




版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領(lǐng)
文檔簡介
1、Unit 4 Dont eat in class.單元總覽類別課程標準要求掌握的項目單元話題Talk about rules:In this unit, students learn to talk about school and family rules with others.重點單詞1. rule (n.)2. arrive (v.) 3. hallway (n.) 4. hall (n.) 5. listen (v.) 6. fight (v.&n.)7. sorry (adj.)8. outside (adj. &adv.)9. wear (v.)10. impor
2、tant (adj.) 11. bring (v.)12. player (n.)13. uniform (n.)14. quiet (adj.)15. out (adv.)16. dish (n.) 17. night (n.)18. before (prep. & conj.&adv.) 19. dirty (adj.)20. kitchen (n.) 21. more (det.&pron.)22. noisy (adj.) 23. relax (v.) 24. read (v.) 25. terrible (adj.)26. feel (v.) 27. stri
3、ct (adj.)28. remember (v.)29. follow (v.) 30. luck (n.) 31. keep (v.) 32. hair (n.) 33. learn (v.)重點詞組1. dinning hall 2. listen to 3. go out4. do the dishes5. be strict (with sb)6. follow the rules 7. arrive late for class8. on time9. make your bed重點句式1. Dont eat in the classroom.2. We cant arrive l
4、ate for class.3. We must be on time.4. Can we wear a hat in class?Yes, we can. / No, we cant.5. We have to clean the classroom.6. We have to follow the rules.單元語法1. 祈使句肯定形式與否定形式的使用;2. 學習情態(tài)動詞can, have to的用法。課時分解第一課時 Section A(1a 2d)知識目標類別課時要點重點單詞rule (n.) 規(guī)則;規(guī)章arrive (v.) 到達 hallway (n.) 走廊;過道 hall (
5、n.) 大廳;禮堂 listen (v.) 聽;傾聽 fight (v.&n.) 打架;戰(zhàn)斗sorry (adj.) 抱歉的;難過的;惋惜的 outside (adv.) 在外面 (adj.) 外面的wear (v.) 穿;戴important (adj.) 重要的 bring (v.) 帶來;取來player (n.) 播放機;運動員uniform (n.) 校服;制服quiet (adj.) 安靜的重點詞組dinning hall餐廳 listen to聽 arrive late for 遲到重點句式1. Dont arrive late for class. You must b
6、e on time.上課不準遲到,你必須準時到校。2. We cant listen to music in the hallways, but we can listen to it outside.我們不能在走廊上聽音樂,但我們能夠在外面聽音樂。課堂環(huán)節(jié)§自主學習方案學生自學新單詞(教材P19-20的單詞),看誰記得又快又準。(2 分鐘)1. rule 規(guī)則;規(guī)章2. arrive 到達3. hallway走廊;過道4. hall 大廳;禮堂5. listen 聽;傾聽6. fight打架;戰(zhàn)斗7. sorry 抱歉的;難過的;惋惜的8. outside在外面;外面的9. wea
7、r 穿;戴10. important 重要的11. bring 帶來;取來12. player播放機;運動員13. uniform校服;制服14. quiet安靜的15. dinning hall 餐廳16. listen to聽17. arrive late for 遲到【新詞自查】根據(jù)句意及首字母提示填詞。1. He is listening to the news on radio.2. The school uniforms are very nice. Students like to wear them.3. What clothes should I bring?4. Pleas
8、e wear a hat when you ride a motorbike.5. Its boring. Lets go for a walk outside.6. There are too many rules in our school.7. We cant eat in the classroom. We should eat in the dining hall.8. Tom often fights with his twin brother Tim.9. The visitor will arrive at our city next Monday.10. It is very
9、 important for us to learn English well.§課堂導學方案Step 1 情景導入Teacher: Boys and girls! Please think about “What you usually do in school / in class / after school / after class / at home / on weekends”.Students: I usually have lessons in school.I usually play games after school.I usually listen to
