上課用的必修三unit4_atronomy_using_language

1、Unit 4 Using LanguageWhat is the earths natural satellite?The moon.（天然衛(wèi)星）（天然衛(wèi)星）spacewalkLook at the pictures! 1. How many times would the gravity change during their journey?A. Twice B. Three times C. Four times D. Once2. Why was the spaceship not falling back to the earth?A. Because it was too far

2、from the earth to feel its pull. B. Because it was too big C. Because it was far from the moon.D. Not mentioned in the text.Read the text again and choose the best answer.(2mins)3.Which one is NOT true according to the passage?A. The moons gravity is not as strong as the earthsB. We enjoyed ourselve

3、s on the moon. C. Walking on the moon was not very easyD. Leaving the moons gravity was more painful than leaving the earths4.Which of the following can replace the phrase “now that”?A.“since” B. “when” C. “while” D. “where”5.Returning to the earth was very_.A.interesting B. exciting C. Frightening

4、D. amazingTask 2. Skimming1. Who do I have a chance to travel to the moon with ?2. How did we travel to the moon?3. What is the writing form ?4.Whats the writing order in this text?5. How many times would the force of gravity change on our journey? Li Yan Pin , an astronomerBy spaceshipThree times ,

5、 the first timeA travel journal Time order The force of gravity 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. “

6、A visit to the moon” was not a real story but science fiction .( )5. Their returning to the earth was frightening. ( )FFFTTthree wouldas if did( Para3, L8 ) ( Para2, L9 ) ( Para2, Line1 ) ( Para4, L2 )Detailed reading: 課文短語與句子考點(diǎn)梳理課文短語與句子考點(diǎn)梳理Translate the words or phrases below1. the force of gravity

7、 _2. spaceship _3. rocket _4. pull _5. float _ spaceship cabin _7. weightlessly _8. exhausting _9. escape the pull of the earths gravity_10. lessen the weight_11. in space _重力重力n.宇宙飛船宇宙飛船n.火箭火箭拉力；牽引力拉力；牽引力v.漂浮漂浮太空艙太空艙失重地失重地adj.筋疲力盡的筋疲力盡的逃離地球的引力逃離地球的引力減少重量減少重量 在宇宙空間在宇宙空間 exhausted1.有機(jī)會(huì)去做某事有機(jī)會(huì)去做某事2. 做

8、一次太空旅行做一次太空旅行3.向某人解釋某事向某人解釋某事4.離開，出發(fā)離開，出發(fā)5.接近接近.6.高興，振奮高興，振奮7.既然既然8.掌握，了解掌握，了解9.(不好之事不好之事)突發(fā)；爆突發(fā)；爆發(fā)發(fā)1. have a chance to do sth.2. make a trip into space3. explain to sb. sth.4. be off5.get closer to6. cheer up7. now that8. get the hang of 9. break out (break-broke-broken)=set off(since)Find out the

9、useful phrases (1 min)1. 我的朋友李彥平是一位天文學(xué)家。上個(gè)月我有幸得到我的朋友李彥平是一位天文學(xué)家。上個(gè)月我有幸得到一個(gè)機(jī)會(huì)同他一個(gè)機(jī)會(huì)同他 一起去太空旅行。一起去太空旅行。1 Last month I was lucky enough to have a chance _( make)a trip_ space with my friend Li Yanping, _astronomer. 2. 我們乘宇宙飛船參觀了月球。我們乘宇宙飛船參觀了月球。2 We visited the moon _ our spaceship! 3. 在啟程以前，李彥平向我解釋說，在我們

10、的航行中會(huì)在啟程以前，李彥平向我解釋說，在我們的航行中會(huì)有三次引力的改變，而第一次的改變將是最強(qiáng)的。有三次引力的改變，而第一次的改變將是最強(qiáng)的。 we left, Li Yanping explained_ me that the force of gravity _change three times on our journey and _ the first change would be the most powerful. 完成語法考點(diǎn)并把句子翻譯成中文完成語法考點(diǎn)并把句子翻譯成中文 intoanto makein tothatwould4. 這種引力太強(qiáng)了，以至于我們彼此間都不能說

