2020河北省八年級英語上冊 Unit 6 I’m going to study computer science導(dǎo)學(xué)案人教新目標(biāo)版

上傳人:仙*** 文檔編號:43281474 上傳時間:2021-11-30 格式:DOC 頁數(shù):11 大?。?81.50KB
收藏 版權(quán)申訴 舉報 下載
2020河北省八年級英語上冊 Unit 6 I’m going to study computer science導(dǎo)學(xué)案人教新目標(biāo)版_第1頁
第1頁 / 共11頁
2020河北省八年級英語上冊 Unit 6 I’m going to study computer science導(dǎo)學(xué)案人教新目標(biāo)版_第2頁
第2頁 / 共11頁
2020河北省八年級英語上冊 Unit 6 I’m going to study computer science導(dǎo)學(xué)案人教新目標(biāo)版_第3頁
第3頁 / 共11頁

下載文檔到電腦,查找使用更方便

10 積分

下載資源

還剩頁未讀,繼續(xù)閱讀

資源描述:

《2020河北省八年級英語上冊 Unit 6 I’m going to study computer science導(dǎo)學(xué)案人教新目標(biāo)版》由會員分享,可在線閱讀,更多相關(guān)《2020河北省八年級英語上冊 Unit 6 I’m going to study computer science導(dǎo)學(xué)案人教新目標(biāo)版(11頁珍藏版)》請在裝配圖網(wǎng)上搜索。

1、2020學(xué)年人教版英語精品資料 Unit6 I’m going to study computer science Section A集中識詞 【學(xué)習(xí)目標(biāo)】:1,掌握重點單詞的用法 2,掌握重點句型:--What do you want to do when you grow up? --I want to be … 【學(xué)習(xí)重點】:be going to 結(jié)構(gòu)表示將來的打算 【課前預(yù)習(xí)】:看單詞表,完成P41-P43詞匯: (每個兩遍) 1.醫(yī)生 2. 工程

2、師 3. 小提琴手 4.飛行員 5.鋼琴家 6. 科學(xué)家 7.計算機管理員 8.廚師 9.駕駛員 10. 學(xué)院,大學(xué),高等??? 11教育 12.藥,醫(yī)學(xué) 13.大學(xué)(綜合性),高等學(xué)府

3、 14.倫敦 15. 郵寄,發(fā)送 16. 文章,論文 17. 長大 成長 18. 確信;對…有把握 19. 確保,查明 【知識點探究】 1.grow v.生長;種植。 其過去式為 Eg.(1) Mrs Brown _____ (種植了) lots of vegetables in her garden.

4、 2. grow up 意思為 ____________, (2)She (生長在)Baoding. 2. send v. 派;送。過去式_______ :send…to…意為“把……送到;把……派到”;作“寄出”講時其反義詞是個get/receive“收到”。 Eg, a我要寫些文章寄到報紙雜志上去發(fā)表。 I am going to write articles and __ ___ them ___ ___ magazines and newspapers. b.He sent his three sons to

5、 the same school. 中文: c.誰送你來這的? Who _____ you here ? 3. cook n. ,v. ; cooker 固定搭配 “做飯”do some 1) My brother is . “我哥哥是個廚師” 2)My mother often for me. “我媽經(jīng)常給我做飯” 3)I like these beautiful “我喜歡這些廚具” 4)一位

6、廚師正在用廚具煮米飯。A is some rice with now. 4.medicine 藥,醫(yī)學(xué) ,為不可數(shù)名詞,–adj. 醫(yī)學(xué)的; “吃藥”---通常用take,不用eat, take some medicine “吃藥” 1)我將在大學(xué)學(xué)習(xí)醫(yī)學(xué),. I am going to study at a . 2)請在飯前吃藥。Please before meals. 5.universit

7、y 一所綜合性大學(xué) ; college “學(xué)院;大學(xué)” 通常指“??茖W(xué)?!? university,通常指由多個學(xué)院組成的綜合性大學(xué)。 我有兩個哥哥。一個在北京大學(xué)學(xué)習(xí),另一個在一所外國語學(xué)院學(xué)習(xí)。 I have two brother .One studies in Peking ,the other studies in a of foreign languages.【自學(xué)效果檢測】I.根據(jù)首字母或漢語提示過錯成句子 1. When I got home, my mother was c_________ in