10、music at home.I usually play soccer on weekends.Teacher: Yes, you are right. But I think these activities must be done at the proper time and proper places. You can never change them. For example: Can you listen to music in the classrooms at school? The answer is “No”. There are some rules in every
11、school. We also have rules in our school. Now please open your books at Page 19. Lets see what we can do and what we cant do in school. 環(huán)節(jié)說明:通過談?wù)搶W生(在周未、學校、家里、放學后、下課后等)經(jīng)常做的一些活動,復習學過的知識,激發(fā)學生說英語的熱情,從而導入本單元的話題。同時教育學生遵守學校、家庭、公共場所的規(guī)則,做一個文明的中學生。Step 2 完成教材1a-1c的任務(wù)【操作案例】1. 認真觀察la圖片,完成1a的任務(wù)。(1 分鐘)Teacher: Wh
12、at are the students doing in the picture? Is that good to do that? What do you want to say to them? Oh, there are five rules on the left. Lets see what they are.Teacher: Since we have got to know about these rules, please think about how to match the rules with the pictures. Then lets check the answ
13、ers.2. 認真聽錄音,完成1 b的任務(wù)。(1 分鐘)Teacher: For this part, please listen carefully, and pay attention to what rules these students are breaking. Ill play the recording the first time. You can listen and write the numbers after the names.3. 分角色朗讀1b中的小對話,結(jié)對練習lb中的三個小對話,最熟練的一組要到講臺上展示。(2 分鐘)4根據(jù)1a中的校規(guī),仿照1b中的小對話,
14、編寫并表演對話,完成1c的任務(wù)。(3 分鐘) Teacher: Imagine student A is a new student. Student B tells student A about the rulers above. When we talk about the rules we use “can” “cant” to make up sentences.5. 小結(jié)訓練.(2分鐘)連詞成句 (請注意大小寫和標點符號)。(1)late, don't, for school, arrive Don't arrive late for school.(2)music
15、, listen to, in the classroom, don't Don't listen to music in the classroom.(3)eat, can't, in the classroom, we We can't eat in the classroom.(4)sneakers, you, wear, for, gym class, have to You have to wear sneakers for gym class.(5)too, I, many, rules, have, in, my house I have too
16、many rules in my house.環(huán)節(jié)說明:通過學習1a,讓學生熟悉并掌握本節(jié)課的單詞和短語;通過1b,鍛煉學生的聽力能力;通過1c的訓練鍛煉學生的口頭表達能力,同時鞏固所學的語言知識。Step 3 完成教材2a-2d的任務(wù)【操作案例】1. 讓學生閱讀2a中的活動,認真聽錄音,完成2a的任務(wù)。(2分鐘)Teacher: Alan and Cindy are talking about the school rules. Lets read the rules in 2a aloud and check the activities Alan and Cindy talk about
17、. 2. 再聽一遍錄音,完成2b的任務(wù)。(2分鐘)Teacher: Ill play the recording the second time. Listen carefully and pay attention to these activities Alan and Cindy can do or cant do. Circle “can” or “cant” in 2a. 3. 根據(jù)聽力材料的內(nèi)容,編寫并表演對話,并要求多個小組上臺展示,完成1c的任務(wù)。(3分鐘) Teacher: Now lets work in pairs. Student A is Alan, and Stud
18、ent B is Cindy. Ask and answer about the school rules. Then Ill check some pairs before the class.4. 分角色朗讀2d中的對話內(nèi)容,解釋重點短語和句子并讓多個小組上臺展示。然后讓學生大聲朗讀對話內(nèi)容。(3分鐘)5. 小結(jié)訓練。(2分鐘)補全對話。A. You are lucky. B. Really? C. No, I cant go out on school nights. D. I have to stay at home. E. Its too bad.A: Can you go to t
19、he movies tonight, Emily? B: C A: Oh, I cant, either. I want to go out, but D B: A I have too many rules in my family.A; Family rules? Like what? B: I cant play with my friends after school.A: B B: Yeah, I have to go home by 5:30 and do my homework.A: Oh, I do, too. And I have to practice playing th
