版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、五六年级英语语法要点 五六年级英语语法要点 一、名词复数规则 1一般情况下,直接加-s, 如:book-books, bag-bags, cat-cats, bed-beds 2以s. x. sh. ch结尾,加-es, 如:bus-buses, box-boxes, brush-brushes, watch-watches 3以“辅音字母+y”结尾,变y为i, 再加-es, 如:family-families, strawberry-strawberries 4以“f或fe”结尾,变f或fe为v, 再加-es, 如:knife-knives 但有些词只加s: roofs, proof s,
2、chiefs. 五六年级英语语法要点 5. 以o结尾的名词,有些加es: Negroes, heroes, tomatoes, potatoes; 其它加s: radios, zoos, pianos, photos; zero加s,es均可。 6不规则名词复数: policeman-policemen, man-men, policewoman-policewomen, foot-feet, mouse-mice woman-women, fish-fish, child-children . tooth-teeth people-people, Chinese-Chinese, Japan
3、ese-Japanese 五六年级英语语法要点 写出下列各词的复数写出下列各词的复数 I _ him _ this _ her _ watch _ child _ photo _ diary _ day_ foot_ book_ dress _ tooth_ sheep _ box_ strawberry _ thief _ yo-yo _ peach_ sandwich _ man_ woman_ paper_ juice_ water_ milk_ rice_ tea_ wethem thesetheir watcheschildrenphotos diaries daysfeet boo
4、ksdressesteeth sheepboxesstrawberries thievesyo-yospeaches sandwichesmenwomen paperjuicewater milkricetea 五六年级英语语法要点 二、一般现在时二、一般现在时 一般现在时基本用法介绍 一般现在时的功能 1.表示事物或人物的特征、状态。 如:The sky is blue.天空是蓝色的。 2.表示经常性或习惯性的动作。 如:I get up at six every day.我每天六点起床。 3.表示客观现实。 如:The earth goes around the sun.地球绕着太阳转。
5、五六年级英语语法要点 1. be动词:主语+be(am,is,are)+其它。 如:I am a boy.我是一个男孩。 2.行为动词:主语+行为动词(+其它)。 如:We study English.我们学习英语。 如:Mary likes Chinese.玛丽喜欢汉语。 五六年级英语语法要点 1. be动词的变化。动词的变化。 否定句:主语+ be + not +其它。 如:He is not a worker.他不是工人。 一般疑问句:Be +主语+其它。 如:-Are you a student? -Yes. I am. / No, Im not. 特殊疑问句:疑问词+一般疑问句。 如
6、:Where is my bike? 五六年级英语语法要点 2.行为动词的变化。行为动词的变化。 否定句:否定句:主语主语+ dont( doesnt ) +动词原形动词原形(+其它其它)。 如:如:I dont like bread. 当主语为第三人称单数时,要用当主语为第三人称单数时,要用doesnt构成否定句构成否定句。 如:如:He doesnt often play. 一般疑问句:一般疑问句:Do( Does ) +主语主语+动词原形动词原形+其它。其它。 如:如:- Do you often play football? - Yes, I do. / No, I dont. 当主语
7、为第三人称单数时,要用当主语为第三人称单数时,要用does构成一般疑问句。构成一般疑问句。 如:如:- Does she go to work by bike? Yes, she does. / No, she doesnt. 特殊疑问句:特殊疑问句:疑问词疑问词+一般疑问句。一般疑问句。 如:如:How does your father go to work? 五六年级英语语法要点 1一般情况下,直接加一般情况下,直接加-s, 如:如:cook-cooks, 2以以s. sh. ch. x. o结尾,加结尾,加-es, 如:如: guess-guesses, wash-washes, wat
8、ch-watches , go-goes 3以以“辅音字母辅音字母+y”结尾,变结尾,变y为为i, 再加再加-es, 如:如:study-studies 五六年级英语语法要点 五六年级英语语法要点 drink _ go _ stay _ make _ look _ have_ pass_ carry _ come_ watch_ plant_ fly _ study_ brush_ do_ teach_ drinksgoes staysmakes looks has passes carries comes watches plants fliesstudies brushes does te
9、aches 五六年级英语语法要点 用括号内动词的适当形式填空。 v1. He often _(have) dinner at home. v 2. Daniel and Tommy _(be) in Class One. v 3. We _(not watch) TV on Monday. v 4. Nick _(not go) to the zoo on Sunday. v 5. _ they _(like) the World Cup? v 6. What _they often _(do) on Saturdays? v 7. _ your parents _(read) newspap
