




版權說明:本文檔由用戶提供并上傳,收益歸屬內容提供方,若內容存在侵權,請進行舉報或認領
文檔簡介
1、冀教版八年級上冊英語語法點滴 1 1) leave的用法1.“l(fā)eave+地點表示“離開某地。例如:When did you leave Shanghai?你什么時候離開上海的?2.“l(fā)eave for+地點表示“動身去某地。例如:Next Friday, Alice is leaving for London.下周五,愛麗斯要去倫敦了。3.“l(fā)eave+地點+for+地點表示“離開某地去某地。例如:Why are you leaving Shanghai for Beijing?你為什么要離開上海去北京?2) 情態(tài)動詞should“應該學會使用should作為情態(tài)動詞用,常常表示意外、驚奇、
2、不能理解等,有“竟會的意思,例如:How should I know? 我怎么知道?Why should you be so late today? 你今天為什么來得這么晚?should有時表示應當做或發(fā)生的事,例如:We should help each other.我們應當互相幫助。我們在使用時要注意以下幾點:1. 用于表示“應該或“不應該的概念。此時常指長輩教導或責備晚輩。例如:You should be here with clean hands. 你應該把手洗干凈了再來。 2. 用于提出意見勸導別人。例如:You should go to the doctor if you feel
3、 ill. 如果你感覺不舒服,你最好去看醫(yī)生。3. 用于表示可能性。should的這一用法是考試中常常出現(xiàn)的考點之一。例如:We should arrive by supper time. 我們在晚飯前就能到了。 She should be here any moment. 她隨時都可能來。 3) What.? 與 Which.?1. what 與 which 都是疑問代詞,都可以指人或事物,但是what僅用來詢問職業(yè)。如: What is your father? 你父親是干什么的?該句相當于: What does your father do?What is your
4、 father's job?Which 指代的是特定范圍內的某一個人。如: -Which is Peter? 哪個是皮特? -The boy behind Mary. 瑪麗背后的那個男孩。2. What.?是泛指,所指的事物沒有范圍的限制;而 Which.?是特指,所指的事物有范圍的限制。如: What color do you like best? 所有顏色你最喜愛什么顏色? Which color do you like best, blue, green or yellow? 有特定的范圍你最
5、喜愛哪一種顏色?3. what 與 which 后都可以接單、復數(shù)名詞和不可數(shù)名詞。如: Which pictures are from China?哪些圖片來自中國?4) 頻度副詞的位置1.常見的頻度副詞有以下這些: always總是,一直 usually通常 often常常,經(jīng)常 sometimes有時候 never從不2.頻度副詞的位置:a.放在連系動詞、助動詞或情態(tài)動詞后面。如:David is often arrives late for school.大衛(wèi)上學經(jīng)常遲到。b.放在行為動詞前。如:We usually go to school at 7:10 every day.我們每
6、天經(jīng)常在7:10去上學。c.有些頻度副詞可放在句首或句尾,用來表示強調。如:Sometimes I walk home, sometime I rides a bike.有時我步行回家,有時我騎自行車。3.never放在句首時,主語、謂語動詞要倒裝。如:Never have I been there.我從沒到過那兒。5) every day 與 everyday1. every day作狀語,譯為“每一天。如:We go to school at 7:10 every day.我們每天7:10去上學。I decide to read English every day.我決定每天讀英語。2.
