、udent 当看到当看到Beckham，球迷们，球迷们(the fans)欢呼起来欢呼起来。 _ _ _ _ when they saw Beckham. 他带她去听音乐会他带她去听音乐会(concert)来来使她高兴使她高兴。 He took her to the concert to _ _ _. Thefanscheeredup cheer her up Cheers! Our football team will compete against the Japanese team this evening. Lets go and cheer them up！ 为某人加油为某人加油 3

20、. I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger. 干杯干杯! 1) . A + be + 倍数倍数n+ as +形容词原级形容词原级 + as +B 4. But when I tried to step forward, I found I was carried twice as far as on the earth and fell over. 3). A + be

21、 + 倍数倍数n +形容词比较级形容词比较级 + than + B A比比B大大(长、高、宽等长、高、宽等)n倍倍 2). A + be + 倍数倍数n + the +名词名词 (size, length, width, height, depth, weight, amount) + of + B A是是B的的n倍倍 倍数表达法：倍数表达法： 这根绳子这根绳子(rope)是那根绳子的六倍长。是那根绳子的六倍长。 A=nB A=(n+1)B 考例：考例： Our new library is _ the old one. A. four times as large as B. four ti

22、mes the size C. four times larger D. four times larger than that 这条河是那条河的五倍宽。这条河是那条河的五倍宽。 1._ 2._ 3._ 这块石头的重量是那块石头的三倍。这块石头的重量是那块石头的三倍。 1._ 2._ 3._ 这颗树是那颗树的四倍高。这颗树是那颗树的四倍高。 1._ 2._ 3._ This river is five times as wide as that one. This river is four times wider than that one. This river is five times

23、 the width of that one. This stone is three times as heavy as that one. This stone is twice heavier than that one. This stone is three times the weight of that one. This tree is four times as high as that one. This tree is three times higher than that one. This tree is four times the height of that

24、one. 5. . “walking does need a bit of practice now that gravity has changed. now that同同since相似，语气较弱，强调人相似，语气较弱，强调人 们已知的事实。后跟句子。们已知的事实。后跟句子。 Translation: 既然你已经得到这个机会，就应该充分利用它。既然你已经得到这个机会，就应该充分利用它。 Now that youve got the chance, you should make full use of it. 7.We watched, amazed as fire broke out on

25、 the outside of the spaceship as the earths gravity increased. amazed 是过去分词，此处做状语用是过去分词，此处做状语用 他进来的时候没有人注意到他进来的时候没有人注意到. He came in _ . break out (战争战争,争吵争吵,疾病等疾病等)爆发爆发 unnoticed 它与它与happen, take place, come out等词的用法一样，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。是不及物动词，不能带宾语，不能用于被动语态。 1) 战争爆发战争爆发 The American Ci

26、vil War broke out in 1861. 2) 发生争吵发生争吵 A quarrel broke out between them. 3) (火灾火灾)发生发生 A fire broke out in his house last night. My car _ (抛锚抛锚) so I had to walk there. The famous band _ (解散解散) in the end. Thieves _ (闯入闯入) his house last night. The war _ (爆发爆发) ten years ago. The enemys defenses wer

27、e strong but our soldiers _(突破；突围突破；突围). broke down broke up broke into broke out broke through 与与break相关的短语相关的短语: 选用方框内合适的词或短语，并用其选用方框内合适的词或短语，并用其 适当形式填空。适当形式填空。(其中有一个多余选其中有一个多余选 项项) Be careful of your _, Tom. Dont eat too much. 2. You ought to have a good rest _ youve finished the work. weight now

28、 that float; now that; weight; get the hang of; watch out; pull 3. She spent the afternoon _ on her back in the pool. 4. It seems difficult at first, but youll soon _ it. 5. You have to _ because there are land-mines all over the place. watch out floating get the hang of float; now that; weight; get

29、 the hang of; watch out; pull II . 用适当的介词或副词填空。用适当的介词或副词填空。 1. Come on. Cheer _! Youre not the only one who failed in the test. 2. Since there are many problems that cant be solved, the war is likely to break _. 3. Last Saturday, I went on a visit _ the Great Wall with some of my friends. 4. Is ther

30、e anything else you would like me to explain _ you? up out to to 5. Water vapor is lighter, otherwise it would not rise _ the air. 6. His grandfather lives in a lonely village which is far _ his house. 7. The leaves fall _ the trees and blow about in the autumn wind. 8. As a matter of fact, I didnt know him _ all. into from from / off at 9. Make sure that your children can