10、ers every day? v 8. The girl _(teach) us English on Sundays. v 9. She and I _(take) a walk together every evening. v 10. There _(be) some water in the bottle. has are dont watch doesnt go Do like doto do Doread teaches take are 五六年级英语语法要点 11. Mike _(like) cooking. 12. They _(have) the same hobby. 13
11、. My aunt _(look) after her baby carefully. 14. You always _(do) your homework well. 15. I _(be) ill. Im staying in bed. 16. She _(go) to school from Monday to Friday. 17. Liu Tao _(do) not like P.E. 18. The child often _(watch) TV in the evening. 19. Su Hai and Su Yang _(have) eight lessons this te
12、rm. 20. What day _(be) it today? Its Saturday. likes have looks do does goes watches have is am 五六年级英语语法要点 v 1. Daniel watches TV every evening.(改为否定句改为否定句) v _ v 2. I do my homework every day.(改为一般疑问句,作否定回答改为一般疑问句,作否定回答) v _ v 3. She likes milk.(改为一般疑问句,作肯定回答改为一般疑问句,作肯定回答) v _ v 4. Amy likes playin
13、g computer games.(改为一般疑问句,作否定改为一般疑问句,作否定 回答回答) _ _ v5. We go to school every morning.(改为否定句改为否定句) v _ Does Amy like playing computer games? Daniel doesnt watch TV every evening. Do you do your homework every day? No,I dont. Does she like milk? Yes, she does. No,she doesnt. We dont go to school every
14、 morning. 五六年级英语语法要点 按照要求改写句子 v 6. He speaks English very well.(改为否定句) v _ v 7. I like taking photos in the park.(对划线部分提问) v _ v 8. John comes from Canada.(对划线部分提问) v _ v 9. She is always a good student.(改为一般疑问句,作否定回答) v _ v 10. Simon and Daniel like going skating.(改为否定句) v _ He doesnt speak English
15、 very well. What do you like to do in the park? Where does John come? Is she always a good student? No,she isnt. Simon and Daniel dont like going skating. 五六年级英语语法要点 改错改错 (划出错误的地方将正确的写在横线上) v 1. Is your brother speak English? _ v 2. Does he likes going fishing? _ v 3. He likes play games after class
16、. _ v 4. Mr. Wu teachs us English. _ v 5. She dont do her homework on Sundays. _ _ Does _ like _ likes to _ tesches _ doesnt 五六年级英语语法要点 1现在进行时表示现在现在进行时表示现在正在进行或发生的动作正在进行或发生的动作,也,也 可表示可表示当前一段时间内当前一段时间内的活动或的活动或现阶段正在进行的现阶段正在进行的 动作。动作。 2现在进行时的现在进行时的肯定句肯定句基本结构为基本结构为be+动词动词ing. 3现在进行时的现在进行时的否定句否定句在在be后加后加
17、not。 4现在进行时的现在进行时的一般疑问句一般疑问句把把be动词调到句首动词调到句首。 5现在进行时的现在进行时的特殊疑问句特殊疑问句的基本结构为:的基本结构为: 疑问词疑问词 + be + 主语主语 + 动词动词ing? 但疑问词当主语时其结构为:但疑问词当主语时其结构为: 疑问词疑问词 + be + 动词动词ing? 五六年级英语语法要点 动词加动词加inging的变化规则的变化规则 v 1一般情况下,一般情况下,直接加直接加ing,如:,如:cook- cooking v 2以不发音的以不发音的e结尾,结尾,去去e加加ing,如:,如: make-making, taste-tast
18、ing v 3如果末尾是一个元音字母和一个辅音如果末尾是一个元音字母和一个辅音 字母,字母,双写双写末尾的辅音字母,末尾的辅音字母,再加再加ing,如:,如: run-running, stop-stopping 五六年级英语语法要点 现在进行时专项练习现在进行时专项练习: v写出下列动词的现在分词:写出下列动词的现在分词: v play_ run_ v swim _ make_ v go_ like_ v write_ ski_ v read_ have_ v sing _ dance_ v put_ see_ v buy _ love_ v live_ take_ v come _ get
