冀教版小學(xué)六年級(jí)上冊(cè)英語(yǔ)重點(diǎn)歸納全冊(cè)

1、六年級(jí)上冊(cè)一一英語(yǔ)課本教案Lessonl1、at the airport在機(jī)場(chǎng)用介詞at2、this is用于介紹某人或某物This is Li Ming.This is a desk.This 復(fù)數(shù) these 反義詞 that (those)This is a book.改為復(fù)數(shù)句)These are books.3、live in生活在，居住在4、Li Ming is coming to Canada.現(xiàn)在進(jìn)行時(shí)表示將來(lái)時(shí)。5、want to do sth.Want sth.6、go to school去上學(xué)7、arrive at+小地點(diǎn)arrive in+大地點(diǎn) 8、日期的表達(dá)法：月份

2、+序數(shù)詞September first9、基數(shù)詞變序數(shù)詞的變化口訣第一、第二、第三特殊記，八去 T,九去E,F來(lái)把VE替，TY需變TIE ,若是遇到幾十幾，只需把個(gè)位來(lái)變，TH最后加上去。10、What time is it?=what ' s the time?What day is it ?11、at 5:00在幾點(diǎn)鐘用介詞at.12、There he is.口 There is Li Ming是倒裝句。13、Nice to see you.=Nice to meet you.14、have a good tri潞途愉快15、Let' s=let u后面的動(dòng)詞用原形16、單

3、詞Airport飛機(jī)場(chǎng) want想要trip旅行tired累的 suitcase、提箱 let讓Lesson 21、Jenny s house名詞所有格的用法2、come in 進(jìn)來(lái) go out 出去3、I' ll= I will后面加動(dòng)詞原形。4、mine ,yours是名詞性物主代詞，后面不能加名詞。5、What' s in the bedroom?在房間里用介詞in。6、show sb. Sth.=show sth. to sb.7、單詞House房屋 show 出示 room 房間 living room 起居室Kitchen 廚房 bathroom 浴室 bedro

4、om 臣卜室Lesson3 Making Breakfast1、 It' s time for= It' s time to doIt' s time for breakfast.= It' s time to have breakfast.2、What time is it ?=What s the time?3、would like sth./would like to do sth.4、What would you like for breakfast?詞 for.5、on the stove介詞 on6、be doing正在干什么7、cold-hot i

5、nside-outside8、dish 復(fù)數(shù) dishes9、puton 10、 in the sink介詞 in11、 Breakfast is ready.Be ready to do sth.=be ready for sth.Lesson 41、 dirty-clean2、 on your hands介ton 的用法3、can后加動(dòng)詞原形4、 need to do sth.5、 help sb. do sth.6、 tooth-teeth foot-feet7、 on Sunday在星期幾用介詞onSunday Monday Tuesday Wednesday Thursday Fri

6、daySaturdayLesson 5 making supper1、 supper 晚飯 dinner正餐2、What' s for supper?Hfor 的用法。3、 祈使句的構(gòu)成：( 1)肯定形式動(dòng)詞 +副詞：Get out.動(dòng)詞 + 賓語(yǔ)：Stop talking.Be+形容詞：Be careful.(2話定形式：don' t+動(dòng)詞。 Don' t take it away.(3) Let+人稱代詞賓語(yǔ)Let him not waste time.4、 What time is it?=What s the time?5、 Time for supper.=T

7、ime to have supper.6、dish 復(fù)數(shù) dishes7、 Good work。干得好8、 clean反義詞 dirty dry 反義詞 wet9、 單詞Hungry 饑餓的 vegetable蔬菜 cabbage洋白菜 pea豌豆 onion 洋蔥 carrot胡蘿卜ready準(zhǔn)備好的delicious美味的Pas請(qǐng)遞 wash洗dirty臟的dish盤(pán)子dry弄干towel毛巾Clean干凈的Lesson 6 in the living room1、 want to do sth想要做什 么2、 watch TV看電視3、 else的位置 What else can you

8、 find in the living room?4、 play cards 玩牌5、 read the newspapeft 報(bào)紙6、 in the corner介詞 in 用法7、everyone是單數(shù)后面謂語(yǔ)動(dòng)詞用單數(shù)8、單詞couch 沙發(fā) beside 在旁邊f(xié)ind 找至U card 卡片 newspaper報(bào)紙corner角落everyoneAALesson7-81、 fun玩笑Have fun=enjoy oneself=have a good time2、 again再一次，又一次3、lunch 午飯4、talk談話Lesson 9 on the school bus1、Ti