11、這種引力太強(qiáng)了，以至于我們彼此間都不能說話了。話了。4 _was so hard that we could not say_ to each other. 5. 隨后這個(gè)力量慢慢減小，我才能夠同他講話。隨后這個(gè)力量慢慢減小，我才能夠同他講話。5 _(gradual)the weight _ (less) as we moved far away from the earth. And I floated_ (weight)around in our spaceship cabin. 6. 李彥平解釋說：李彥平解釋說：“現(xiàn)在我們離地球太遠(yuǎn)了，感覺不到現(xiàn)在我們離地球太遠(yuǎn)了，感覺不到地球的拉力，所

12、以我們感覺好像沒有地球引力了地球的拉力，所以我們感覺好像沒有地球引力了。6 We are far from the earth now _(feel) pull, he explained, so we feel as if there is no gravity at all. lessenedItanythingweightlesslyGraduallyto feel7. 當(dāng)我們更接近月球時(shí)，就會(huì)感到月球的引力在當(dāng)我們更接近月球時(shí)，就會(huì)感到月球的引力在拉我們。但是，月球的引力不像地球的引力那拉我們。但是，月球的引力不像地球的引力那么大。么大?！? When_(get) closer to

13、the moon, we felt _(pull) by gravity, _it was not as strong as the earths.8. 我立刻感到很高興，由于失重我在太空艙里飄我立刻感到很高興，由于失重我在太空艙里飄來飄去，我望著（身后的）地球越來越小，而來飄去，我望著（身后的）地球越來越小，而（前方的）月球越來越大。（前方的）月球越來越大。8 I cheered up immediately and floated weightlessly around in our spaceship cabin _(watch)the earth become _(small) and

14、 the moon larger. gettingpulledbut watchingsmaller9. 如果我在月球上呆的時(shí)間足夠長的話，我甚如果我在月球上呆的時(shí)間足夠長的話，我甚至可能長得更高，我的體重肯定也會(huì)變得更至可能長得更高，我的體重肯定也會(huì)變得更輕！輕！”I might even grow _(tall) stay here long enough. I shall certainly weigh less! 10. 而當(dāng)我試著向前邁步的時(shí)候，我發(fā)覺我被送而當(dāng)我試著向前邁步的時(shí)候，我發(fā)覺我被送出去很遠(yuǎn)，步子的跨度竟然是在地球上的兩倍，出去很遠(yuǎn)，步子的跨度竟然是在地球上的兩倍，因而我

15、摔倒了。因而我摔倒了。But _I tried to step forward, I found I twice as far as on the earth and .tallerwhen11. “天哪，天哪，”我大聲說，我大聲說，“重力改變了，看來走重力改變了，看來走路也的確需要練一練了。路也的確需要練一練了?！監(jiān)h dear, I cried, walking _need a bit of practice gravity has changed. 12. 過了一會(huì)兒，我才掌握了走路的訣竅，這才開始感過了一會(huì)兒，我才掌握了走路的訣竅，這才開始感到自如了到自如了。 After_ while

16、 I it and we began to enjoy_. 13. 擺脫月球引力不像擺脫地球引力那樣痛苦。但是返擺脫月球引力不像擺脫地球引力那樣痛苦。但是返回到地球的經(jīng)歷卻是非常嚇人的?；氐降厍虻慕?jīng)歷卻是非常嚇人的。Leaving the moons gravity was not_ painful as leaving the earths. But returning to the earth was very_( frighten). a ourselves asfrightening. 14. 我說道：我說道：“真是精疲力竭了，但也很激真是精疲力竭了，但也很激動(dòng)人心。關(guān)于引力，我現(xiàn)在就

17、懂得更多了。動(dòng)人心。關(guān)于引力，我現(xiàn)在就懂得更多了。 That was very exhausting _very exciting too, I said. Now I know much more _gravity! about 背誦背誦 1. Last month I was lucky enough to have a chance to make a trip into space with my friend Li Yanping, an astronomer.上個(gè)月我有幸得到一個(gè)機(jī)會(huì)同我的朋友，一上個(gè)月我有幸得到一個(gè)機(jī)會(huì)同我的朋友，一位宇航員李彥平一道去太空旅行。位宇航員李彥平一道