7、everyday 作定語,譯為“日常的。She watches everyday English on TV after dinner.她晚飯后在電視上看日常英語。What's your everyday activity?你的日?;顒邮鞘裁矗?) 什么是助動詞1.幫助主要動詞構成謂語動詞詞組的詞叫助動詞Auxiliary Verb。被協(xié)助的動詞稱作主要動詞Main Verb。助動詞自身沒有詞義,不可單獨使用,例如:He doesn't like English.他不喜歡英語。doesn't是助動詞,無詞義;like是主要動詞,有詞義2.助動詞協(xié)助主要動詞完成以下功用,
8、可以用來: a. 表示時態(tài),例如:He is singing.他在唱歌。He has got married.他已結婚。 b. 表示語態(tài),例如:He was sent to England.他被派往英國。 c. 構成疑問句,例如:Do you like college life?你喜歡大學生活嗎?Did you study English before you came here?你來這兒之前學過英語嗎? d. 與否認副詞not合用,構成否認句,例如:I don't like him. 我不喜歡他。 e. 加強語氣,例如:Do come to the party tomorrow ev
9、ening. 明天晚上一定來參加晚會。He did know that. 他確實知道那件事。3.最常用的助動詞有:be, have, do, shall, will, should, would7) forget doing/to do與remember doing/to do1.forget to do忘記要去做某事。(未做)forget doing忘記做過某事。(已做)The light in the office is still on. He forgot to turn it off.辦公室的燈還在亮著,它忘記關了。(沒有做關燈的動作)He forgot turning the li
10、ght off. 他忘記他已經(jīng)關了燈了。 ( 已做過關燈的動作)Don't forget to come tomorrow.別忘了明天來。(to come動作未做)典型例題- The light in the office is still on.- Oh,I forgot_. A. turning it off B. turn it off C. to turn it off D. having turned it off答案:C。由the light is still on 可知燈亮著,即關燈的動作沒有發(fā)生,因此用forget to do sth.而forget doing sth
11、表示燈已經(jīng)關上了,而自己忘記了這一事實。此處不符合題意。2.remember to do 記得去做某事 (未做)remember doing記得做過某事 (已做)Remember to go to the post office after school.記著放學后去趟郵局。Don't you remember seeing the man before? 你不記得以前見過那個人嗎?8) It's for sb.和 It's of sb.1.for sb. 常用于表示事物的特征特點,表示客觀形式的形容詞,如easy, hard, difficult, interesti
12、ng, impossible等: It's very hard for him to study two languages. 對他來說學兩門外語是很難的。2.of sb的句型一般用表示人物的性格,品德,表示主觀感情或態(tài)度的形容詞,如good, kind, nice, clever, foolish, right。 It's very nice of you to help me. 你來幫助我,你真是太好了。3.for 與of 的區(qū)分方法:用介詞后面的代詞作主語,用介詞前邊的形容詞作表語,造個句子。如果道理上通順用of,不通那么用for。如: You are nice.(通順,
13、所以應用of)。 He is hard.(人是困難的,不通,因此應用for。)9) 對兩個句子的提問冀教英語在命題中有將對句子劃線提問這一題型取消的趨勢,現(xiàn)在采取的作法是對一個句子進行自由提問。例如:句子:The boy in blue has three pens.提問:1.Who has three pens?2.Which boy has three pens?3.What does the boy in blue have?4.How many pens does the boy in blue have?很顯然,學生多了更多的答復角度,也表達了考試的靈活性。再如:句子:He usua
14、lly goes to the park with his friends at 8:00 on Sunday.提問:1.Who usually goes to the park with his friends at 8:00 on Sunday?2.Where does he usually go with his friends at 8:00 on Sunday?3.What does he usually do with his friends at 8:00 on Sunday?4.With whom does he usually go to the park at 8:00 o
15、n Sunday?5.What time does he usually go to the park with his friends on Sunday?6.When does he usually go to the park with his friends?10) so、such與不定冠詞的使用1.so與不定冠詞a、an連用,結構為“so+形容詞+a/an+名詞。如:He is so funny a boy.Jim has so big a house.2.such與不定冠詞a、an連用,結構為“such+a/an+形容詞+名詞。如:It is such a nice day.Tha