9、me to do sth 該做某事了。2、否定的祈使句祈使句的否定形式通常是在動(dòng)詞前加Don' t.若否定句有please把don' t放在pleaseW動(dòng)詞原形之間。3、常用頻率副詞Always總是 often經(jīng)常 never從不 sometime有時(shí) hardly幾乎不4、表示天氣的詞語(yǔ)Rainy多雨的snowy多雪的 windy多風(fēng)的cloudy多云的sunny晴朗的5、 like to do sth.=like doing sth.6、在具體的某天用介詞onOn a rainy day7、with 反義詞 without8、 eat a sandwich for lun

10、chi#ifor 的用法9、 bus stop 汽車站10、 Here comes the school bu倒裝句11、 by bus/car/bike/ship12、 ride one s bicycle=by bicycle13、far from 遠(yuǎn)離14、單詞Rainy下雨的forget忘記boot靴子umbrella雨傘have具有With一同 dry干燥的 without 沒(méi)有 wet濕白U usua11ys常的 sandwich明 治 sometimes時(shí)候 soup湯 always總是 pants褲子 never從不stop車站 by靠近ride騎Lesson 10 Li Mi

11、ng meets Jenny s class1、打招呼(1)見(jiàn)面打招呼Nice to meet you.=Nice to see you.Hello /Hi.Good moring/afternoon/evening.Good night./Good day.(2相應(yīng)的答語(yǔ)Nice to meet you,too./Nice meeting you,bye.Hello./Hi.Good moring/afternoon/evening.Good night./Good day.2、 be from=come fromHe comes from China尸He is from China.3、

12、 How 01d 問(wèn)年齡4、same用法Look the same#起來(lái)樣 the same asW。樣All/just the same 雖是如此5、 Where are you from?=Where do you come from?6、 the name of。的名字7、 live in居住在8、 speakW力口語(yǔ)言 speak Englishmiss想念9、單詞Far遠(yuǎn)方的 about大約family家apartment 一套公寓房間speak!兌話same同樣的lesson11 Mr. Wood teachers a lesson1、get to work開(kāi)始工作2、 詢問(wèn)天氣：

13、 How's the weather?=What's the wether like?3、sunny晴朗的 windy多風(fēng)的snowy下雪的cloudy多云的 rainy 下雨的4、回答天氣的方法：It's+天氣狀況+時(shí)間5、 詢問(wèn)溫度及回答 What's the temperature她點(diǎn)？回答It's+具體的溫度+degree?6、 選擇疑問(wèn)句一般選擇疑問(wèn)句：一般疑問(wèn)句 +or+ 被選擇的情況？ Is it an umbrella or a flower? It's a flower.一般疑問(wèn)句 +or not?Are you coming

14、or not?特殊選擇疑問(wèn)句：特殊疑問(wèn)句 +A or B?Which city is bigger,Beijing or Shanghai?7、How many問(wèn)可數(shù)名詞的多少How much 問(wèn)不可數(shù)名詞的多少8、 inside反義詞 outside hot 反義詞 cold9、 單詞 weather 天氣 temperature溫度 degree度數(shù) inside 在里面 hundred 百 hot 熱的cold冷的line直線circle圓圈square正方形 triangle三角形 favourite特別喜愛(ài)的shaped,犬a(chǎn)ll全部的lesson 12 How many are t

15、here?1、可數(shù)名詞單數(shù)變?yōu)閺?fù)數(shù)的方法以s、x、ch、sh結(jié)尾的，在詞尾加 es.以f或fe結(jié)尾的，變f或fe為v,再在詞尾加es.以字母o結(jié)尾的，直接加0.以輔音字母加y結(jié)尾的，變y為i加es.特殊 變化的： man-men woman-women child-children foot-feet tooth-teeth tomato-tomatoes potato-potatoes只有復(fù)數(shù)形式的詞語(yǔ)：clothes glasses pants scissors trousers shorts2、 bigger是big的比較級(jí)3、 this is 復(fù)數(shù) these are that is

