3#楼排烟气道技术交底

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ⅲ与3的用法

ⅲ与3的用法
在数学中，罗马数字Ⅲ和阿拉伯数字3具有相似的意义，都表示计数或顺序。

但是，罗马数字Ⅲ通常用于较大的数字，特别是在罗马时代，而阿拉伯数字3则更为通用。

此外，罗马数字Ⅲ还有特定的数学符号意义，例如表示三角形。

- 阿拉伯数字3的用法：
阿拉伯数字3是一个基本的计数和顺序符号，可以用于表示数量、次序或顺序等。

例如，表示数量时可以表示三本书、三个苹果等；表示次序或顺序时可以表示第三名、第三个进球等。

在数学中，3通常用于表示一些基本的数学概念或运算，如三次方根、三角函数等。

- 罗马数字Ⅲ的用法：
罗马数字Ⅲ主要用于较大的计数或顺序，特别是在罗马时代。

例如，罗马帝国的年份和历史事件通常使用罗马数字来标记。

此外，罗马数字Ⅲ也可以用于表示三角形的数学符号，例如直角三角形、等边三角形等。

在科学和工程领域，罗马数字Ⅲ也用于表示一些特定的参数或符号，如质量、体积等。

总之，罗马数字Ⅲ和阿拉伯数字3都是计数和顺序的符号，但在使用上略有不同。

罗马数字Ⅲ主要用于较大的计数和顺序，特别是在历史和科学领域，而阿拉伯数字3则更为通用，在日常生活中更常用。

3的寓意和象征

3的寓意和象征3的寓意和象征一直以来都是令人着迷的话题，它在人们的生活中占据着重要的地位，不仅仅出现在数字、图形、文学、艺术等方面，还深刻影响着人们的思想、信仰和文化。

在这篇文章中，我将详细介绍3的寓意和象征，以及它所代表的含义和影响。

首先，3是一个具有神秘色彩的数字，它既可以代表幸运和成功，也可以代表不幸和厄运。

在苏格拉底哲学中，3被视为灵魂的数字，因为人们的灵魂是由三部分组成的：理智、情感和欲望。

在基督教中，3被视为象征着三位一体的上帝：父、子和圣灵。

此外，3还代表了生命、死亡和再生。

在古埃及神话和其他文化中，3代表了三个阶段的循环：生命、死亡和再生。

因此，3可以被看作是一个象征着生命循环的数字。

其次，3还与创造、平衡和完美相关联。

在美学中，3是一个非常重要的数字。

它被视为最平衡和完美的数字，因为它刚好处在1和5之间。

三角形也是一个具有完美平衡的形状。

许多艺术品中都有3的影子，例如三原色、三分色彩、三分构图等等。

此外，在许多文化中，3还被视为一个神圣的数字，因为它代表了创造力和天赋。

三只乌鸦、三只小熊和三只猪都被视为聪明、勇敢和有才华的动物，在古代也被视为象征着精灵和神仙。

最后，3还代表了联合、和谐和团结。

这一点在许多文化中都非常明显。

在儒家文化中，三才是社会组织的基础，三纲五常是家庭道德的基础。

在希腊神话中，三姐妹毕斯提斯是命运女神，代表着联合、平衡和团结。

在印度教中，三位主神布拉马、维希努和湿婆代表着三种“神圣能量”，这些能量一起形成了宇宙的平衡和谐。

3的寓意和象征是多种多样的，每个人对于3的理解也是不同的。

它可以代表幸运、成功、生命、创造力、和谐、团结等等，这些都是人们追求的目标。

同时，3也可以代表着不幸、痛苦和困难，对于这些挑战，我们需要勇敢地面对和克服。

因此，3不仅是一个数学数字，也是一个哲学概念和文化符号，渗透在人们的生活和思维之中。

它给我们带来了深刻的启示和思考，也让我们惊叹于数字和生命的奥秘。

新教材外研版高中英语必修第三册Unit3 The world of science精品教学课件

Unit 3 The world of science
Section A Starting out & Understanding ideas P27 Scetion B Using Language P132 Section C Developing ideas P159
Drones Could Help Biologists Tally Birds Ecologists crouching quietly amidst vegetation, using binoculars to tally birds in a roost, may soon be a charming relic of the past. Because a new study shows that, when it comes to getting an accurate avian head count, aerial drones can do better.
【听力原文】 Text 1 W: He doesn’t want to eat Italian food tonight. M: So what? He doesn’t have to come to dinner with us. We can meet up with him later at the bar.
“. . . there was no statistical difference between those counts and the counts completed by our volunteers using exactly the same imagery. ”
【导语】 The Big Bang Theory是电视剧The Big Bang Theory(《生活大爆炸》)的主题曲, 该剧是一部以 “科学天才”为背景的情景喜剧。