16、t was such an interesting story.11) 使用-ing分詞的幾種情況1.在進行時態(tài)中。如:He is watching TV in the room.They were dancing at nine o'clock last night.2.在there be結構中。如:There is a boy swimming in the river.3.在have fun/problems結構中。如:We have fun learning English this term.They had problems getting to the top of th
17、e mountain.4.在介詞后面。如:Thanks for helping me.Are you good at playing basketball.5.在以下結構中:enjoy doing sth樂于做某事finish doing sth完成做某事feel like doing sth 想要做某事stop doing sth &
18、#160; 停止做某事forget doing sth 忘記做過某事go on doing sth &
19、#160; 繼續(xù)做某事remember doing sth 記得做過某事like doing sth
20、; 喜歡做某事keep sb doing sth 使某人一直做某事find sb doing sth
21、; 發(fā)現(xiàn)某人做某事see/hear/watch sb doing sth 看到/聽到/觀看某人做某事try doing sth 試圖做某事need doing sth &
22、#160; 需要做某事prefer doing sth 寧愿做某事mind doing sth
23、60; 介意做某事practice doing sth 練習做某事be busy doing sth
24、 忙于做某事can't help doing sth 禁不住做某事miss doing sth
25、0; 錯過做某事 12) 英語中的“單數(shù)1.主語的第三人稱單數(shù)形式,即可用“he,she,it代替的。如:he, she, itmy friend, his teacher, our classroom, Tom, Mary's uncle2.名詞有單數(shù)名詞和復數(shù)名詞。如:man單數(shù)-men復數(shù) banana單數(shù)-bananas
26、復數(shù)3.動詞有原形,第三人稱單數(shù)形式,-ing分詞,過去式,過去分詞。如:go-goes-going-went-gone work-works-working-worked-workedwatch-watches-watching-watched-watched當主語為第三人稱單數(shù)的時候,謂語動詞必須用相應的第三人稱單數(shù)形式。如:The boy wants to be a sales assistant. Our English teacher is from the US. Their daughter makes her breakfast all by hersel
27、f.13) 名詞的復數(shù)構成的幾種形式名詞復數(shù)的構成可分為規(guī)那么變化和不規(guī)那么變化兩種。I 名詞復數(shù)的規(guī)那么變化1.一般在名詞詞尾加-s。如:pear-pears hamburger-hamburgersdesk-deskstree-trees2.以字母-s, -sh, -ch, -x結尾的名詞,詞尾加-es。如:class-classes
28、0; dish-disheswatch-watches box-boxes3.以字母-o結尾的某些名詞,詞尾加-es。如:potato-potatoes
29、160; tomato-tomatoesNegro-Negroes hero-heroes4.以輔音字母加-y結尾的名詞,將-y變?yōu)?i,再加-es。如:family-families dic
30、tionary-dictionariescity-cities country-countries5.以字母-f或-fe結尾的名詞,將-f或-fe變?yōu)?v,再加-es。如:half-halves
31、; leaf-leavesthief-thieves knife-knivesself-selves wife-wiveslife-lives &
32、#160; wolf-wolvesshelf-shelves loaf-loaves但是:scarf-scarves(fes)
33、60; roof-roofsserf-serfs gulf-gulfschief-chiefs proof-proofsbelief-beliefsII 名詞復數(shù)的不規(guī)那么變化1.
34、將-oo改為-ee。如:foot-feet tooth-teeth2.將-man改為-men。如:man-men
35、0; woman-womenpoliceman-policemen postman-postmen3.添加詞尾。如:child-children4.單復數(shù)同形。如:sheep-sheep deer-deerfish-fish
36、160; people-people5.表示“某國人的單、復數(shù)變化。即“中日瑞不變英法變,其它國把-s加后面。如:Chinese-Chinese Japanese-Japanese
37、 Swiss-SwissEnglishman-Englishmen Frenchman-FrenchmenAmerican-Americans Australian-AustraliansCanadian-Canadians
38、160; Korean-KoreansRussian-Russians Indian-Indians6.其它。如:mouse-miceapple tree-apple treesman teacher-men teachers 14) 雙寫最后一個字母的-ing分詞初中階段常見的有以下這些:1.letletting讓hithitting打、撞cutcutting切、割getgetting取、得到sitsitting坐forgetf
