高三英语上学期unit-12-revision
高三英语上学期Unit Five
II Lead-in
1 what product do they persuade you to buy? 2 what information about product can you get? 3 How is the information conveyed? 4 What are the skills of making good ads?
Translation
differs from 1 British English _______________(不同于) American English attach importance to 2 Do you ___________________________(重视) what he said? 3 He studies hard with the purpose of going ____________________ (为了上大学) to college. makes no sense 4 What you say __________________(没有意义)
I Fill in the blanks for the revision Advertising isБайду номын сангаасa highly developed _____________ industry. It has hand in hand gone ______________ with radio, television and other media. react People ______ to ads in different ways. Some think ads are useful and help consumers make _________ choices. informed _______ while others _______ accuse of companies ______ using ads to mislead us. Companies can influence customers’ choices by brand by associating introducing a ______ name and _________ with products _______ customers’ needs. There are so many ads for customers that advertisers must get across appealing to try to _____ their message _______ by ___________ their emotions.
高三英语参考教案Unit12Mainlyrevision_高中英语_
高三英语参考教案 Unit 12 Mainly revision
一、教学目标与要求
通过本单元教学,学生应能熟练地运用“如何表达自己的看法和征求对方意见”的常用语;能用80~100个词概述“冬眠”;并学习一些相关介词的用法。
二、教学重点与难点
1.重点词汇
keep up, more than, lie in, large quantities of
2.重点句型
1)Then it has no choice but to lie down and sleep.
2)The second is connected with the main use the body makes of food ---- to supply the energy for movement.
3.语法总结介词的用法: for, at, in, on, through, 等。
4.日常交际用语(提建议 Making suggestions)
1)You'd better(not)…2)You should/ought to…3)You need(to)…/You could… 4)I suggest you… 5)Shall we…?/Let's…
三、难点讲解
1.They lead an active life which keeps up their nomal body temperature even in very cold winter weather.
keep up保持,继续,持续。例如:
1)The rain kept up for two days and the roads were flooded.雨持续了两天,路都被水淹了。
Unit 1 Revision 单元复习课件-高中英语人教版(2019)必修第一册
adj. suitable, confusing, confused, fluent, advanced, extra-curricular, extra, responsible, addicted,
adv. actually, obviously, phrases prefer…to do, clean up, suitable for, sign up, be responsible for, be attracted
to, focus on, addicted to Sentence 特殊疑问词+do you think+陈述句,How to do, patterns 名词短语, 副词短语, 形容词短语
单词归纳拓展
1. teenage adj. 十几岁的(指13-19岁);青少年的
teenager n.(13至19岁之间的)青少年
2. volunteer n. 志愿者 vt. & vi.自愿去做
用法:volunteer to do sth. 志愿做某事
volunteer for... 自愿为…服务
behind schedule (比预定时间)落后 on schedule/time 按时间表,准时 be scheduled for+时间 安排在某个时间 be scheduled to do sth. 预定做某事 20.practise vt.&vi. 练习,训练;经常做;从事 用法:practise doing sth. 练习做某事 practice as… 从事……(职业) 拓展:practice n. 实践; 惯例;习惯;训练;练习;风俗;惯常做的事 in practice 实际上,事实上 put …into practice把……付诸实践 practiced adj. 熟练的,老练的 practical adj. 实际的,真实的;切实可行的
高三unit6Mainlyrevision重点词语
高三unit 6 Mainly revision重点词语
单元目标要求
1.重点词汇、短语、句型结构
1)waste(v . , n. ), pipe(v. , n. ), escape, unsold
2)throw away , break up, break down, depend on, at the bottom of, at one time, make laws, be active in, make an effort, do a drawing
3)No matter how(what, who…)…(让步状语从句)
It will be years before +从句.
2.课文掌握程度
1)复习Until-5重点难点。
2)能复述阅读课文。
3.重点语法
1)Revision of Tenses
2)Word Formation
3)Revision of Past Participle, the V- ing Form and Noun Claues.
4.口语交际
Likes and dislikes
5.写作要求
Rewrite the story in different persons.