安全三级(BSL-3,ABSL-3)实验室给排水污染控制

生物安全三级（BSL /ABSL-3）实验室给排水污染控制提要在实验室危险等级分级的定义中:生物安全三级实验室主要用于对人、畜有高度传染性的烈性传染病的研究和检测，其使用安全性至关重要。

本文根据某生物安全三级实验室工艺特点和使用要求，从如何有效实现污染控制的目的对生物安全三级实验室给水系统、废水系统和消防系统以及各系统管材和管线敷设的设计特点及需要注意的事项做一个论述和说明。

Abstract: In the definition of biology risk level for laboratory, BSL-3 Laboratory mainly used to research and inspect strongly infectious disease communicating human being and animal easily and quickly. It’s very important to put usage security of the laboratory on a high level. Based on its special process conditions, usage requirements of BSL-3 laboratory and purpose of how to realize contamination control efficiently, this article introduces key points of design and some factors need to be considered for supply water system, wastewater systems, fire systems, pipe materials and piping route for BSL-3 laboratory.关键词三级实验室给排水设计给水系统废水系统消防系统BSL-3 laboratory; Plumbing Design; Supply Water System; Wastewater systems; Fire Systems0引言：自2003年我国SARS疫情爆发以后，生物安全实验室的建设在我国取得长足的进步和快速的发展。

第3章习题答案

练习题：1.单项选择⑴当砼预制桩的设计间距大于4倍桩直径（或边长）时，宜采用的打桩顺序为（ A）。

A．逐排打设Ｂ．自中间向四周打设Ｃ．自四周向中间打设Ｄ．逐排打设⑵摩擦桩型的预制桩在沉桩时，主要质量控制指标是（Ｂ）。

Ａ．最后贯入度Ｂ．设计标高Ｃ．垂直度Ｄ．平面位置⑶在周围建筑物密集的狭窄场地施工大直径砼灌注桩，较宜采用（Ａ）。

Ａ．钻孔灌注桩Ｂ．沉管灌注桩Ｃ．人工挖孔灌注桩Ｄ．爆扩灌注桩3．填空题：（1）泥浆护壁钻孔灌注桩成孔施工时，泥浆的作用是：（护壁、携砂、排土、降低钻头温度）。

（2）钢筋砼预制桩的打桩顺序一般有：（逐排打设）、（自中间向四周打设）、（有中间向两边打）。

（3）桩锤重量可按那几个因素来选择：（地质条件）、（工程结构）、（桩的类型）。

密集程度及施工条件（4）预制打入桩垂直度偏差应控制在（ 100mm ）以内。

（5）入土深度控制对摩擦桩应以（设计标高）为主，以（最后贯入度）作为参考。

端承桩应以（最后贯入度）为主。

（6）钻孔灌注桩钻孔时的泥浆循环工艺有（正循环、反循环）两种，其中（反循环）工艺的泥浆上流速度高，携土能力大。

（7）打入桩施工时，当桩间距（当桩中心距小于等于4倍桩长或桩径时）时，一定要确定合理的打桩顺序。

（2）若按施工方法分，预制桩可划分为（打入法）、（静压法）（8）预制桩吊点设计的原则是：（平稳，避免冲击和振动）。

（9）桩架的作用是（导向）、（固定桩的位置）、（承受桩锤重量）。

（10）预制桩接桩的方法有：（焊接法）、（浆锚法）、（法兰接桩）。

（11）打入桩施工时，宜采用的打桩方法：（重锤低击）。

（12）套管成孔灌注桩施工时，为提高桩的质量，提高桩的承载力，经常采用（复打法施工）。

（13）水下浇筑砼经常采用的方法是（导管法）。

（14）砼预制桩应在砼达到设计强度的（75%）后方可起吊，达到设计强度的100%后方可（运输）和（打设）。

（15）沉管灌注桩施工时，常遇问题有：（断桩）、（缩颈）、（吊脚桩）（砼过量）。

3的数字代表什么意思有什么含义

3的数字代表什么意思有什么含义数字“三”无论是西方还是在中国都被作为神秘的象征。

那么，你知道3的数字代表什么意思吗?接下来就跟着店铺一起去看看3的数字代表含义吧。

3的数字含义数字3的含义：表达数在两个对立之间有著抽象或灵性的关系，例如阴和阳并不是一种关系，爱或欲望必须存在，这样才会有所谓的关系出现，关系的建立是存在于两端之内的第三股力量，对立的和解是宇宙中第三力量。