39、orgetting忘記putputting放setsetting設置babysitbabysitting 臨時受雇照顧嬰兒2.shopshopping購物triptripping絆stopstopping停止dropdropping放棄3.traveltravel(l)ing旅游swimswimming游泳runrunning跑步digdigging挖、掘beginbeginning開始preferpreferring 寧愿
40、160; planplanning 方案15) 肯定句變否認句及疑問句要變化的一些詞1.some變?yōu)閍ny。如:There are some birds in the tree.There aren't any birds in the tree.但是,假設在表示請邀請、請求的句子中,some可以不變。如:Would you like some orange juice?與此相關的一些不定代詞如something, somebody等也要進行相
41、應變化。2.and變?yōu)閛r。如:I have a knife and a ruler.I don't have a knife or a ruler.3.a lot of (=lots of)變?yōu)閙any或much。如:They have a lot of friends.可數(shù)名詞They don't have many friends.There is lots of orange in the bottle.不可數(shù)名詞There isn't much orange in the bottle.4.already變?yōu)閥et。如:I have been there al
42、ready.I haven't been there yet.16) in與afterin 與 after 都可以表示時間,但二者有所區(qū)別。1.in 經(jīng)常用于將來時的句子中,以現(xiàn)在為起點,表示將來一段時間。如:He will leave for Beijing in a week.一周后他會動身去北京。2.after 經(jīng)常用于過去時的句子中,以過去為起點,表示過去一段時間。如:He left for Beijing after a week.一周后他動身去了北京。不過,如果after后跟的是具體的時刻,它也可用于將來時。如:We will finish the work after t
43、en o'clock.十點后我們會完成工作的。3.注意區(qū)分以下的in的用法。I'll visit him in a week.一周后我會去拜訪他。I'll visit him twice in a week.一周內我會去拜訪他兩次。17) 不定冠詞a與an的使用1.a 用在以輔音音素開頭的單詞前。如:There is a "b" in the word "book".單詞book中有個字母b。類似的字母還有:b,c, d, g, j, k, p, q, t, u, v, w, y, z。She has a small knife.
44、她有一把小刀。2.an 用于以元音音素開頭的單詞前。如:There is an "i" in the word "onion".單詞onion中有個字母i。類似的字母還有:a, e, f, h,i, l, m, n, o, r, s, x。Do you have an umbrella?你有一把雨傘嗎?3.以元音字母開頭的單詞前面不一定都用an;以輔音字母開頭的單詞前面也不一定都用a。如:a useful booka universitya one-letter word
45、 an houran unclean umbrellaan honest person18) 如何表達英語中的“穿、戴?英語中表示“穿、戴的表達方法有好幾種,常見的有以下這些:1、put on 主要表達“穿的動作。如: He put on his coat.他穿上了他的外套。You'd better put on your shoes.你最好穿上你的鞋子。2、wear 主要表示“穿、戴的狀態(tài)。如: The old man wears a pair of glasses.老人戴著一副眼鏡。 The girl is wearing a red skirt
46、.那女孩穿著一條紅色的短裙。3、dress 可作及物動詞,有“給.穿衣的意思,后接“人,而不是“衣服。如: Please dress the children right now.請立即給孩子們穿上衣服。 dress 也可作不及物動詞,表示衣著的習慣。如: The woman always dresses in green.那位婦女總是穿綠色的衣服。4、be in 表示穿著的狀態(tài)。如: John is in white today.約翰今天穿白色的衣服。 The man in black is a football coach.19) a little, a few 與 a bit (of)&
47、#160; a little, a few 與 a bit (of) 都有“一些、少量的意義。他們的區(qū)別在哪里呢? 1. a little意為“一些、少量,后接不可數(shù)名詞。如: There is a little water in the bottle. 瓶子里有一點水。 還可以接形容詞。如: He is a little shy. 他有些害羞。 2. a few 意為“一些、少數(shù),后接復數(shù)的可數(shù)名詞。如: There are a few people in the room. 房間里有一些人。 3. a bit 意
48、為“一點兒,后接形容詞。如: It's a bit cold. 有點冷。 a bit of 后接不可數(shù)名詞。如: He has a bit of money. 他有一點兒錢。 4. a little 表肯定意義,little 表否認意義;a few 表肯定意義,few 表否認意義。如: There is a little soda in the glass. 杯子里有一點兒汽水。 There is little soda in the glass. 杯子里幾乎沒有汽水了。 I have a few