常用句型结构
1.It looks as if/as though +clause结构中look是连系动词,意为看起来,似乎,后面的从句中谓语多用直陈语气,有时也可用虚拟语气。如:
①It looks as if they are all in a terrible hurry. 看上去他们极为匆忙。
高中英语复习北师大版《Unit 11 Revision》
10.G20 successfully held in Hangzhou last month.
was/were done 一般过
was
去时被动语态
11.People believe that the problems in Africa be solved soon. will
be used to doing 习惯于做某事
被动语态:be remembered as
8.Qian Sanqiang is remember as a great scientist in China. remembered
9.This story has told many times, but people still like to listen to it.
主动语态和被动语态混用 be done
A trolleybus crashed into a truck. The
accident took place in Kingston, the town a
southwest of London. Because the fog, a 60-
of years-old truck driver parked his truck in the way
辑/平行一 比较级和最高级的
Unit2 Revision 课件-高中英语人教版(2019)必修第二册
Love Science”.
5. This mass _e_x_t_in__c_ti_o_n___(灭绝) is caused by hunting, habitat loss and pollution.
6. Museum rules should be strictly_o_b_s_e_r_v_e_d____ ( 遵守) and children should not be
Unit 2
Wildlife Protection 复习
读后续写每天背诵 1 A sudden wave of joy swept over her. 一阵喜悦涌上她的心头。 2 Seeing such extraordinary beauty, I think every cell in my body woke up. 看到如此美丽的景色,我想我身体里的每一个细胞都苏醒了。 3 To he great joy, she also saw some berry bushes.Never in her life had she tasted anything better. 令他非常高兴的是,她还看到了一些浆果丛。她一生中从未吃过比这个更美 味的东西。 4 He was always in a good mood and always had something positive to say. 他的心情总是很好,总是有一些积极乐观的话说。
高三英语上册Unit11Agreatinventor第四十二课
Lesson 42
Step 1 Revision
1 Revise the meaning of the word invention. See if the Ss can remember all the inventions that you discussed in the last lesson.
2 Play the guessing game: one student describes an invention and the rest of the class try to guess What it is.
Step 2 Presentation
SB page 42. Tell the Ss Look at the picture. What can you see? Do you know who this boy is? Yes, Edison. His full name was Thomas Edison. (Tom is the short for Thomas.) He was born in 1847 and died in 1931.He was a great inventor.
Then say Today we're going to read a story about this great inventor. Can you guess what an inventor is? Yes, an inventor is someone who makes new inventions.
高三英语 Unit12 Education教案 大纲人教版
Unit12 Education I.单元教学目标
II.目标语言
III.教材分析与教材重组
1. 教材分析
本单元以education为话题,旨在通过单元教学,使学生了解我国和其他国家的教育情况以及学习方法和策略,并学会进行比较和写文章。
1. 1 WARMING UP 提供了四幅有关educators的图片:Confucius(孔子),Anton Makarenko(安东·马卡连科), Anne Sullivan and Helen Keller(安·萨利文和海伦·凯勒),Tao Xingzhi(陶行知)。课前布置学生搜集这四位教育家的信息(主要包括time, country, way of teaching),并找出一句自己喜欢的教育名言。
1. 2 LISTENING是关于中美两国教育比较。其中涉及class size, method of teaching/teaching style, homework以及 exams等方面的信息。要求学生们不仅要听懂,而且要根据表格(P101)纪录下主要数据信息。
1. 3 SPEAKING 描述P102页的两个图表,并根据其中的问题进行讨论,阐述自己的观点。
1. 4 PRE-READING是READING的热身活动。要求学生结合SPEAKING所讨论内容,对照自己学校的情况,引导学生对课文的兴趣,以便他们进一步明确自己的观点。
1. 5 READING是essay。其中介绍了中国以及全球教育所面临的问题和解决方案。
1. 6 POST-READING共四个题。第一题Choose the best heading for each paragraph,其目的在于培养、训练学生的概括能力;第二题要求学生注意文中的细节信息,训练学生把握细节的能力;第三题要求找出distance learning, mixed-grade classes, money from international organizations和money from local organizations等methods 所对应的国家;第四题要求学生根据课文内容,结合现实形成自己的观点,从自己的周围找问题,并努力解决问题,其目的在于:培养学生的综合分析信息,发现问题、解决问题的能力。
人教版高三英语第十二单元课件,integrating skills
Check Please complete the following sentences in the box, using their proper forms.