20、e piano every day. B: Do you have to wash your clothes?A: Yes, I do. I think E 環(huán)節(jié)說明:通過聽力和口語訓練,鞏固學生對目標語言的學習、識記和運用,培養(yǎng)學生的綜合運用語言的能力,為下一步的課堂教學作好鋪墊。§當堂評價方案(詳見當堂訓練部分)第二課時 Section A (Grammar Focus 3c)知識目標類別課時要點重點單詞library (n.) 圖書館重點詞組in class 在課堂上on time 準時have to 不得不wear a uniform 穿校服be quiet 安靜點重點句式1
21、. Can we wear a hat in class? 我們能戴帽子上課嗎?Yes, we can. / No, we cant. 是的,我們可以。/ 不,我們不可以。2. Does he have to wear a uniform at school? 他必須穿校服去上學嗎?Yes, he does. / No, we doesnt. 是的,他必須。/ 不,他不必。課堂環(huán)節(jié)§自主學習方案學生自學新單詞(教材P21的單詞),看誰記得又快又準。(2 分鐘)1. library圖書館2. in class在課堂上3. on time準時4. have to 不得不;必須5. wea
22、r a uniform穿校服6. be quiet安靜點【新詞自查】用方框中所給詞組的適當形式填空。in class, on time, have to, wear a uniform, be quiet1. You should be quiet, the baby is sleeping.2. She likes wearing a uniform on school days.3. We cant listen to music in class.4. Can I finish my homework tomorrow? I am afraid not. You have to hand
23、 it in today.5.You cant arrive late for class. You must be on time.§課堂導學方案Step 1 情景導入Teacher: At the beginning of this lesson, lets make your own rules. Please take out a piece of paper and write down some school rules. Then make new school rules or class rules. Then lets discuss your school ru
24、les. Which is good, and which we should change? You can express your feelings freely.環(huán)節(jié)說明:通過讓學生自己給學校或家庭制訂規(guī)則,發(fā)揮學生的主觀能動性,調(diào)動他們的學習積極性,體現(xiàn)公平、公正的原則,讓學生當學校或家庭的“主人”,可以促進師生、父母與孩子之間的交流與溝通。同時導入本單元的重點句型和語法基礎(chǔ)知識。Step 2 熟讀Grammar Focus1. 讓學生分男、女兩組朗讀Grammar Focus中的內(nèi)容。(2分鐘)2. 讓同學們背誦Grammar Focus中的內(nèi)容。(3分鐘)3. 小結(jié)訓練(3分鐘)
25、按要求完成下列句子,每空一詞,。(1)You cant eat in the classroom.(改為祈使句)Dont eat in the classroom.(2)Maria has to practice the piano on Sundays.(改為一般疑問句)Does Maria have to practice the piano on Sundays? (3)Students can run and talk loudly in the hallways. (改為否定句)Students cant run or talk loudly in the hallways.(4)T
26、hey have to clean the classroom.(對畫線部分提問) What do they have to do?(5)Run in the hallways. (改為否定句) Dont run in the hallways.(6)I have to get up at six. (改為一般疑問句) Do you have to get up at six?環(huán)節(jié)說明:通過語法基礎(chǔ)知識的訓練,讓學生能夠掌握并靈活運用本單元的語法基礎(chǔ)知識,為本單元聽、說、讀、寫的訓練作好鋪墊。Step 3 完成教材3a-3c的任務(wù)【操作案例】1. 讓學生根據(jù)圖片上的信息,給學校圖書館制訂一些規(guī)
27、則,完成3a的任務(wù)。(3分鐘)Teacher: Look at the pictures in 3a. Can you guess what each picture means? Please write the library rules in the chart.2. 讓學生討論學校圖書館的規(guī)則制度,哪些是合理的?哪些是需要改正的?哪些是不合理的?(2分鐘)Teacher: Now, lets discuss your school library rules. Which is good, which is bad and which we should change?3. 讓學生完成
28、3b的任務(wù)。(4分鐘)Teacher: Well, please use the words to make questions about the rules and write answers according to your school.4. 讓學生發(fā)揮自己的想象,為自己理想中的學校制訂校規(guī),完成3c的任務(wù)。(3分鐘)Teacher: Could you make up five or more cool rules for your dream school? Then share your rules with the class.5. 小結(jié)訓練(8分鐘)選詞填空。(1)Can