19、_ v stop_ sit _ v begin_ shop_ 五六年级英语语法要点 1.The boy _( draw)a picture now. 2. Listen .Some girls _( sing)in the classroom . 3. My mother _ ( cook )some nice food now. 4. What _ you _ ( do ) now? 5. Look . They _( have) an English lesson . 6.They _(not ,water) the flowers now. 7.Look! the girls _(dan
20、ce )in the classroom . 8.What is our granddaughter doing? She _(listen ) to music. 9. Its 5 oclock now. We _(have)supper now 10._Helen_(wash )clothes? Yes ,she is . are drawing are singing is cooking are doing are having arent watering are dancing is listening are having washingIs 五六年级英语语法要点 1. They
21、 are doing housework .(分别改成分别改成一般疑问句一般疑问句和和否定句否定句) _ _ 2The students are cleaning the classroom . ( 改一般疑问句改一般疑问句 并作肯定和否定回答并作肯定和否定回答) _ _ 3Im playing the football in the playground .(对划线部分进对划线部分进 行提问行提问) _ 4Tom is reading books in his study . (对划线部分进行提问对划线部分进行提问) _ Are they doing housework ? They are
22、nt doing housework . Are the students cleaning the classroom ? Yes,they are .No,they arent . What are you doing in the playground ? Where is Tom reading books? 五六年级英语语法要点 v表示将要发生的动作或存在的状态及打算、计划或 准备做某事。 v句中一般有以下: vtomorrow, next day (week, month, year), soon, the day after tomorrow(后天)等。 vbe going to
23、 + do; vwill+ do. 五六年级英语语法要点 在be动词(am, is, are)l后加not或情态动词will后 加not成wont。 例如:Im going to have a picnic this afternoon. Im not going to have a picnic this afternoon. be或will提到句首,some改为any, and改为or,第 一二人称互换。 例如:We are going to go on an outing this weekend. Are you going to go on an outing this weeken
24、d? 五六年级英语语法要点 一般情况,一般将来时的对划线部分有三种情况。 1. 问人。Who 例如:Im going to New York soon. Whos going to New York soon. 2. 问干什么。What do. 例如: My father is going to watch a race with me this afternoon. What is your father going to do with you this afternoon. 3. 问什么时候。When. 例如:Shes going to go to bed at nine. When i
25、s she going to go to bed? 五六年级英语语法要点 vI am going to go swimming tomorrow(明天). = I will go swimming tomorrow. v练习: 五六年级英语语法要点 v填空。 v v1. 我打算明天和朋友去野炊。 v I_ _ _ have a picnic with my friends. v I _ have a picnic with my friends. v v 2. 下个星期一你打算去干嘛? 我想去打篮球。 v What _ _ _ _ _ next Monday v I _ _ _ play ba
26、sketball. v What _you do next Monday? v I _ play basketball. v v3. 你妈妈这个周末去购物吗?是,她要去买一些水果。 v _ your mother _ _go shopping this _? v Yes, she _. She _ _ _buy some fruit v 4. 你们打算什么时候见面。 v What time _ you _ _ meet? 五六年级英语语法要点 改句子改句子: : v v 5. Nancy is going to go camping.(改否定) v Nancy _ going to go ca
27、mping. v 6. Ill go and join them.(改否定) v I _ go _ join them. v 7. Im going to get up at 6:30 tomorrow.(改一般疑问句) v _ _ _ to get up at 6:30 tomorrow? v 8. We will meet at the bus stop at 10:30.(改一般疑问句) v _ _ meet at the bus stop at 10:30. v 9. She is going to listen to music after school.(对划线部分提问) v _