Have……in common evidence demonstrate find concentrate
Check
1. He finds it neBiblioteka Baiduessary to do some reading in the morning.
Part4(Para6) By adapting their study methods to their learning styles, students can become more effective learners.
高高三英语 Unit 11-15重难点详解
高2009届高三英语 Unit 11--15重难点详解
Unit 11 The Merchant of Venice
1.主语 + is always ready to do sth. ......总是乐于......;易于......,动辄......
The little girl is always ready to cry. 这小女孩动不动就哭。
2.trade with 与......做生意
We have been trading with their company in silk these years. 这些年来我们一直与他们公司做丝绸生意。
3.be in love with 爱上;相爱
They have been in love with each other for many years. 他们相爱已多年了。
4.The reason for... was that... ......的原因是......
reason作主语时,表语从句由that引导,而不用because。此处for作"因为、由于"解,其后跟名词、代词、动名词或从句作宾语。例如:
The reason for his being late is that he got up late. 他迟到的原因是他起床晚了。
5.scold sb. for 因......责备某人;因......训斥某人
Dad scolded me for coming home late. 父亲责备我回家晚了。
6.greedy 贪婪的
The greedy little boy ate all the food at the party. 那个贪吃的小男孩把宴会上所有的事物都吃光了。
高中英语教材各种版本及单元标题
涉及语法点
Unit Unit Unit Unit Unit Unit Unit Unit Unit Unit
1 2 3 4 5 1 2 3 4 5
新课标人教版高二上模块5、6 Unit 1 Great Scientists Unit 2 The United Kingdom Unit 3 Life in the future
涉及语法点
模块11 模块11 模块11 模块11
unit unit unit unit
1 2 3 4
careers and skills getting a job the secret of success the next step
北师大版
模块1 模块1 模块1 模块2 模块2 模块2 Unit Unit Unit Unit Unit Unit 1 2 3 4 5 6 北师大版高一上学期 Lifestyles Heroes Celebration Cyberspace Rhythm Design 涉及语法点
涉及语法点
涉及语法点
模块5 模块5 模块5 模块5 模块6 模块6 模块6 模块6
涉及语法点
Unit 4 Making the news Unit 5 First Aid
外研版
Module Module Module Module Module Module Module 1 2 3 4 5 6 7 必修1 My First Day at Senior High My New Teachers My First Ride on a Train A Social Survey -- My Neighbourhood A Lesson in a Lab The Internet and Telecommunications Revision 必修2 Our Body and Healthy Habits No Drugs Music Fine Arts – Western, Chinese and Pop Arts Newspapers Films and TV Programmes Revision 必修3 Module Module Module Module Module Module Module 1 2 3 4 5 6 7 Europe Developing and Developed Countries The Violence of Nature Sandstorms in Asia Great people and Great Invention Old and New Revision 必修4 Life in the future Traffic Jam Body Language and Non-Verbal Communication Great Scientists A Trip Along the Three Gorges Unexplained Mysteries of the Nature World Revision 必修5 British and American English A Job Worth Doing Adventure in Literature and the Cinema Carnival The Great Sports Personality Animals in Danger 涉及语法点 涉及语法点
2021年小学英语科普版三年级上册《Lesson 12 Revision第二课时》PPT课件
thank you !
homew源自文库rk
句子翻译。 I can’t find my baby chick. ___________________ Is it big? _____________________ Is it your baby chick? _________________________ No, it isn’t/ it’s not. ______________________ Yes, it is. ____________________________
homework
根据课文内容,选择正确答案。
( )(1)Mrs Hen can’t find her _____.
A. little dog B. baby chick C. fish
( )(2)--What colour is it? --It’s ______.
A. big B. fat
C. yellow
科普版小学英语三年级上册
Unit 12 Revision
第2课时
review
What’s in the box? It’s ……. It’s for you. What colour is it? It’s …… How are you? I’m fine, thank you, and you? I’m fine, too. How do you do? How do you do?
人教版高中英语目录
人教版高中英语目录
篇一:高中英语人教版目录
高中英语人教版高一上册
Unit 1 The summer holidays
Unit 2 In the lab
Unit 3 American English
Unit 4 Travel
Unit 5 Why do you do that?