16、復(fù)數(shù) those are4、 different 反義詞 samebe different from與。不同 the same a環(huán)口。本目同5、 at the end 結(jié)尾 at the end of .在.的結(jié)尾6、單詞get至U達(dá) end結(jié)尾 stamp郵票 man男人 woman女人 child孩子7、 get to 至U達(dá) get up起床 get back回來(lái) get in 進(jìn)入lesson13 always do your homework1、 do one's homework 做。的作業(yè)2、 be going to =will 將要做3、make a chart故表格

17、4、 put a triangle for alwaysHfor 的用法5、 walk to =on footI go to school on foot。=I walk to school.6、 on Saturdays星期幾用介詞on。7、單詞homework家庭作業(yè)walk步行else其他的lesson 14-16 let's sing a new song1、 play的用法play+球類、棋類 play footballplay+the+樂(lè)器 play a pianoplay with sb.2、 be sure to do sthS!定做某事 make sure確信3、 l

18、ike to =love to4、want sb. to do sth®要某人做某事5、 單詞guitar吉他 piano鋼琴 sure確信 softly柔軟的 bus stop公共汽車站school bus 校車 driver 司機(jī) gone 去 smile微笑 frown 皺眉期中復(fù)習(xí)一1、一課三練第一單元考試2、第一單元選擇專項(xiàng)練習(xí)(1) Li Ming to go to school.A want B wants C wanted(2)Li Ming is to Canada.A come B comeing C coming(3)Today is September.A t

19、wo B twenty C second(4) let' s home.A go B go to C goes(5) This the kitchen.A are B am C is(6) Thesebedrooms.A is B are C am(7)Here ishouse, Li Ming.A mine BI C my(8)I will show you the roomsmy house.A in B on Cat(9)in Li Ming' s bedroom?A Whose s B What' s C Where s(10)Time _ breakfast.

20、A of B for C in(11)I would like eggs, toast, jamjuice,please.A but B so C and(12)This is the refrigerator. It s cold.A outside B inside C behind(13)Mum is eggs on the stove.A cook B cooks C cooking(14)Let' s some dishes on the table.A putting B put C to put(15)This a bathtub.A are B am C is (16)

21、My hands dirty.A is B am C are (17)Can you help himit?A finds B find C finding (18)Is this toothbrush,Jenny?A your B yours C you (19)I need my hands and face.A wash B to wash C washes(20) What is it? It' s 6; 00.A times B time C clock(21)Let' s help my mother supper.A make B to making C make

22、s (22)She needs vegetables.A a B any C some (23) May I help?Sure.A your B yours C you (24)Jenny and Danny want TV.A watches B watch C to watch (25)What can you find in the living room?A a B else C an (26)Do you see a ?A flour B flowers C flower (27)This a TV.A aren' t B isn' t C can' t (

23、28)Do you see Li Ming the coener?A in B out C under (29)Jenny Danny live in Canada.A with B but C and (30)Li Ming is comingCanada.A two B to C too (31) Let help you.A me B IC my(32)What would you like breakfast?A on B in C for期中復(fù)習(xí)二一、一課三練第二單元測(cè)試卷講解。1、連詞成句注意首字母大寫(xiě)標(biāo)點(diǎn)符號(hào)。不要改變所給單詞的形式。2、選擇填空(7) speak和say的區(qū)另U

24、(2)系動(dòng)詞be的用法(3)祈使句的否定形式。二期中測(cè)試卷聽(tīng)力練習(xí)。三.期中測(cè)試卷部分練習(xí)題講解1、用所給單詞的正確形式填空。(1)代詞的運(yùn)用(2)現(xiàn)在進(jìn)行時(shí)的構(gòu)成(3) a/an/the 的用法(4)可數(shù)名詞單數(shù)變復(fù)數(shù)的變法(5)形容詞副詞的用法2、選擇(1)助動(dòng)詞do/does/did的用法(8) play、want、for、too、及介詞的用法3、句型轉(zhuǎn)換(1) What time is it?(2)What' s the temperature?(3)How' s the weather?(4彈數(shù)句變?yōu)閺?fù)數(shù)句(5)變一般疑問(wèn)句(6)變否定句四、第二單元單項(xiàng)選擇專項(xiàng)練習(xí)L