29、(Can / Does) we eat in class?(2)Dont (Don't / Has to) wear a hat to school!(3)Does Bill have to (have to / can) go to bed now?(4)Francisco and Andrew cant (cant / doesnt) come.(5)Do (Do / Have to) they wear sneakers?環(huán)節(jié)說明:通過完成教材3a-3c的任務(wù),進一步鞏固語法基礎(chǔ)知識,并運用所學的語言基礎(chǔ)知識,培養(yǎng)學生運用語言的能力。同時,讓學生在實際操練中領(lǐng)會并掌握語法基礎(chǔ)知識
30、,老師在該環(huán)節(jié)中起到引導作用。§當堂評價方案(詳見當堂訓練部分)第三課時 Section B(1a 1d)知識目標類別課時要點重點單詞out (adv.) 外出dish (n.) 碟;盤 night (n.) 晚上before (prep. & conj.)在以前 (adv.) 以前 重點詞組go out外出(娛樂)practice the guitar 練習吉它do the dishes 清洗餐具make breakfast 做早餐課堂環(huán)節(jié)§自主學習方案學生自學新單詞(教材P22的單詞),看誰記得又快又準。(2分鐘)1. out 外出2. dish碟;盤3. ni
31、ght 晚上4. before在以前;以前5. go out外出(娛樂)6. practice the guitar 練習吉它7. do the dishes清洗餐具8. make breakfast做早餐【新詞自查】根據(jù)首字母或漢語提示完成句子。1. Come back before ten oclock. Dont arrive late.2. I often help my mother do the dishes after dinner.3. Lucy cant go out (外出)with her friends on school nights.4. Dave has to p
32、ractice the guitar (練習吉它)every day.5. The little girl usually help her mom make breakfast(做早餐).§課堂導學方案Step 1 情景導入Teacher: Last lesson we learned the school rules. Now work in groups of four. Three students do some activities that cant be done in class. The fourth student acts as a teacher to st
33、op them. Then Ill ask some groups to act out in class.環(huán)節(jié)說明:通過讓三個同學表演違反上課規(guī)則的活動,另一名學生運用本單元所學的語言基礎(chǔ)知識,勸阻他們遵守班規(guī)與校規(guī)。這樣增加了課堂的趣味性,活躍了課堂氣氛,營造了輕松的學習環(huán)境,激發(fā)了學生學習的積極性。同時很自然地導入本課時的話題。Step 2 完成教材1a-1d的任務(wù)【操作案例】1讓學生仔細觀察圖片,完成教材1a的任務(wù)。(2分鐘)Teacher: Look at the pictures in 1a on Page 22. Can you tell what you see in each
34、 picture? Students: The boy is staying out on school night.The boy is doing his homework after school. The boy is playing the guitar.The boy is watching TV after school.Teacher: Then could you please match the pictures with the rules?2. 聽錄音,完成1b的任務(wù)。(1分鐘) Teacher: Now, Ill play the tape. Listen caref
35、ully and put an(×)for things Dave cant do and a () for things he has to do.3. 再聽一遍錄音,完成1c的任務(wù)。(3分鐘)Teacher: Listen again. Then write when Dave has to follow the rules in the chart in 1b. You can choose from the phrases in the box.4. 對聽力材料的重點詞組或句子進行講解,然后讓全班學生分角色朗讀并熟讀聽力材料,還可讓若干組學生進行分角色朗讀表演。(3分鐘)5讓
36、學生討論Dave的家規(guī),完成1d的任務(wù)。(1分鐘)Teacher: Now, lets talk about the rules in Daves house. Then tell me which one is the same as or different from your family rules. 6. 拓展練習,學生分組談?wù)摳髯缘募乙?guī)。(2分鐘)Teacher: You may have such an experience that your parents always say what you can do or what you mustnt do. Please wor
37、k in pairs and talk about the rules in your house.學生分組討論后,可讓幾組學生表演對話,其它學生認真聽,并作好記錄;最后,老師可以就學生對話的內(nèi)容進行現(xiàn)場提問(這樣可以讓全體學生參與,表演對話的學生的口語表達能力得到了很好的鍛煉,其余學生聽力技巧得到了很好的訓練)。7. 小結(jié)訓練(4 分鐘)書面表達。假如你叫李剛,你的筆友Jim想了解一下你家的“家規(guī)(family rules)”。請你寫一封信,給Jim介紹一下。要求:1. 語句通順、層次清晰;60詞左右;2. 信的開頭已經(jīng)給出,不計入總詞數(shù)。Dear Jim,Thank you for you