Unit 6 A new factory
Unit 7 Earthquakes
Unit 8 Mainly revision
Unit 9 Computers
Unit 10 Sports
Unit 11 Country music
Unit 12 English programmes
Unit 13 Abraham Lincoln
Unit 14 Mainly revision
Unit 15 Healthy eating
Unit 16 Fire!
Unit 18 The necklace
Unit 19 Jobs
Unit 20 Mainly revision
Unit 21 Karl Marx
Unit 22 Britain and Ireland
Unit 23 Rescuing the temple
Unit 24 The science of farming Unit 25 At the conference Unit 26 Mainly revision
Unit 1 Disneyland
Unit 2 No smoking,please!
Unit 3 Body language
Unit 4 Newspapers
Unit 5 Charlie Chaplin
高三英语教案 Mainly Revision
高三英语教案Mainly Revision
高三英语教案Mainly Revision
教学目标
一、熟练读写能够运用下面的词汇:
flat, silly, downtown, tail, standard, postman, mailbox, sex, high; department store, keep up, show off, high-rise block
二、学会运用及掌握如下句型:
1.1 suggest(ed) you (should) do. . .
2. Its much +比较级+ to do. . . than to do. . .
3. This helps to keep the cold out.
4. Its a different matter for sth.
5. Hibernation is more than sleep.
6. The squirrel was usually described as a good animal.
高三英语unit-9-revision
Baidu Nhomakorabea
小狐狸被老师惩罚了,他中午只能吃米饭和青菜,不能吃鸡腿。但他趁小象嘟嘟不小心,抢了嘟嘟的鸡腿就跑,边跑边吃。幸好,门卫爷爷拦住了他。“小狐狸,把鸡腿还给小象!”老师批评小狐 狸。小狐狸生气地把吃剩的半个鸡腿扔到地上说:“还给你!”我停住,问天天:“如果是你,会捡吗?”天天说:“我会捡。”我笑着说:“不行,那太脏了。”天天乖巧地说:“那我不捡了。”我 接着讲,小象嘟赌赶紧跑过去捡起来吃,嘴里嘟囔着:“还有肉,还有肉。”天天在那边听得哈哈大笑。我又重复了一遍:“还有肉,还有肉。”小家伙在那头笑得更欢了:“爸爸,你别说了,肚子都 笑疼了。”我听他的,继续讲:“小象吃了沾了小狐狸口水和地上灰尘的脏鸡腿,肚子疼了起来,天天赶紧打119,送他去了医院。”天天在那头大声纠正着:“是120!119是消防车。”
六、故事里的
跟叶子讲电话,那都是要排在给天天讲故事后面的。每次都是叶子打过来,我挂掉打回去,然后天天在那头接起:“爸爸,这次就讲一个故事。”接着,他会告诉我故事大概:“小狐狸上课打瞌睡, 被老师批评了,都怪他晚上不好好睡觉。”我赶紧领旨,开始杜撰。那是一堂体育课,两个老师摇着绳子,小朋友们挨个跳绳。小花妹妹因为三岁就开始练习,跳了十个;天天学得晚,跳了三个。小象 嘟嘟太胖了,只跳了一个。小狐狸笑话他说:“大笨象,真笨。”天天说:“不许嘲笑同学,嘟嘟虽然跳绳不好,但是他拔河和举重都是第一名啊!”每个小朋友都有长处和短处,这点天天早就知道。轮 到小狐狸了,他打着哈欠过去,都没注意绳子,然后被绳子打到了头。“哎呦!”小狐狸哭着喊道:“老师打我!”讲道这里,我问天天:“是老师错了吗?”他在电话那头肯定地回答我说:“不对, 是小狐狸自己不小心!”w66利来官网 www.rikxaa.cn
人教版高三复习:高一教材双单元知识点复习unit11-12
人教版高三复习:高一教材双单元知识点复习unit11-12
Unit 11 The Sound of The World
Teaching aims: Vocabulary revision
Grammar revision
Teaching main-points: Vocabulary and grammar revision in the process of the integration between the teacher and the ss Teaching Crux: 1) SS’ explanation about the vocabulary and grammar
2) Teacher’s further explanation and supplement
Teaching materials & focuses:
1. Practice. vi/vt 实践;练习 practise doing sth 练习做某事
practice n. 练习;实践 eg. Practice makes perfect.(熟能生巧)put …into practice 付诸实践;
practical a. 实际的;实用的
practiced a. 熟练的;精通的
2. What do you have in mind?你心里在想什么?
have sth./sb,in mind意为心中想着(某人/某事)’含mind的短语有:chang one’s mind“改变主意”;be in one’s mind有……的想法、想念”;have/there is sth on one’s mind 有……心事”;keep in mind记住:make up one’s mind“打定主意.read one’s mind“看出……的心事,知道……在想什么”;。out of sight,out of mind “眼不见为净”等.