28、_she _ _ _after school? v 10. My father and mother are going to see a play the day after tomorrow.(同上) v going to see a play the day after tomorrow. 五六年级英语语法要点 用所给词的适当形式填空 11. Today is a sunny day. We _ (have) a picnic this afternoon. 12. My brother _(go) to Shanghai next week. 13. Tom often _(go) t
29、o school on foot. But today is rain. He _ (go) to school by bike. 14. What do you usually do at weekends? I usually _ (watch) TV and _ (catch) insects? 15. Its Friday today. What _she _ (do) this weekend? She _ (watch) TV and _ (catch) insects. 五六年级英语语法要点 16. What _ (d0) you do last Sunday? I _ (pic
30、k) apples on a farm. What _ (do) next Sunday? I _ (milk) cows. 17. Mary _(visit) her grandparents tomorrow. 18. Liu Tao _ (fly) kites in the playground yesterday. 19. David _ (give) a puppet show next Monday. 20. I _(plan) for my study now 五六年级英语语法要点 形容词的比较级 v1、形容词比较级在句子中的运用:两个事物或人的比较用 比较级,比较级后面一般带有
31、单词than。比较级前面可以用 more, a little 来修饰表示程度。than后的人称代词用主格 (口语中可用宾格)。 v 2形容词加er的规则: v 一般在词尾加er ; v 以字母e 结尾,加r ; v 以一个元音字母和一个辅音字母结尾,应双写末尾的辅 音字母,再加er ; v 以“辅音字母+y”结尾,先把y变i,再加er 。 v 3不规则形容词比较级: v good-better, beautiful-more beautiful 五六年级英语语法要点 副词的比较级 v 1形容词与副词的区别 (有be用形,有形用be; 有动用副,有副用动) v 在句子中形容词一般处于名词之前或b
32、e动词之 后 v 副词在句子中最常见的是处于实义动词之后 v 2副词比较级的变化规则基本与形容词比较级 相同 (不规则变化:well-better, far-farther) v三、练习 五六年级英语语法要点 写出下列形容词或副词的比较级 old_ young_ tall_ long_ short_ strong_ big_ small_ fat_ thin_ heavy_ light_ nice_ good_ beautiful _ low_ high_ slow_ fast_ late_ early_ far_ well_ 五六年级英语语法要点 根据句意填入单词的正确形式: v 1. My
33、 brother is two years _(old)than me. v 2. Tom is as _(fat) as Jim. v 3. Is your sister _(young) than you? Yes,she is. v 4. Who is _(thin),you or Helen? Helen is. v 5. Whose pencil-box is _(big),yours or hers? Hers is. v 6. Marys hair is as _(long) as Lucys. v 7.Ben _ (jump) _ (high) than some of the
34、 boys in his class. 五六年级英语语法要点 根据句意填入单词的正确形式: v 8._ Nancy sing _ (well) than Helen? Yes, she _. v 9.Fangfang is not as _ (tall) as the other girls. v 10.My eyes are _(big) than _ (she). v 11.Which is _(heavy),the elephant or the pig? v 12.Who gets up _(early),Tim or Tom? v 13._the girls get up_(earl
35、y) than the boys?No,they_. v 14. Jim runs _(slow). But Ben runs _(slow). v 15.The child doesnt_(write) as _(fast) as the students. 五六年级英语语法要点 翻译句子: v1、谁比Jim年纪大?是你。 v _ is _than Jim? _ are v 2、谁比David更强壮?是Gao Shan. v _ _ than David? Gao Shan _. v 3、谁的铅笔更长,他的还是她的?我想是她的。 v _ pencil is _,_or_? _is,I thi
36、nk. v 4、谁的苹果更重,你的姐姐的还是你的弟弟的? 我的弟弟 的。 v _ apples _ _,your _ or your _? v My _ _. v 5、你和你的叔叔一样高吗?是的。 v_ _as _as your uncle?Yes,I am. 五六年级英语语法要点 6、他和他的朋友Jim一样年轻。 He _ as _ as _ _ Jim. 7、她和她的双胞胎哥哥一样胖吗?不,她比他瘦。 _ _ as _ as_ twin _? No, _ _ than him. 8.Yang Ling每天睡得比SuYang晚。 Yang Ling _ to _ _ than Su Yang