8、the kitchen. 2. Toms mother is a d__________ .She works in a hospital. 3.Mikes father is an___________(工程師). 4. He likes playing the violin, and he is a v_____________ 5. Take the m______________ three times a day. 6. If you study hard, you can go to an u____________. 7.Can you write some_______

9、___(文章) for the magazine? II.單項選擇。 ( )1.I’m going to take _______ lessons every day. A.act B. sction C.acting D.actor ( )2.He is going to ________ a teacher. A.as B.do C. act D.be ( )3.Are you _________ actor? A. a B. an C.the D./ ( )4.—_____are you going to

10、do?—Im going to fly a kite. A.Where B.What C.How D.Why ( )5.He often practices basketball. A. play B. playing C. plays D. to play ( )6.Are you going to be pilot or engineer when you grow up? A.a/ a B. a / an C. an/ a D.an

11、 / an ( )7.An must take lessons. A.actor/ actor B. actor/ acting C.acting/ actor D. acting/ act ( )8.Lucy,what is your brother going to be ____ he grows up? A.what B.where C.how D.when ( )9.一__________a volunteer is great. –––I think so. So

12、me of us want __________ volunteers for the London Olympics. A. Being, being B. To be, being C. Being, to be D. To be, to be ( )10. ( 2012?邵陽中考)I spent a lot of time ________________English last weekend. A. to practice speaking B. practicing to speak C. practicin

13、g speaking ( )11.As a______, I should try my best to practice______________. A. cooker, cook B. cook, cook C. cooking, cooking D. cook, cooking ( ) 12. My mother told me to _____________ the medicine three times a day. A. take B. eat C. have D. drink ( ) 13. I was happy.

14、He sent a book ________ for my birthday. A. in B. at C. for D. to ( ) 14. After high school, my daughter is going to __________ next year. A. home B. college C. school D. house ( ) 15. There are some boys on the playground(操場).They _______________ football. They _____________ a footb

15、all match(比賽) next Saturday. A. play, have B. are playing, are going to play C. play, are having D are playing, have III. 根據(jù)漢語提示完成句子。 1.Fei Junlong and Nie Haisheng are great (飛行員). 2.His cousin is going to be a computer (program). 3.Tom wants to

16、do some (cook) for his father. 4.He is a (drive). 5.His dream is to be a famous (violin) one day. 6. I want______ (be) a teacher in the future. 7. Helen is good at______________ (sing) English songs. IV.選詞填空。 1.I

17、 left(忘記) my raincoat .But I can’t remember. 2.As a ,he must take flying lessons much. 3.His brother is an . He knows a lot. 4.The trees near the river very quickly this year. 5.An actor should take lessons often. Unit6 I’m going to study compute

18、r science第2課時 單元語法—一般將來時 【學(xué)習(xí)目標(biāo)】:1,掌握be going to +動詞原形用法 2.初步了解一般將來時will+動詞原形用法 【學(xué)習(xí)重點】:be going to 結(jié)構(gòu)表示將來的打算 ※※※【課前鞏固】背寫下列職業(yè)名稱單詞 1.醫(yī)生 2. 工程師 3. 小提琴手 4.飛行員 5.鋼琴家 6.科學(xué)家 7.計算機編程員 8.廚師 9.駕駛員 10.老師 1

19、1.學(xué)生 12.作家 13.警察 14.清潔工 15.農(nóng)民 16.工人 17.記者,報道者 18.演員 19.賽車手 20.歌手 ※※※【語法探究】I.一般將來時:(參看P116) 1概念:表示__________某一時刻的動作或狀態(tài),或?qū)砟骋欢螘r間內(nèi)_________的動作或狀態(tài)。一般將來時由助動詞_________(第一人稱),__________(第二、三人稱),或be going to+______