38、r letter. You want to know my family rules. Well, there are too many rules in my family. I have to get up at 6:00. After school I cant meet my friends because I have to do my homework. I have to wash dishes after dinner and on weekends I have to clean my room. I have to go to bed before ten. I can w
39、atch TV only on Sundays. On Saturdays I have to go to learn art. How busy I am! I dont think I have fun in my family. What about you? Yours, Li Gang環(huán)節(jié)說明:通過聽、說訓練讓學生掌握了本節(jié)課的語言目標,不僅讓學生掌握聽力技巧,并培養(yǎng)學生的口語表達能力。§當堂評價方案(詳見當堂訓練部分)第四課時 Section B(2a 3c)&Self Check 知識目標類別課時要點重點單詞dirty (adj.) 臟的kitchen (n.)
40、 廚房 more (det. & pron.) 更多(的) noisy (adj.) 吵鬧的 relax (v.) 放松;休息 read (v.) 讀;閱讀 terrible (adj.) 非常討厭的;可怕的feel (v.) 感受;覺得 strict (adj.) 嚴格的;嚴厲的remember (v.) 記??;記起follow (v.) 遵循;跟隨 luck (n.) 幸運;運氣 keep (v.) 保持;保留 hair (n.) 頭發(fā);毛發(fā) learn (v.) 學習;學會重點詞組be strict (with sb)(對某人)要求嚴格 follow the rules遵守規(guī)則
41、重點句式1. Get up now and make your bed!現(xiàn)在起床,整理好床鋪!2. I must read a book before I can watch TV.在我可以看電視之前,我必須讀書。3. I am not happy because there are too many rules at home.因為在家里有太多的規(guī)則,所以我不開心。課堂環(huán)節(jié)§自主學習方案學生自學新單詞(教材P23-24的單詞),看誰記得又快又準。(2 分鐘)1. dirty臟的2. kitchen 廚房3. more更多(的)4. noisy吵鬧的5. relax 放松;休息6.
42、read讀;閱讀7. terrible非常討厭的;可怕的8. feel感受;覺得9. strict嚴格的;嚴厲的10. remember 記住;記起11. follow 遵循;跟隨12. luck幸運;運氣13. keep 保持;保留14. hair頭發(fā);毛發(fā)15. learn學習;學會16. be strict (with sb) (對某人)要求嚴格17. follow the rules遵守規(guī)則【新詞自查】根據(jù)句意及首字母提示填詞。1. Your room is very dirty. Please clean it now.2. Mom is cooking dinner in the
43、kitchen.3. In our school, we shouldnt be noisy or eat in class.4. Our English teacher is strict with us, so we can learn it well.5. We should follow the rules in our school.6. I am tired, so I want to stay at home and relax myself this weekend.7. You must remember how to do it. 8. I feel terrible wh
44、en I come back home from school at night.9. Good luck to you!10. Clean the classroom every day and keep it clean.§課堂導學方案Step 1 情景導入Teacher: I know many parents are strict with you. Maybe you have something to say to them. Write down what you want to say to them or what you want them to do for y
45、ou. You can read your diary to your parents when they are free. Try to communicate with them. 環(huán)節(jié)說明:在上節(jié)課的拓展練習中,學生分組討論各自的家規(guī),有些同學對家長的嚴格要求不夠理解。老師可以利用這個機會教育學生如何與自己的家長溝通交流。Step 2 完成教材2a-2c的任務(wù)【操作案例】1. 讓學生相互討論“有煩惱向誰訴說”的話題,完成2a的任務(wù)。(2分鐘)Teacher: All of us often meet something unhappy. When your are unhappy ab
46、out sth., who do you like to talk to? Your parents, your teachers, your classmates or your friends?2. 閱讀2b中的材料,并完成2b的任務(wù)。(5分鐘)Teacher: There are too many rules in Mollys family. What are they? Read the letters, then underline the rules for Molly.3. 讓學生大聲朗讀閱讀材料,并注意信件的書寫格式,然后對閱讀材料中的重點詞組或句子進行講解。(4分鐘)4.