49、Chinese friends. 我有一些中國朋友。 Few people like him. 幾乎沒有人喜歡他。 5. a little = a bit of, 后接不可數(shù)名詞; a little = a bit = a little bit = kind of, 后接形容詞,意為“有點兒。25) other及其用法Other 及其相近的詞組,如 others, the other, the others, another, any other 等,一直是中學生朋友們比較困擾的問題,平常的考試、作業(yè)中經(jīng)常出錯。下面是它們的一些用法:1、other
50、指其余的人或物,所有格是 other's,復數(shù)形式是 others,the other 指“兩個人或物中的另一個,其復數(shù)形式是 the others,others 相當于“other + 名詞,所以不能充當定語,修飾名詞。others指整體中去掉一局部后剩余的局部,但不是全部的,即 some.others 一些.其余的人.。the others 強調整體中除去一局部后剩余的全部,即some.the others.2、another 泛指三個以上的不定數(shù)目中的“另外一個。由 an 和 other 合并構成,所以不能和冠詞連用。another 修飾單數(shù)名詞,比方:another penci
51、l. 3、any other 指除去本身以外的“任何其他的人或物,后面要用名詞的單數(shù)形式。26) look 短語常見的look短語有以下這些:1.look at 朝.看Please look at the map of China.請看中國地圖。(look at=have a look at)2.look for 尋找The old man is looking for his dog.老人在尋找他的狗。3.look like 看起來像Nancy looks like her mother.南??雌饋硐袼赣H。4.look the same 看上去一樣Li Ping and Li Jing l
52、ook the same.李萍和李晶看上去一樣。5.look up 查找Please look up the word in the dictionary.請在詞典中查找這個單詞。6.look over 仔細檢查The doctor looked over Mary carefully.醫(yī)生仔細檢查了瑪麗。7.look after 照顧,照看You must look after your old father.你必須照顧你的老父親。8.look around 到處尋找、查看We looked around, but we found nothing strange.我們四處查看,但是我們沒有
53、發(fā)現(xiàn)奇怪的東西。27) too,also與either1.too用于肯定句和疑問句,一般放在句尾,其前常加逗號。如:We are in the same school, too.我們也在相同的學校。Do you play soccer every day, too?你也每天踢足球嗎?2.also用于肯定句和疑問句,一般位于實義動詞前、be動詞后。如:Sandra is also a Korean student.Sandra 也是一個韓國學生。3.either用于否認句,一般放在句末。如:They don't know the answer, either.她們也不知道答案。4.as
54、well as也有“也的意思。如:We have great mushroom pizza as well as soda.He is a happy boy as well.28) hard與hardly1.hard既可作形容詞,也可作副詞。如:It's a hard(adj.) question. (=difficult)這是一個難的問題。The boy studies very hard(adv.).那男孩學習非常努力。句子結構:It's hard for sb to do sth 做某事對某人來說是難的。如:It's hard for him to finish
55、 the work. 完成那項工作對他來說很難。注意區(qū)分:hard work 困難的工作work hard 努力工作2.hardly是頻度副詞,表示否認的意思。=almost not通常用在形容詞、副詞和動詞之前。如:I can hardly see it.我?guī)缀蹩床坏剿?9) sometime,sometimes,some time與some times1.sometime是時間副詞,指不確定的將來或過去某一點時間某時候或任何時候,不指一段時間。如:We'll go to Beijing sometime next month.我們下個月某一時候會去北京。2.sometimes是頻
56、度副詞,指“有時、“不時的意思=at times。如:Sometimes I get up very late on Sunday morning.有時候我在星期天早晨起得很晚。3.some time是名詞詞組,指一段時間一些時間或假設干時間。如:It took him some time to finish the book.她花了一些時間去完成作業(yè)。4.some times指“幾次。如:He met the woman some times last month.上個月他見過那婦女幾次。30) exercise的一些用法1.作不及物動詞,譯為“運動,鍛煉。如:David exercises
57、 every morning.大衛(wèi)每天早晨進行鍛煉。2.作及物動詞,譯為“訓練。如:Swimming exercises the whole body.游泳能使身體得到全面的鍛煉。3.作名詞,譯為“體育鍛煉、運動、體操、練習題等。如:It's good to do eye exercises every day.每天做眼保鍵操對眼睛有好處。Please do more exercise from now on.從今以后請多做運動吧。I have lots of homework to do tonight.今晚我有很多的作業(yè)要做。4.注意:exercise指具體運動或體操時是可數(shù)名詞,
