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1、2022年高中英語 Unit4 Using language學(xué)案 新人教版必修3 學(xué)習(xí)目標(biāo): 1. To be able to read the passage by skimming and scanning. 2. Master the important words and expressions in this period. 重點(diǎn): Be able to use the important words and expressions in this period flexibly. 課前預(yù)習(xí)案Previewing Case 使用說明及學(xué)法指導(dǎo)：1. 自我學(xué)習(xí)

2、課本30-31頁里的內(nèi)容，完成預(yù)習(xí)案。 2. 完成時(shí)間25-30分鐘。 Task1 Write down the words and expressions according to the following Chinese meaning. I. 單詞鞏固 1. v. 碰撞，墜落__________ 仍是，剩下___________ 允許___________ 減少，減輕__________浮動，漂浮____________ 2. n. 生物學(xué)__________ 衛(wèi)星___________ 物理學(xué)家________

3、____ 拉力，牽引力_________重力_________ 氣候__________ 宇宙飛船__________ 3. adj. 極大的，強(qiáng)有力的___________ 幸運(yùn)的，好運(yùn)的___________溫和的；文雅的_________ II. 短語記憶 1. 擋?。ü饩€）______________ 2.連鎖反應(yīng)_______________ 3. 第一次____________________ 4.依靠，依賴于_______________ 5. 感到高興_______________ 6. 既然___________

4、_________ 7. 熟悉，掌握_______________ 8. 爆發(fā)____________________ Task 2 Read the passage on Page 30-31 and summarize the main idea: Last month I visited the moon with my friend. Before we left, I was told the force of would change times on our journey. Then we took off. As

5、 we left the earth, I became very ,but gradually the weight . When I was in space, it . We weightlessly in the cabin and I . When I was on the moon, I was surprised to find even walking needs lots of practice gravity has changed. Returning

6、to the earth was very . We were amazed to watch fire on the outside of the spaceship. 課堂探究案 Exploring Case Step 1: Reading prehension ⅠFast Reading Match the three ways in which gravity changed (1) Left the earth A. It became very light. (2) In space

7、 B. The gravity became very strong. (3) On the moon C. The gravity disappeared. Match the weight changed (1) Left the earth A. He is weightless. (2) In space B. He weighs less than on the earth. (3) On the moon C. His weight is normal. Ⅱ Ca

8、reful Reading Read the text carefully and choose the best answer: 1. The passage is mainly about ____? A. introduction of the moon B. the gravity that I felt on my way to the moon C. my visit to the moon D. my friend Yanping, an Astronomer 2. According to the text, we know that

9、 the force of the gravity would change _____ times. A. 2 B. 3 C. 4 D. 5 3. When did the author feel strongest of the gravity of the earth? A. On the moon. B. On the half way to the moon. C. At the very beginning D. On their leaving from the

10、 moon 4. What causes the writer to feel that he bees weightless on the moon? A. Spaceship B. Gravity C. His friend D. His Good feelings of the moon 5. From the text we can know if a man grows up on the moon, _. A. he will grow taller than on the earth B. he will

11、grow shorter than on the earth C. he will bee fatter D. he will bee weightless Read the text carefully again and fill in the blanks. Periods Details On leaving the earth’s atmosphere (Para 2) l With the rocket rising into the air, we were into o

12、ur seats because of the strong of the earth’s gravity. l The lessened as we moved far away from the earth. l When getting closer to the moon, we felt pulled by ,but it was not as strong as the earth’s. While landing on the moon (Para 3) l We weigh than

13、on the earth. l While trying to step forward, I found I was carried as far as on the earth. l It took a bit of to walk on the moon. When leaving the moon (Para 4) l Leaving the moon’s gravity was less than leaving the earth’s. l Returning to the earth was very

14、 because fire broke out on the outside of the spaceship as the earth’s gravity . l We were pushed hard into our seats again when we came back to land. Step 2: Language Points 1. When we get closer to the moon, we shall feel its gravity pulling us but it will not be as strong a p

15、ull as the earth’s. 當(dāng)我們更接近月球時(shí), 就會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么大。 The school is close to the post office. get close to 指 變化 be close to 指 as strong a pull as the earth’s 像地球的引力那么強(qiáng)大 歸納：as+adj./adv.+as… as+adj.+a/an+n.+as… 表示：______________

16、_________________ 1)He is as good a director as he is an actor. 2)He (和我游得一樣快)。 3)She is (當(dāng)演員和當(dāng)歌手都一樣出色)。 2. I cheered up immediately and floated weightlessly aroun

17、d in our spaceship cabin watching the earth bee smaller and the moon larger. 我立刻感到高興起來，由于失重我在太空艙里飄來飄去，我望著地球越來越小，而月球越來越大。 cheer up: 1） _________________________（人群歡呼起來） when they saw the team arrive. 2）他帶她去聽音樂會來使她高興。 . 3. But when I tri