20、__構(gòu)成。美國英語則不管什么人稱,一律用will。 2.一般將來時的形式will常簡略為ll,并與主語連寫在一起,如:Ill,hell,itll,well,youll,theyll。他們的完全形式為_______________________________________________________________ 3. 一般將來時的時間狀語,如:__________(明天),__________(下周),__________(將來)等。 4. be going to句型表示 _____________

21、__________ 。 be是_____ 動詞,隨著主語的人稱和數(shù)的變化而變,包括 _______ 。 如:I ________________ swim tomorrow.譯:_________________________________________ They ______________________ have any lessons next week.譯________________________________ Tom __________________send the book to his friend. 譯___________

22、___________________________ 5.句型轉(zhuǎn)換: 按要求改寫下列句子 ①This boy is going to play basketball tomorrow. ( 一般問句,并做肯定否定回答) __________________________________________ ? Yes,___________./ No, __________________. ②My parents are going to watch talk shows this evening. (變成否定句) ______________________________

23、_________________________________ ③Your sister is going to be an engineer. (劃線提問)_________________________________________ 規(guī)律總結(jié):否定句在_____________________,一般疑問句_____________________________ 6. There be 句型的將來時為:There is/are going to be 或There will be ①There going to an important mee

24、ting next Friday.下周五將有一個重要的會議。 ②There _______ going to ______ an action movie this evening. 今晚將有一部動作電影。 7.有些動詞go,come,start,move,leave,arrive,stay等這些表示位置轉(zhuǎn)移,可用現(xiàn)在進行時態(tài)表示按計劃即將發(fā)生的動作。 例如: 1)They_____ ________ forBeijing. 他們要去北京。2)I . 我就來。 8.探究be going to與will (1)be going to與will都可以

25、用來表示意圖,有時兩者可以互相替換。如: I am going to(或will)play football this afternoon.今天下午我將踢足球。 (2)如果事先經(jīng)過考慮做某事,就得用______________表示,不用will。如: Tom likes computer games. He is going to buy a new one this year. (3)be going to和will也可用于表示預(yù)測,_____________表示根據(jù)目前跡象,事情非常有可能發(fā)生;____________則表示說話者認(rèn)為或相信會發(fā)生某事。如: Look at

26、those clouds!Its going to rain.瞧那些云吧,快下雨了。I think it will rain.我認(rèn)為會下雨。 ※※※【自學(xué)效果檢測】I. 單項選擇. ( )1. There ______ a talk show on CCTV-4 at nine this morning. A. will have B. is going to be C. is going to have D. is having ( ) 2. Mary and Lily _going to visit the Palace Museum

27、tomorrow. A. is B. am C. are D. be ( ) 3. Fred tells me that _______ a concert (音樂會)tomorrow night . A. is there B. there is going to be C. there is going to have D. will there be ( )4.—______are you going to do?—Im going to fly a kite.A.Where B.What C.How D.Why ( )5.Miss

28、Mendoza_______ for New York tomorrow. A.will leave B.is going to C.is leaving ( )6.Lin Tao with Ling Hai _ ___a swim tomorrow. A.are going to has B.is going to have C.a(chǎn)re having D.a(chǎn)re going to have ( )7.He’s going to an engineer when he up. A.do/ grow B. do / grows C. be/ g

29、rows ( )8..--- is James going to move?---He is going to move to Taiwan. A.When B. What C. How D. Where ( )9.---Is it Saturday tomorrow? ---Yes, I ___ some washing at home. A. do B. does C. am doing D. did ( )10.What are you going _____ when you gr

30、ow up? A. be B. to be C. do ( )11.He’s going . A.take dancing lessons B.taking dance lessons C.to take dancing lessons D. take dance lessons ( )12. Miss Li your English teacher next term? A.Are ; going to B. Is; going to be C.Is; going to

31、 D.Are ; / ( )13.She is going to ________ a new town next. A.live B.move to C.staying D.study ( ) 14.It_________rain in two hours. A. is going B. shall C. will D.is ( )15.I_______give you a right answer tomorrow.A.a(chǎn)m going to B.will C.would II. 用 動詞的適當(dāng)形式填空 1.I ______