58、復數(shù)形式為exercises;泛指運動時是不可數(shù)名詞。31) maybe與may be1.maybe是副詞,譯為“也許、可能,相當于“perhaps。如:Maybe he can answer the question.也許他能答復那個問題。He maybe is from the USA, too.他可能也來自美國。2.may be中的may為情態(tài)動詞,譯為“可能是.。如:He may be from the USA, too.他可能也來自美國。She may be our English teacher.她可能是我們的英語老師。32) same與different1.same指“相同的,前
59、面通常要有一個定冠詞the,但是如果same前面已經(jīng)有this,those等詞,就不能再與the連用了。如:We are in the same class.我們在同一個班級。結構:the same as與.一樣如:His mark is the same as mine.他的分數(shù)和我的分數(shù)一樣。2.different譯為“不同的,其后的可數(shù)名詞應為復數(shù)形式。如:We are in different classes.我們在不同的班級。結構:be different from與.不同如:This sweater is different from that one.這件毛衣與那一件不同。dif
60、ferent的名詞形式為difference, 復數(shù)形式為differences。33) 動詞want的用法1.want sth. 想要某物They want some help.他們需要一些幫助。2.want sb. to do sth. 想要某人去做某事My father wants me to help him on the farm.我父親要我在農(nóng)場上幫他。3.want to do sth. 想要做某事I want to study English in England.我想要在英國學習英語。4.want doing 需要.Your sweater wants washing.你的運動
61、衣該洗了。34) be good(bad) for、be good at的相關用法1.be good for 對.有益Doing morning exercises is good for your health.做早操對你們的建康有益。2.be good at 擅長于.Li Ping is good at basketball.李平擅長于籃球。= Li Ping is good at playing basketball.李平擅長于打籃球。be good at = do well in 如:I'm good at math. = I do well in math.我擅長于數(shù)學。3.
62、be good to 對.好Parents are always good to their children.父母親總是對他們的孩子好。35) how many與how much1.how many表示“多少,對數(shù)量提問,后面接可數(shù)名詞的復數(shù)形式。如:There are four people in my family.-How many people are in your family? 你家里有幾個人?We have seven classes every day.-How many classes do you have every day? 你們每天上幾節(jié)課?2.how much也是表示“多少,但它對不可數(shù)名詞進行提問。如:There is some milk in the bottle.-How much milk is there in the bottle?
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。文件的所有權益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內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)權益所有人同意不得將文件中的內容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內容本身不做任何修改或編輯,并不能對任何下載內容負責。
- 6. 下載文件中如有侵權或不適當內容,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
- 編程培訓班匯報
- 交通工程安全生產(chǎn)培訓
- 研究生教育與保安專業(yè)發(fā)展的聯(lián)系計劃
- 車輛過戶項目合同協(xié)議
- 演出用工協(xié)議書
- 車位出租轉讓合同協(xié)議
- 送水店轉讓合同協(xié)議
- 《古代小說選讀》課件
- 消防雙方協(xié)議書
- 陶瓷產(chǎn)品購銷合同書
- 大神心理測試題及答案
- 2025春季學期國開河南電大本科《行政管理理論與實踐專題講座》一平臺無紙化考試(作業(yè)練習+我要考試)試題及答案
- 全球汽車產(chǎn)業(yè)發(fā)展現(xiàn)狀與趨勢
- T-COFA 0021-2022 漁用油電混合多旋翼無人機安全檢查和維 護保養(yǎng)要求
- 機械制造質量整改報告范文
- 2025貴州畢節(jié)市七星關區(qū)招聘城市社區(qū)工作者186人筆試備考題庫及答案解析
- 2025屆河北省“五個一”名校聯(lián)盟高三下學期4月聯(lián)考化學試題(含答案)
- 山東省泰安市2025屆高三二輪模擬檢測考試政治(泰安二模)(含答案)
- 2025年特種設備安全考試題庫(設備拆除)試題
- 2025修訂版《保障中小企業(yè)款項支付條例》解讀學習課件
- DB64-266-2018:建筑工程資料管理規(guī)程-201-250
評論
0/150
提交評論