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
[单选,A1型题]有尿意即迫不及待地要排尿且难以自控,是()A.尿失禁B.尿潴留C.尿频D.尿急E.尿痛 [问答题,简答题]货运检查主要内容有那些? [单选]关于截瘫患者步态描述正确的是()A.摆动相增加伸髋克服地面廓清障碍B.损伤平面在L以下,有可能独立步行C.足落地时常用膝过屈姿势D.支撑相常增加髋过屈E.L以上损伤平面的步态变化不大 [单选]仪表专业中,以下字母表示流量的是()。A、FB、EC、PD、S [单选]下列关于制定股利分配政策应考虑因素的表述中,错误的是()。A、按照资本保全的限制,股本和资本公积都不能发放股利B、按照企业积累的限制,法定公积金达到注册资本的50%时可以不再提取C、按照净利润的限制,五年内的亏损必须足额弥补,有剩余净利润才可以发放股利D、按照无 [单选,A2型题,A1/A2型题]不需酶催化反应即可发光的发光底物是()A.吖啶酯B.三联吡啶钌C.鲁米诺或其衍生物D.4-MUPE.AMPPD [名词解释]临床药理学 [单选]齿状突顶端超过腭枕线多少,可诊断为颅底凹陷症()A.2mmB.2.5mmC.3mmD.4mmE.5mm [单选,A2型题,A1/A2型题]治疗阿司匹林鼻炎、鼻旁窦炎的主要方法是()。A.应用抗组胺药B.糖皮质激素疗法C.手术治疗D.免疫疗法E.应用肥大细胞膜稳定剂 [单选]《2007版标准文件》建立了合同当事人逾期索赔失权的制度,及承包人未能在知道或应当知道索赔事件发生()天内向对方提出索赔意向通知书的,则丧失要求追加付款和延长工期的权利。A.7B.14C.21D.28 [单选]高压配电线路作业,如两端所挂接地线相距()公里时,应在其间加挂一组地线。A、2B、1.5C、1 [单选]根据柴油机的基本工作原理,下列哪一种定义最准确()。A.柴油机是一种往复式内燃机B.柴油机是一种在气缸中进行二次能量转换的内燃机C.柴油机是一种压缩发火的往复式内燃机D.柴油机是和种压缩发火的回转式内燃机 [单选]某企业为增值税一般纳税人,2011年1月15日通过银行划账上缴2010年12月应纳增值税额12000元,则正确的会计处理为()。A:借:以前年度损益调整12000贷:银行存款12000B:借:应交税费—应交增值税(转出未交增值税)12000贷:银行存款12000C:借:以前年度损益调整120 [单选,A1型题]某眼屈光度为-3.00D,在完全矫正屈光不正后,其近点距离为5cm,则其调节幅度为()。A.20DB.23DC.17DD.8DE.5D [单选]可行性研究中一般应该以()结论作为项目或方案取舍的主要依据。A.技术分析B.工艺分析C.财务评价D.国民经济评价 [单选]辑合女西装前片里布的胸省、腋下省并烫向()。A.摆缝B.前C.随意D.A、B、C都对 [单选]装载作业的时间约占掘进循环总时间的()。A.20%~30%B.30%~40%C.40%~50%D.50%~60% [问答题,案例分析题]男性,33岁。主诉:发热伴颈部淋巴结无痛性肿大10天就诊。 [单选]出境、入境的人员,必须遵守。()A.中华人民共和国的法律、行政法规B.中华人民共和国行政法规C.以上都是D.以上都不是 [单选]图示圆弧曲梁MK(内侧受拉为正)影响线在C点的竖标为:()A.0B.4mC.(8-4×1.732)mD.4×(1-1.732)m [问答题]可以办理公务卡附属卡吗? [单选,A2型题,A1/A2型题]当归芍药散的功效是()。A.调理冲任,养血安胎B.疏肝解郁,活血止痛C.