37、 every day. 9.我跳得和Mike一样远。 I _ as _ as Mike. 10.Tom比你跑得快吗?不是的,他和我跑得一样快。 _ Tom _ _ than you?No,he _. He_ as_ as_. 五六年级英语语法要点 11.多做运动,你会更强壮。多做运动,你会更强壮。 _ more exercise,youll _ _ soon. 12.我的科学很好,但是语文不好。我的科学很好,但是语文不好。 I _ _ at Science.But I dont _ well in Chinese. 13. 你放风筝比王兵放得高吗?不,我比他放得低。你放风筝比王兵放得高吗?不,
38、我比他放得低。 _you_the kite_than Wang bing?No,I_it _than_. 14.我喜欢游泳。我所有的朋友都游得比我慢。我喜欢游泳。我所有的朋友都游得比我慢。 I like_.All my_ _ _than me. 15.我的姐姐起得比我早。我的姐姐起得比我早。 My_ _ up _than me. 五六年级英语语法要点 16.女孩比男孩唱得好吗?是的。 _the girls_ _ _the boys? Yes,they _. 17.她不擅长体育。但我跳得没有她高。 She doesnt _ _ in PE. But I dont _ _than_. 18.你足球
39、踢得比你的同班同学好吗?不,他们踢得和我 一样好。 _ you _football _than your classmates?No,they_as_as me. 19我母亲比我父亲年纪小。 My_ _ _than my _. 20.她的毛衣和我的一样重。 _sweater_ as_as_. 21.我的连衣裙太短了。我想买一条大点的。 My dress_ too_. I want to _a_one. 22. Im taller than Mike .(该成用原级的比较) Im _ as _ as Mike . 五六年级英语语法要点 There be 句型与句型与have, has的区别的区别
40、 v 1、There be 句型表示:在某地有某物(或人) v 2、在there be 句型中,主语是单数,be 动词用 is ; 主语是复数,be 动词用are ; 如有几件物品,be 动词根据最*近be 动词的那个名词决定。 v 3、there be 句型的否定句在be 动词后加not , 一 般疑问句把be 动词调到句首。 v 4、there be句型与句型与have(has) 的区别:的区别:there be 表示在某地有某物(或人);表示在某地有某物(或人);have(has) 表示某人表示某人 拥有某物。拥有某物。 五六年级英语语法要点 5、some 和any 在there be
41、句型中的运用:some 用于 肯定句, any 用于否定句或疑问句。 6、and 和or 在there be句型中的运用:and 用于肯定 句, or 用于否定句或疑问句。 7、针对数量提问的特殊疑问句的基本结构是: How many + 名词复数 + are there + 介词短语? How much + 不可数名词 + is there + 介词短语? 8、针对主语提问的特殊疑问句的基本结构是: Whats + 介词短语? 五六年级英语语法要点 Fill in the blank with “have,has”or “there is , there are” v 1. I_a good
42、 father and a good mother. v 2. _a telescope on the desk. v 3. He_a tape-recorder. v 4. _a basketball in the playground. v 5. She_some dresses. v 6. They_a nice garden. v 7. What do you_? v 8. _a reading-room in the building? v 9. What does Mike_? v 10. _any books in the bookcase? 五六年级英语语法要点 v 11. M
43、y father_a story-book. v 12. _a story-book on the table. v 13. _any flowers in the vase? v 14. How many students_in the classroom? v15. My parents_some nice pictures. v 16. _some maps on the wall. v 17. _a map of the world on the wall. v 18. David_a telescope. v 19. Davids friends_some tents. v 20.
44、_many children on the hill. 五六年级英语语法要点 用恰当的be动词填空 v 1、There_a lot of sweets in the box. v 2、There _some milk in the glass. v 3、There_ some people under the the big tree. v 4、There _a picture and a map on the wall. v 5、There _a box of rubbers near the books. v 6、There _lots of flowers in our garden l
45、ast year. v 7、There _a tin of chicken behind the fridge yesterday. v 8、There_ four cups of coffee on the table. 五六年级英语语法要点 Fill in the blank with “ have, has ” v1. I_ a nice puppet. v 2. He_a good friend. v 3. They_ some masks. v 4. We_some flowers. v 5. She_ a duck. v 6. My father_ a new bike. v 7.