25、esson 17 seasons1、 there be 句型There be表示“某地有某物”，句中的there is和there are意思是“有”， 句子中的主語(yǔ)為be動(dòng)詞后的名詞。there is +單數(shù)名詞+表示場(chǎng)所的介詞短語(yǔ)There are +復(fù)數(shù)名詞+表示場(chǎng)所的介詞短語(yǔ)例 : There is a book on the table.There are many eggs in the fridge.否定句There is /are 句型的否定形式是在is/are 的后面加 not.例： There is not a bed in this room.一般疑問(wèn)句：將is/are調(diào)

26、到there之前Is there a middle school here?特殊疑問(wèn)句：在一般疑問(wèn)句前加上相應(yīng)的疑問(wèn)詞。How many people are there in your family?問(wèn)“某處有什么”的，用句型 What' sWhat' s on the table?2、感嘆句：表示喜怒哀樂(lè)等感情。一般用 how和what開(kāi)頭how +副詞（+主語(yǔ) +謂語(yǔ)） ！How high Li Ming jumps!（2）How +形容詞（+主語(yǔ) +謂語(yǔ)） ！How delicious the mooncakes are!（3）What +a/an （+形容詞）+單數(shù)名

27、詞（+主語(yǔ) +謂語(yǔ)） ！What an interesting film it is!（4）What （+形容詞）+不可數(shù)名詞（+主語(yǔ) +謂語(yǔ)） ！What thick ice!What （+形容詞）+復(fù)數(shù)名詞（ +主語(yǔ) +謂語(yǔ)）！What beautiful flowers they are!3、 多個(gè)形容詞修飾同一名詞時(shí)的排列順序限定詞（包括冠詞，序數(shù)詞，基數(shù)詞，物主代詞） +性質(zhì)、狀態(tài)+大小、長(zhǎng)短、高低+形狀 +新、舊、年齡+顏色 +產(chǎn)地、國(guó)籍+質(zhì)地、材料 +用途 +名詞中心詞4、 在四季用介詞 in。In spring/summer/fall/winter5、take off 脫掉 p

28、ut on 穿上6、 clothes 是常用詞，統(tǒng)指身上的各種衣服，包括上衣、褲子、內(nèi)衣等；是復(fù)數(shù)名詞，可與many ,few 等詞連用，但不能直接與數(shù)詞連用， “一套衣服”要說(shuō) a suit of clothesclothing 是物質(zhì)名詞，是服裝的總稱；沒(méi)有復(fù)數(shù)形式，后面要接動(dòng)詞的第三人稱單數(shù)形式。dress范圍較寬，做可數(shù)名詞講時(shí)，指意見(jiàn)女服、連衣裙；做不可數(shù)名詞 講時(shí)，指某種特殊服裝。7、單詞Winter冬季 spring春天 summer夏季 fall秋季 season季節(jié) bloom 開(kāi)花 wind風(fēng)blow吹動(dòng)different不同的clothes衣服mitten連指手套 wea

29、r穿 Lesson18 snow It' s winter.1、英語(yǔ)中如何表達(dá)日期英語(yǔ)中表達(dá)幾月幾日星期幾，要按照從小到大的順序，即：星期、月、日、年。Saturday January,30th,2010.2、 ready準(zhǔn)備好Be ready fo函、做好準(zhǔn)備Get ready for3、 put on穿上，強(qiáng)調(diào)穿的動(dòng)作Wear穿，強(qiáng)調(diào)穿的狀態(tài)4、 look out 向、外看Look after照顧 look like 看起來(lái)像 look for 尋找 look at看 look over檢查 look up查字典5、 Are you ready for school?=Are yo

30、u ready to go to school?6、want to do sth想要做某事7、teach sb.sth.（某人某事8、on the ice 在冰上9、like to do sth.喜歡做某事10、單詞November十一月ready準(zhǔn)備好100k看snowy下雪的like喜歡skate滑冰ice冰 ski滑雪 snow 雪Lesson 19 Danny s winter clothes1 forget to do sth忘記了該做的事情Forget doing sth忘記了做某事2 love to do sth.Love sth.3 want to do sth.4 in th