32、__________________________ (have) a meeting in the afternoon. 2.He _______________________________ (go hiking) on his field trip next Sunday. 3.They _________________________________ (watch) a football match tomorrow afternoon. 4.Lin Tao ____________________________________________ (study) Japane

33、se next March. 5.__________ you _________________________ (have) a dinner together this evening ? 6.__________ Han Mei __________ (do) her homework with the twins? 7.________ Wang Feng with her mother _________ (sing) an English song in the coming party ? 8.Where __________ they __________ (buy

34、) some fruit last month ? 9.When __________ the children __________ (do) at the school gate at the moment? 10.What __________ you ____________________________ (do) next Friday? 11.I like ________ (cook ) for my family. Last Sunday I _________( cook) fish. This evening I ____________ (cook) chick

35、en for them. 12. My mother often ____________(grow) vegetables in the garden. Now she ___________( grow). 13. Every month the girl _________(send) her parents a letter. She __________ ( send) one this Friday. 14. The boy ____________(take) the medicine three times a day. He ____________ (take) in

36、 an hour. 15. I have a brother .He ___________( study) in Huiyuan. Next month he _________ (study) in Peking University. III.句型轉(zhuǎn)換 1.Lucy is going to be an engineer .(提問) is Lucy going to be? 2.Cheng Han is going to move to New York .(提問) Cheng Han goin

37、g to move? 3.Cheng Jian is going to be an actor. (變否定) Cheng Jian going to be an actor. 4.Tom is going to play computer games. (提問) going to ? 5.Mike will go shopping with his mother.(同義句) Mike with his mother. Unit6 I’m

38、 going to study computer science第3課時 【學(xué)習(xí)目標(biāo)】1掌握6單元Section A重點單詞的用法以及相關(guān)拓展。2運用一般將來時進行情景交際。 【學(xué)習(xí)重點】:運用一般將來討論并確定自己的人生夢想。 【課前預(yù)習(xí)】:請認(rèn)真閱讀P41-P43,翻譯下列短語。 1.計算機編程員 _________ 2.參加表演課 _______ ______ 3.學(xué)習(xí)計算機科學(xué) ___________ 4.練習(xí)籃球 _____________

39、_____ 5.真的刻苦學(xué)習(xí)數(shù)學(xué) ______ 6.擅長寫故事 _______ 7.一直(繼續(xù))寫故事 ___ 8.盡你最大努力 __ 9.去烹飪學(xué)校 _______ _______ 10.把它們寄給雜志和報紙 ※※※【對話探究】 認(rèn)真閱讀2d對話,完成下列各題。 1. Ken isn’t good

40、at writing stories. 判斷正誤。( ) 2 What does Ken want to be? 3. How is Ken going to become a writer? 4.Andy’s parents want her to be a doctor.對本句的任意部分提問,變成特殊疑問句。

41、 5. Not everyone knows what they want to be.(翻譯) ※※※【對話訓(xùn)練】 仿照P43 --語法聚焦,根據(jù)自己的實際,編寫對話。 A:--What do you want to be when you grow up? B: --I want to be . A:--How

42、 ? B:---___________________________________. A:--Where ? B:---___________________________________. A:--When ? B:---___________________________________. 【知識點探究】: I.What do you want to be when you grow up?

43、翻譯: 1.grow v.生長;種植。 其過去式為 Eg.(1) Mrs Brown _____ (種植了) lots of vegetables in her garden. 2. grow up 意思為 ____________, (2)She (生長在)Baoding. 3. want to be…意為:______________. (3) Jim wants ________ ________(想要成

44、為) an actor when he __________ __________.(長大) 4. 想要某人做(不做)某事:___________________________ (4) My mother ________me _______ ______ _______(想讓我不打)basketball before I finish my homework. II.I’m going to keep on writing stories . 翻譯: 1.keep on doing sth “繼續(xù)做

45、某事” 表示經(jīng)過一段時間的間隙后“繼續(xù)做同一件事”。 Eg: (1)They ________ _______ _______________(持續(xù)跑步) every day. 2. keep doing sth表示“繼續(xù)(不間斷)地做某事”指無停頓或停頓較短。 (2) He kept ______ (一直坐)there for __________(半個小時)without moving.。 3. keep sb doing sth “使某人持續(xù)做某事” (3) Our Chinese teacher kept (我們)