18、去太空旅行。 Language points have a chance to do 有機(jī)會(huì)做某事有機(jī)會(huì)做某事 I hope I can have a chance to travel to make friends with you give sb a chance 給某人機(jī)會(huì)給某人機(jī)會(huì) Could you give me one more chance? by chance =by accident I discovered it by chance. 2. When we get closer to the moon, we shall feel its gravity pulling

19、us, but it will not be as strong a pull as the earths. get close to 靠近，接近，指動(dòng)態(tài)變化靠近，接近，指動(dòng)態(tài)變化 be close to 距距.近，指狀態(tài)近，指狀態(tài) The school is close to the post office.家長應(yīng)該阻止孩子接近火。家長應(yīng)該阻止孩子接近火。_Parents should prevent children from getting close to fire. as+ adj.+(n.)+ as This film is _that one.這部電影和那部電影一樣有趣。這部電影

20、和那部電影一樣有趣。We should plant trees _.我們應(yīng)該盡可能多種樹。我們應(yīng)該盡可能多種樹。This dictionary is _you think.這本字典不如你想象的那樣有用。這本字典不如你想象的那樣有用。 John is _as mike. 約翰和邁克是一樣聰明的學(xué)生。約翰和邁克是一樣聰明的學(xué)生。as interesting asas many as possiblenot as useful asas clever a student 當(dāng)看到當(dāng)看到Beckham，球迷們，球迷們(the fans)歡呼起來歡呼起來。 _ _ _ _ when they saw Be

21、ckham. 他帶她去聽音樂會(huì)他帶她去聽音樂會(huì)(concert)來來使她高興使她高興。 He took her to the concert to _ _ _.Thefanscheeredupcheer her up Cheers! Our football team will compete against the Japanese team this evening. Lets go and cheer them up！ 為某人加油為某人加油 3. I cheered up immediately and floated weightlessly around in our spacesh

22、ip cabin watching the earth become smaller and the moon larger. 干杯干杯! 4. But when I tried to step forward, I found I was carried twice as far as on the earth and fell over. 倍數(shù)表達(dá)法：倍數(shù)表達(dá)法：考例：考例：Our new library is _ the old one. A. four times as large as B. four times the size C. four times larger D. fo

23、ur times larger as that這條河是那條河的五倍寬。這條河是那條河的五倍寬。1._2._3._這塊石頭的重量是那塊石頭的三倍。這塊石頭的重量是那塊石頭的三倍。1._2._3._ 這顆樹是那顆樹的四倍高。這顆樹是那顆樹的四倍高。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 the width of that one. This stone is three times as he

24、avy 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 one.1) . A + be + 倍數(shù)倍數(shù)n+ as +形容詞原級(jí)形容詞原級(jí) + as +B4. But when I

25、 tried to step forward, I found I was carried twice as far as on the earth and fell over. 3). A + be + 倍數(shù)倍數(shù)n +形容詞比較級(jí)形容詞比較級(jí) + than + B A比比B大大(長、高、寬等長、高、寬等)n倍倍2). A + be + 倍數(shù)倍數(shù)n + the +名詞名詞 (size, length, width, height, depth, weight, amount) + of + B A是是B的的n倍倍倍數(shù)表達(dá)法：倍數(shù)表達(dá)法：這根繩子這根繩子(rope)是那根繩子的六倍長。是那根繩子

26、的六倍長。A=nBA=(n+1)B7.We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased.amazed 是過去分詞，此處做狀語用是過去分詞，此處做狀語用 他進(jìn)來的時(shí)候沒有人注意到他進(jìn)來的時(shí)候沒有人注意到.He came in _ .break out (戰(zhàn)爭戰(zhàn)爭,爭吵爭吵,疾病等疾病等)爆發(fā)爆發(fā)unnoticed它與它與happen, take place, come out等詞的用法一樣，等詞的用法一樣，是不及物動(dòng)詞，不能帶賓語，不能用于被動(dòng)語態(tài)。是不及物動(dòng)詞，不能帶賓語，不能用于被動(dòng)語態(tài)。 My car _ (拋錨拋錨) so I had to walk there. The famous band _ (解散解散) in the end. Thieves _ (闖入闖入) his house last night. The war _ (爆發(fā)爆發(fā)) ten years ago.The enemys defenses were strong but our soldiers _(突破；突圍突破；突圍).broke downbroke upbroke intobroke o