调肝和血,健脾利湿D.理气解郁,和血止痛E.补益脾气,散寒除湿 [单选]判断成人发育正常的指标,不正确的是()A.头长为身高的1/5~1/6B.胸围等于身高的一半C.两上肢展开的长度约等于身高D.坐高等于下肢的长度E.前臂曲侧或上臂背侧下1/3处脂肪分布差异最小 [单选]FMGS的组件包括:()A、2FMGS2MCDU2FAC2FCUB、2FMGS2MCDU2FAC1FCUC、2FMGS2MCDU2FAC2ECAMD、2FMGS2MCDU1FAC2ECAM [单选,A2型题,A1/A2型题]小儿出生时血红蛋白量正常约为()A.90~110g/LB.110~130g/LC.130~150g/LD.150~220g/LE.230~260g/L [问答题,简答题]灭鼠 [单选,A1型题]临床证见动物发热,四肢倦怠,草料迟西,尿短赤和苔黄腻,此乃为常见暑证之中的()A.伤暑证B.中暑证C.暑热证D.暑寒证E.暑湿证 [单选,A2型题,A1/A2型题]下面不属于病史主诉的为()A.治疗过程B.症状C.病程D.停经天数E.腹痛天数 [单选]下列因素中,提示类风湿关节炎预后较差的是()。A.病程长B.HLA-DR3阳性C.抗核抗体阳性D.类风湿因子持续低滴度阳性E.多发类风湿结节 [问答题,简答题]一个优秀的销售人员应具备的知识有哪些? [单选]以下决策问题中,结构化程度最高的是()。A、工资计算B、库存控制C、厂址选择D、长期预报 [单选]新中国第一家面向外国来华旅客开展国际旅游业务的旅行社是()A、中国康辉旅行社B、中国青年旅行社C、中国旅行社D、中国国际旅行社 [单选,A2型题,A1/A2型题]下列小儿急性肠套叠的治疗原则中,正确的是()A.小儿急性肠套叠一经确诊应立即手术B.已有腹膜炎症状的患儿也可使用空气或钡剂灌肠C.术后复发性肠套叠以小肠套叠为主,应尽快手术D.伴发高热、休克患者应采取保守治疗E.空气灌肠时最高压力可到300mmHg [问答题,简答题]减速器常见故障有哪些? [多选]先天性长Q-T综合征的长期治疗包括()A.β-受体阻滞剂B.左心交感神经切除术(LCSD.C.心脏起搏和ICDD.奎尼丁E.镁盐 [单选]下列关于冠状动脉瘤的CT表现哪项是正确的()A.多层螺旋CT不能显示动脉瘤全貌B.CT横断面图像不利于观察动脉瘤壁C.多见附壁血栓D.动脉瘤壁无钙化E.CT横断面图像不利于观察动脉瘤壁局限性或弥漫性扩张,形态为囊状、梭形或不规则形 [单选,A4型题,A3/A4型题]男,10岁。发热、头痛呕吐3天,嗜睡半天,于7月10日入院。体检:T40℃,神志不清,皮肤未见出血点,颈抵抗(+),双侧Babinski征(+)。血WBC12.4×109/L,中性粒细胞70%,淋巴30%。腰椎穿刺脑脊液检查:压力220mmH2O,WBC570×106/L,单核66 [单选]《中华人民共和国担保法》自何时起实施?()A、1995年6月30日B、1995年10月1日C、1996年6月30日D、1996年10月1日 [单选]王某被人民法院以盗窃罪判处有期徒刑3年,并已执行完毕,2年后经再审改判为无罪。王某对此应向谁请求国家赔偿()A.作出逮捕决定的机关和作出一审判决的人民法院B.作出逮捕决定的机关和作出原生效判决的人民法院C.作出原生效判决的人民法院D.作出再审判决的人民法院 [单选]补偿能力大,流体阻力和变形应力小,特别使用于远距离输送热能的热力管道的补偿,且可防止因地基不均匀沉降或震动而产生的管道破坏,此补偿器为()。A.波形补偿器B.球形补偿器C.方形补偿器D.填料式补偿器
Baidu Nhomakorabea