31、e snow介tin 的用法5單詞Outside在外面，put放 scarf圍巾 mitts連指手套Take帶走 inside內(nèi)部的精選Lesson 20 winter fun1形容詞、副詞的比較級(jí)的構(gòu)成方法(1) 一般在詞尾加 er。 Small-smaller(2)以字母e結(jié)尾的直接加r. fine-finer(3)以輔音字母加y結(jié)尾的，先變Y為i,再加er.Dry-drier以一個(gè)輔音字母結(jié)尾的重度閉音節(jié)形容詞，先雙寫(xiě)這個(gè)輔音字母，再加er。Hot-hotter不規(guī)則變化規(guī)則Good/well better bad/badly/ill worse many/much-more littl

32、e-less far-farther/further old-older/elder3形容詞、比較級(jí)的用法(1)表示A超過(guò)B。A+謂語(yǔ)(be動(dòng)詞)+形容詞比較級(jí)+than+BA+ 謂語(yǔ)(行為動(dòng)詞)+副詞比較級(jí)+than+BThe weather here is hotter than in your hometown.He speaks English better than I.(2)表示A 不及 B.A+ 謂語(yǔ)否定形式 +形容詞、副詞的比較級(jí)+than+BA+謂語(yǔ)+less+形容詞、副詞原級(jí)+than+BA+謂語(yǔ)否定形式+so/as+形容詞、副詞原級(jí)+as+BHe doesd t run

33、faster than his elder brother.Mrs . Brown isn t so/as she looks.(3)表示A 和 B 是同等程度A+謂語(yǔ)+as+形容詞、副詞原級(jí)+as+BMary dances as well as Kate.(4)the +比較級(jí)，the+ 比較級(jí)。The more he eats,the fatter he will be.the +比較級(jí)+of the twothe taller of the two boys is my elder brother.2 put 的用法Puton top 把。 。 。放在上面Put away 將。 。 。收

34、起 put down 放下 put into 放進(jìn)Put on 穿上 put out 熄滅 put up 建造3 含有第一、三人稱主語(yǔ)的祈使句（ 1）肯定式句型Let+第一人稱（me.uS） +動(dòng)詞原形+其他Let+第三人稱代詞（him/her/it/them ）或名詞短語(yǔ)+動(dòng)詞原形+其他Let me try again.Let Tom go there himself.（2）否定形式Let' s +not+動(dòng)詞原形+其他Don' tlet+第三人稱代詞的賓格或名詞短語(yǔ)+動(dòng)詞原形+其他Let' s not say anything about it.Don '

35、t let them play with fire.4 why 的用法答句用because1）答Why didn' t you go to school yesterday?Because I hurt my leg.5 else的用法用在疑問(wèn)詞或不定代詞后。What else do you want?Or else否則，要不然6 look out”、心=Be careful!=Take careful!7 go inside=go into the room反義詞go outside8單詞Snowman雪人 another再snowball 雪球 smaller比較/J、的 than

36、 比 top 頂 端little一點(diǎn)兒rock石子stick柴think思考wonderful意想不到的slide滑 動(dòng) throw 扔 why 為什么 because1lesson 21 A skating lesson1 walk forwards反義詞 walk backwards2 turn around 轉(zhuǎn)圈3 teach的用法(過(guò)去式taught)(1)Teach 侯語(yǔ)。He taught a big class.(2)teach+間接賓語(yǔ)+直接賓語(yǔ)He teaches us English.(3)teach族語(yǔ)+動(dòng)詞不定式She taught her son to draw.(4

37、)teach侯語(yǔ)+how+動(dòng)詞不定式He taught me how to write.4 do 的用法與 do 有關(guān)的短語(yǔ)Do some cleaningKT掃衛(wèi)生do one' s bes限某人最大的努力Do the bed整理床鋪do some washin觥衣服Do one' s homework做某人的作業(yè) do some shoppin幽物Do sports做運(yùn)動(dòng) do well in在。方面做得好5 fast 側(cè)重于指人或物具有動(dòng)作快的特點(diǎn)Run as fast as you can.Quickly 指反應(yīng)快或表示某事在比較短的時(shí)間里發(fā)生或完成。He had br

38、eakfast quickly.Soon 不久，指現(xiàn)在或指定時(shí)間之后不久。Soon， they were in the middle of the river.6 a pair of雙，副，7 put +代詞的賓格+on8 stand up反義詞 sit down9 on the icefH0 on10 fall down 跌倒11 come on小心，力口油11單詞Forwards向前 backwards向后 turn 轉(zhuǎn)身 around在周圍Teach教，教學(xué)learn學(xué)習(xí)skate溜冰鞋think思考Come來(lái)oops哎呦slowly緩慢的fast快的Lesson 22 I like w