18、ed to step forward, I found I was carried twice as far as on the earth and fell over. 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)，步子的跨度竟是在地球上的兩倍，因而我摔倒了。 The number of students in our school 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。 The newly broadened square is four times the size of the previous

19、 one. 新擴(kuò)建的廣場是未擴(kuò)建時(shí)的四倍大。 twice as far as __________________________ three times larger than ________________________ our times the size of ___________________________ 歸納倍數(shù)的表達(dá)法：1） 2） 3）

20、 這個(gè)房間是那個(gè)房間的三倍大。 1） 2） 3） 4. ... “wal

21、king 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了。 now that 表示 ，同since相似，語氣較弱，強(qiáng)調(diào)人們已知的事實(shí)。 1） Now that you’ve grown up, you can decide it yourself. 2） 既然你有機(jī)會，就

22、應(yīng)該好好利用它。 5. After a while I got the hang of it and we began to enjoy ourselves. 過了一會，我才掌握了走路的訣竅，這才開始感到自如了。 got the hang of: 1） I’ve been trying to this new typewriter.

23、 我一直想掌握這部新的打印機(jī)的用法。 2） 現(xiàn)在我已經(jīng)掌握了這個(gè)詞的用法了。 _________________________________________________________________ Step 3 訓(xùn)練案: 根據(jù)括號內(nèi)的提示翻譯下列句子。 1. 老師幽默的講話讓我們很振奮, 之后班里的氣氛也輕松起來。(atmosphere; cheer up) _________________

24、____________________________________________________ 2. 既然我們已經(jīng)完成了設(shè)計(jì), 就該由公司來進(jìn)行建設(shè)了。(now that; in one’s turn) _____________________________________________________________________

25、 3. 讓我們十分失望的是, 戰(zhàn)爭最終在那兩個(gè)國家之間爆發(fā)了。 (to one’s disappointment; break out) _____________________________________________________________________ 4. 長江差不多比珠江長兩倍。（倍數(shù)表達(dá)法） __

26、____________________________________________________________________________ 語法填空： Last month I made a trip into space with my friend Li Yanping. We visited the moon in our spaceship. Before we left, Li Yanping explained __________ me that the force of gravity would change three times on our journ

27、ey and _________ the first change would be the most____________( power). Then we were off. As the rocket rose slowly into the air we began to feel ________ pull of the earth, which is _________ we called gravity. At first it pushed us _________ hard back into our seats that we could not say anything

28、 to each other. _______________(gradual) the weight lessened and I was able to talk to him. _________ we got closer to the moon, we felt its gravity pulling us but it was not as strong a pull as the earth’s. I cheered up immediately and floated_________________(weight) around in our spaceship cabin_

29、______________(watch) the earth bee smaller and the moon larger. B3U4-5 參考答案 課前預(yù)習(xí)案 Task1 I. 單詞鞏固 3） crash；remain；allow；reduce；float 4） biology；satellite;physicist;pull;gravity;climate;spaceship 5） powerful;lucky;gentle II. 短語記憶 block out;chain reaction;for the first time;depend on;cheer u

30、p;now that;get the hang of;break out Task 2 Gravity;three;heavy;lessened;disappeared;floated;cheered up;now that;frightening;break out. 課堂探究案 Step 1 ⅠFast Reading Match the three ways in which gravity changed (1) Left the earth A. It became very light. (2) In space

31、B. The gravity became very strong. (3) On the moon C. The gravity disappeared. Match the weight changed 4） Left the earth A. He is weightless. 5） In space B. He weighs less than on the the earth. 6） On the moon C. His weight is normal. Ⅱ 1-5 CBCBA

32、 Read the text carelly again and fill in the blanks. pushed back;pull;weight;the moon's gravity;less;twice;practice;painful;frightening;increased Step 2 1. 接近…;距離;接近…;狀態(tài);像A一樣……; (4) 他當(dāng)導(dǎo)演像當(dāng)演員一樣出色。 (5) swims as fast as I (6) as good an actress as she is a singer 2.高興，歡呼; 1)The crowd ch

33、eered up 2)He took her to the concert to cheer her up 3.兩倍遠(yuǎn);大三倍;四倍大;倍數(shù)+as+adj./adv.(原級)+as…;倍數(shù)+比較級+than…;倍數(shù)+the size(height/length/width…)+of…;The room is three times as lage as that one.;The room is three times lager than that one.;The room is three times the size of that one. 4.既然;1)既然你已經(jīng)長大了，你

34、可以自己決定了。 2)Now that you have got a chance, you should make full use of it. 5.掌握，精通; 1)get the hang of 2)Now I have got the hang of the usage of this word. Step 3 1.The atmosphere in the classroom relaxed after the teacher's humorous talk cheered us up. 2.Now that we have finished the design,the pany will do the construction in its turn. 3.To our disappointment, the war between the two countries broke out finally.