46、 (讀書)books by ourselves the whole class. 4. keep sth/sb +adj. “使某人或某物處于某種狀態(tài)” (4) Eating fruit and vegetables is good to _______ ________ ________.(使我們保持健康) III. I’m not sure about it . 翻譯: 1.. be sure about / of 意思是 ,表示對客觀事物有肯定的認(rèn)識或判斷,主語必須

47、是人。 Eg(1) I’m (有把握)the English test. (2) My little brother sure (沒有把握)himself. 2 be sure to do sth “一定/肯定做某事”主語不一定是人。 (3) He do the work well.(一定) (4)His work to succeed.(必定) 【自學(xué)效果檢測】 Ⅰ. 單項填空 ( )1. If I want t

48、o be a singer, I must take _____lessons first. A. sing B. to sing C. singing D. sings ( )2.He is going to ________ a teacher when he finishes college. A. as B. do C. act D. be ( )3.Are you _________ actor or _____engineer? A. a; an B. an; a C. a; a D. an; an

49、 ( )4.—_____are you going to start?—After college. A.Where B.What C.How D.When ( )5.He often practices basketball. A. play B. playing C. plays D. to play ( )6. Mary is sure _______ win the competition. A. for B. at C. of D. to ( )

50、7. All the workers keep _______although they are tired. A. work B. working C.works D. to work ( )8. The little boy wants his father ______ some strawberries in his garden. A. growing B. grows C. grew D. to grow ( )9. ---_______are you going to do that? ---Study math hard.

51、A. How B. What C. When D. Who ( )10. I know that’s why you are good _______telling stories. A. with B. for C. at D. to II. 根據(jù)漢語意思或詞的正確形式完成句子。 1. I m going to be a singer when I ________ ________(長大). 2. _______ you _________ __________ the test?(對…有把握) 3. Ill 

52、__________ a letter _____________you.(給…寄…) 4. My cousin is going to be _______ _________when he grows up. (一個工程師) 5.The student kept on ________ (talk) until the teacher came into the classroom. 6. I am not sure________ (do) well in the work. 7. Uncle Wang is a race car_________(dr

53、ive). He loves his job very much. 8. Do you want __________(be) a computer programmer? 9. If you want to be an actor, you have to take __________(act) lessons. 10. Cheng Han is going ___________(move) to Shanghai when he finishes his studies. III. 完形填空 The Browns are the Smiths’ neighbors. M

54、r Brown’s name is John. But when his neighbors talk about him, they 1 him ”Mr Going-to-do”. Do you know why? Mr Brown always says he 2 do something, but he 3 does it. Every Saturday Mr Brown 4 to the Smiths’ back door and talks to Mr Smith . He always says he 5 do something,

55、 “I’m going to clean my house today” he says, 6 “I’m going to wash my car tomorrow, ” or “These trees in front of my house are too big, so I’m going to 7 them down next week. ” Mr Smith usually says,“ 8 , John?” He knows his neighbor is not going to clean his house , or wash his car, o

56、r cut down any trees. Then he says, “Well, excuse me, John. I’m going to do some work in the house. ” And he 9 . Mr and Mrs Smith often talks to their only child Dick, “Are you going to do something ? Then do it. Don’t be 10 Mr Going -to -do ”. ( )1.A.speak B. tell

57、 C. say D. call ( )2.A.be going to B. is going to C. am going to D. are going to ( )3.A.usually B. never C. often D. sometimes ( )4.A.is going B. get C. goes D.