39、inter1 favourite最喜歡的My favourite season is =I like best.Which season do you like best?What' s your favourite season?2 in winter在冬季3 like to do sth喜歡做什么4 play的用法Play+the+樂(lè)器Play+球類、棋類5 in the park在公園6單詞Favourite最喜歡的splash濺起run跑步fly飛Lesson 25 Christmas is coming1 give sb. Sth.=give sth. to sb.Give

40、up 放棄 give backB還2 have fun =have a good timeHave fun doing sth.3序數(shù)詞的變化規(guī)則口訣：第一、第二、第三特殊記，8去t, 9去e, f來(lái)把ve替，ty須變tie, 若是遇到幾十幾，只需把個(gè)位來(lái)變，th最后加上去。One-first two-second three-third four-fourth five-fifth six-sixthseven-seventh eight-eighthNine-ninth twelve-twelfth twenty-twentieth twenty-one-twenty-first4 on

41、a holiday#o on 的用法5 He is a merry man in red clothes,詞 in 的用法6 on Christmanst司 on 的用法7 invite sb. to do sth.8 They bring gifts for us/H司 for 的用法9 excited主語(yǔ)是人exciting主語(yǔ)是物10 bring sb. sth=bring sth to sb.11單詞Christmas圣誕節(jié) holiday假日 special特殊的 light 燈Christmas tree圣誕樹(shù) Santa圣誕老人 merry愉快的bring帶來(lái)toy玩具carol

42、 頌歌 together一起 excited興奮地Lesson 26 Christmas tree1 walk to school=go to school on foot2 一般過(guò)去時(shí)（1）主要表示過(guò)去發(fā)生的動(dòng)作或事情。（2）含有BE動(dòng)詞的肯定句：主語(yǔ)+be動(dòng)詞的過(guò)去式（was/wea© +否定式：主語(yǔ)+be動(dòng)詞的過(guò)去式（was/were） +not+一般疑問(wèn)句：be動(dòng)詞的過(guò)去式（was/were） +主語(yǔ)+肯定回答：Yes主語(yǔ)+was/were.否定回答：No,主語(yǔ)+wasn' t/weren' t.特殊疑問(wèn)句：特殊疑問(wèn)詞+be動(dòng)詞的過(guò)去式（was/were） +

43、主語(yǔ)+？（3）含有實(shí)義動(dòng)詞的肯定句：主語(yǔ)+動(dòng)詞的過(guò)去式+ 。 。 。 。 。否定句：主語(yǔ)+did not+ 動(dòng)詞原形 + 。 。 。 。 。一般疑問(wèn)句： Did+ 主語(yǔ) +動(dòng)詞原形+ 。 。 。 。 。 。肯定回答：Yes主語(yǔ)+did.否定回答：No,主語(yǔ)+didn' t.特殊疑問(wèn)句：特殊疑問(wèn)詞+did+主語(yǔ)+動(dòng)詞原形+。（ 4）動(dòng)詞的過(guò)去式變化規(guī)則A 一般在動(dòng)詞的詞尾加上 ed. Play-playedB 以 e 結(jié)尾的動(dòng)詞在詞尾加 d. arrive-arrivedC 以輔音字母加y 結(jié)尾的變 y 為 i 加 ed。Carry-carriedD 以重讀閉音節(jié)的動(dòng)詞雙寫(xiě)最后一個(gè)輔音子母加ed. Stop-stoppedE 不規(guī)則的變化3 一般現(xiàn)在時(shí)（1） 表示經(jīng)常發(fā)生的動(dòng)作或習(xí)慣性的動(dòng)作。 通常和 usually,sometimes,always,often 連用。（ 2）肯定句：主語(yǔ)（第一、二人稱單復(fù)數(shù)，第三人稱復(fù)數(shù)）+ 動(dòng)詞原形+、主語(yǔ)（第三人單數(shù)） +動(dòng)詞第三人稱單數(shù)形式 + 、 、 、 、 、 、否定式：主語(yǔ)(第一、二人稱單復(fù)數(shù)，第三人稱復(fù)數(shù))+do not+動(dòng)詞原形+、主語(yǔ)(第三人稱單數(shù))+does n