46、 Her mother_a vase. v 8. Our teacher_ an English book. v 9. Our teachers_a basketball. v 10. Their parents_some blankets 五六年级英语语法要点 v 11. Nancy_many skirts. v 12. David_some jackets. v 13. My friends_a football. v 14. What do you_? v 15. What does Mike_? v 16. What do your friends_? v 17. What does
47、Helen_? v 18. His brother_a basketball. v 19. Her sister_a nice doll. v 20. Miss Li_an English book. 五六年级英语语法要点 人称代词和物主代词 v 1、人称代词主格和宾格的区别:主格通常 位于句中第一个动词之前(有时候位于than 之后),宾格一般位于动词或介词之后。 v 2、物主代词形容词性与名词性的区别:形 容词性用时后面一般要带上名词,名词性则 单独使用,后面不带名词。 五六年级英语语法要点 人称代词 物主代词 中文中文 主格主格 宾格宾格 中文中文 形容词性形容词性 名词性名词性 我我
48、I me我的我的 mymine 你,你们你,你们youyou你的,你们的你的,你们的youryours 他他hehim他的他的hishis 她她sheher她的她的herhers 它它itit它的它的itsits 我们我们weus我们的我们的ourours 他他(她、它)们她、它)们theythem他他(她、它)们的她、它)们的theirtheirs 五六年级英语语法要点 填写代词表填写代词表 主格主格 Iitwe 宾格宾格 you (形容词性)(形容词性) 所有格所有格 yourhisitstheir (名词性)(名词性) 所有格所有格 minehersours yours 五六年级英语语法
49、要点 用所给词的适当形式填空 1. That is not _ kite. That kite is very small, but _is very big. ( I ) 2. The dress is _. Give it to _. ( she ) 3. Is this _ watch? (you) No, its not _ . ( I ) 4. _is my brother. _ name is Jack. Look! Those stamps are _. ( he ) 5. _ dresses are red. (we) What colour are _? ( you ) 6.
50、 Here are many dolls, which one is _ ? ( she ) 7. I can find my toy, but wheres _? ( you ) 8. Show _ your kite, OK? (they) 9. I have a beautiful cat. _name is Mimi. These cakes are _. ( it ) 10. Are these _ tickets? No, _ are not _. _ arent here. ( they ) 五六年级英语语法要点 11. Shall _ have a look at that classroom? That is _ classroom. (
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 卒中专科护士培训
- 内蒙古包头市昆都仑区友谊大街二十小2024-2025学年六年级上学期月考数学试卷
- 2025蛇年新年工作总结金蛇送福模板
- 期中试题2022-2023学年冀教版(三起)英语五年级上册(无答案)
- 广东省揭阳市惠来县第一中学2024-2025学年高一上学期第一次阶段考试物理试题(含答案)
- T-TSSP 043-2023 花椒麻素快速检测方法
- 【课件】Unit4+Grammar+Focus-3a-3d课件人教版英语七年级上册
- 语法专项之非谓语动词,分词
- 八情感性精神障碍分解
- Windows Server网络管理项目教程(Windows Server 2022)(微课版)2.6 任务2 客户端加入活动目录
- 人教版2024七年级上册英语各单元单词短语句型汇编
- 2024年人教版九年级英语单词默写单(微调版)
- 22G101三维彩色立体图集
- 2024届高考专题复习:思辨类作文专题复习
- 人教版小学英语单词表(完整版)
- (高清版)JTGT 3374-2020 公路瓦斯隧道设计与施工技术规范
- 国家开放大学《心理健康教育》形考任务1-9参考答案
- 黑龙江省哈尔滨第三中学校2023-2024学年高一上学期入学调研测试英语试题
- 【川教版】《生命 生态 安全》四上第11课《预防流感》课件
- 单元 5-入侵报警系统工程的施工安装
- 路肩墙专项施工方案(完整版)
评论
0/150
提交评论