58、 comes on ( )5.A.wants B. likes C. is going to D. would like ( )6.A.or B. and C. but D. so ( )7.A.pull B. push C. cut D. sit ( )8.A.Yes B. Sure

59、 C. Do you D. Are you ( )9.A.comes B. does C. runs D. walks ( )10.A./ B. that C. another D. as Unit6 I’m going to study computer science第4課時 Section B集中識詞 【學(xué)習(xí)目標(biāo)】:1,掌握重點單詞的用法

60、 2,掌握重點句型:--What are you going to do next year? --I’m going to … 【學(xué)習(xí)重點】:be going to 結(jié)構(gòu)表示將來的打算 【課前預(yù)習(xí)】:看單詞表,完成P44-P47詞匯: (每個兩遍) 1. 決心,決定 2. 身體的 3. 個人的,私人的 4. 開頭,開端 5. 承諾,諾言 6. 能夠

61、 7. 外國的 8. 討論,商量 9. 改進,改善 10. 自我改進,自我提高 11業(yè)余愛好 12. 自己的,本人的,擁有 13. 關(guān)系 14.意義,意思 15. 懷疑,提問 16. 對,組 17. 他(她,它)們自己

62、 18. 每周的(地) 19.學(xué)校作業(yè),功課 20.同意 21.能夠做某事 22.在….開始 23.寫下,記錄下 24.與… 有關(guān)系 25.學(xué)著做 26.同意,贊成 【知識點探究】

63、 1.begin v. 其現(xiàn)在分詞 過去式 反義詞end. 其動名詞 。 固定搭配:at the beginning “起初,開始” ,其反義詞組 at the end ; from beginning to end “ ” 1)起初,你會覺得學(xué)習(xí)英語很難。You’ll find it difficult to learn English . 2)善始才能善終。 A good makes a good

64、 . 固定搭配:at the beginning of 表示“在… 之初”其后通常接表示時間,時間等名詞,反義詞組 3)四月初天氣變暖了。It’s warm April. 4)在年初,我們下定決心。We make resolutions the year. 5)在馬路盡頭,我們發(fā)現(xiàn)了郵局。 We find the post office the road.

65、 2.meaning n. 其動詞形式 ,形容詞 meaningless 1)這個單詞的意思什么?Whtat’s the of the word? 2)你做了一件非常有意義的事。You did a very thing. 3)我認(rèn)為那部電影毫無意義。I think the movie is . 拓展:常用結(jié)構(gòu),mean (doing) sth “ 意味著(做)某事” , mean to do sth. “ 打算做某事”

66、 3.own adj./pron. ,還可以做動詞“擁有”----“擁有者,主人” 拓展:one’s own … 表示“某人自己的…”own 放在物主代詞或名詞所有格后。 1)我有一個夢想,將來擁有自己的大房子。 I have a dream. that I can a big house one day. = I have a dream. that I can have big house. 2)誰是這房子的主人?Who is the of the house? 4.able,adj. ,be able to do sth 相當(dāng)于can,但can表示“能力”,只有一般現(xiàn)在時和一般過去時,而be able to do 根據(jù)be 的變化,用于各種時態(tài)。 1)I speak English now. = I spea

展開閱讀全文
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(yù)覽,若沒有圖紙預(yù)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. 裝配圖網(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(fù)責(zé)。
6. 下載文件中如有侵權(quán)或不適當(dāng)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(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)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。

相關(guān)資源

更多
正為您匹配相似的精品文檔
關(guān)于我們 - 網(wǎng)站聲明 - 網(wǎng)站地圖 - 資源地圖 - 友情鏈接 - 網(wǎng)站客服 - 聯(lián)系我們

copyright@ 2023-2025  zhuangpeitu.com 裝配圖網(wǎng)版權(quán)所有   聯(lián)系電話:18123376007

備案號:ICP2024067431-1 川公網(wǎng)安備51140202000466號


本站為文檔C2C交易模式,即用戶上傳的文檔直接被用戶下載,本站只是中間服務(wù)平臺,本站所有文檔下載所得的收益歸上傳人(含作者)所有。裝配圖網(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,對上載內(nèi)容本身不做任何修改或編輯。若文檔所含內(nèi)容侵犯了您的版權(quán)或隱私,請立即通知裝配圖網(wǎng),我們立即給予刪除!

五月丁香婷婷狠狠色,亚洲日韩欧美精品久久久不卡,欧美日韩国产黄片三级,手机在线观看成人国产亚洲