47、讓學生再一次閱讀信件,完成2c的任務(wù)。(3分鐘)Teacher: Now, please read the letters again and complete the sentences with have to / must, can or cant.5. 小結(jié)訓練(7分鐘)Many students in the US always take the school bus to school every day. Parents think taking the school bus is very safe (安全的). But sometimes it is also dangero
48、us (危險的). Some students were injured (受傷) because they didnt keep the school bus rules. What are the school bus rules?Arrive at the bus station early.Wait for the bus at the bus station.Dont play around the bus station.Dont run here and there at the bus station.Dont walk or fight on the bus when it
49、is going.Dont get off the bus if it doesnt stop. These rules are good for students. Remember them, and you can keep yourself safe.根據(jù)短文內(nèi)容,判斷下列句子的正(T)誤(F)。(F)1. The students in the US all take the school bus to school. (T)2. Students cant get to the bus station late. (F)3. Students can run near the bu
50、s station.(T)4. Students have to sit on their seats (座位) when the bus is going.(T)5. It can be dangerous if students dont keep the school bus rules.環(huán)節(jié)說明:通過本單元話題的閱讀訓練,擴大學生的詞匯量,培養(yǎng)學生的閱讀能力,提高學生的閱讀水平與技巧。Step 3 完成教材3a-3b的任務(wù)【操作案例】1閱讀Zhao Pei的信件,完成3a的任務(wù)。(2分鐘)Teacher: Is she happy? Lets read the letter and find out the answer. After that, complete Zhao Peis letter to Dr. Know using have to / must, can or cant. Then make a list about her rules. (show the photo of Zhao Pei in 3a) 2讓學生討論各自的家規(guī)與校規(guī),并談?wù)劯髯缘目捶?,哪些是不公平的?并給出理由,完成3b的任務(wù)。(3分鐘)Teacher: Do you think you are happy at school or at home? What are
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責。
- 6. 下載文件中如有侵權(quán)或不適當內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 工作室設(shè)計與工作環(huán)境優(yōu)化
- 工作中的時間管理與自律
- 工業(yè)設(shè)計與產(chǎn)品創(chuàng)新實踐
- 工業(yè)設(shè)計創(chuàng)新與技術(shù)趨勢
- 工業(yè)風餐廳裝修設(shè)計思路
- 工作場所中的安全衛(wèi)生規(guī)范
- 工廠企業(yè)火災(zāi)防范與應(yīng)急處理
- 工程機械結(jié)構(gòu)強度與穩(wěn)定性研究
- 工程質(zhì)量管理中的監(jiān)理職責與實施策略
- 工程機械的故障診斷與維修
- GB∕T 17466.1-2019 家用和類似用途固定式電氣裝置的電器附件安裝盒和外殼 第1部分:通用要求
- DB6112∕T 0001-2019 西咸新區(qū)中深層無干擾地熱供熱系統(tǒng)應(yīng)用技術(shù)導則
- 青島市 主要片區(qū) 項目 拆遷補償方案 鏈接
- 病例報告表(CRF)模板
- Q∕GDW 11612.2-2018 低壓電力線高速載波通信互聯(lián)互通技術(shù)規(guī)范 第2部分:技術(shù)要求
- 第三章_采場頂板活動規(guī)律
- 數(shù)字PID控制器設(shè)計制作.答案
- DR曝光參考條件
- 濰柴發(fā)動機WD615系列分解圖冊
- 年中轉(zhuǎn)100萬噸水泥中轉(zhuǎn)站項目可行性研究報告模板
- 宣恩水利水產(chǎn)局
評論
0/150
提交評論