三的扮演角色，在“三位一体”中得以认知，这在古埃及或世界上其他的神话(例如____的三位一体)中出现。

数字3拥有极高的表达天赋，他们会非常乐意跟人交流自己的想法，也会非常喜欢各种社交关系带给自己的新鲜感。

他们喜欢在人群中表现自己，由于他们对情绪拥有极强的感受力，天性中又带着浪漫快乐的一面，所以他们时常会成为朋友圈内调解气氛的快乐源泉。

数字3的含义关键词：沟通、社交、快乐象征符号：三角型属性：灵巧聪慧型对应色彩：黄色五行：阳火星座排行：双子、双鱼数字3在形态上是个多方位的“可爱数”，把3侧翻过去就是英文字母E，躺下又像是W，趴下看又成了M，这是阿拉伯数字里最有趣的一个数。

3代表关系，黑与白无法直接关联，阴和阳必须同时存在，关系的建立是第三种力量。

1是父亲，2是母亲，而3就是它们的“孩子”。

在____中，3是圣父、圣子和圣灵的综合体，即男性驱动力+儿童状态+灵性结合三位一体数。

这是一个乐观机敏的数字，具有旺盛的好奇心，乐观善于表达，具备孩子一般的纯真与多变性。

正面优势聪明，热情，想象力丰富，有创意，幽默感，充满活力，善于表达，时尚，擅社交，沟通，多才多艺，有趣，乐观，有激情，受欢迎负面挑战夸张，缺乏责任心，做作，缺乏方向，自我怀疑，搬弄是非，幼稚，逃避现实，肤浅，虚荣浮华，喋喋不休，撒谎，铺张浪费恐惧被限制，无聊，面对现实，不被关注数字3的象征意义数字“三”无论是西方还是在中国都被作为神秘的象征。

“三”在符号象征体系中，几乎不含任何反面意义，其象征意义涉及到宗教思想、传统、神等诸多领域。

《听力教程3》听力原文及参考答案

《听⼒教程3》听⼒原⽂及参考答案Book ThreeUNIT 1Section OnePart 1Spot DictationHouses in the FutureWell, I think houses in the future will probably be (1) quite small but I should think they'll be (2) well-insulated so that you don't need so much (3) heating and (4) cooling as you do now, so perhaps very economical (5) to run. Perhaps they will use (6) solar heating, although I don't know, in this country, perhaps we (7) won't be able to do that so much. Yes, I think they'll be full of (8) electronic gadgets: things like very advanced televisions, videos, perhaps videos which take up ... the screen (9) takes up the whole wall. I should think. Yes, you'll have things like (10) garage doors which open automatically when you (11) drive up, perhaps electronic (12) sensors which will (13) recognize you when you, when you come to the front door even. Perhaps (14) architects and designers will be a bit more (15) imaginative about how houses are designed and perhaps with the (16) shortage of space people will think of putting gardens (17) on the roof and, and maybe rooms can be (18) expanded and, and (19) contracted* depending on what you use them for, so perhaps there'll be a bit more (20) flexibility about that. Part 2Listening for GistA: Tuesday two fifteen. Let me look inmy diary. B: No, Thursday.A: Oh, I'm sorry. I thought you said Tuesday.B: Thursday two fifteen. No, I'm sorry. I've got an appointment until three. Could we make it later?Say three fifteen?A: Well, there's a lot to talk about. It'll take a couple ofhours, at least. B: Shall we say Monday morning, then?A: Monday morning. All right. Nine o'clock?B: Nine. I think that will be all right. I'll ring you backand confirm. A: All right. But ring before five, couldyou?B: All right.A: Right you are. Bye. B: Bye.Exercise. Directions: Listen to the dialogue and write down the gist and the key words that help you decide.1.This dialogue is about making an appointmentWoman: Listen! I'm terribly sorry I'm late. Man:Man: Oh, that's all right. It doesn't really matter, does it? I haven't got anything better to do, have I?Woman: Just let me explain, will you?Man: I've only been waiting for over an hour. That's all.Woman: Yes. I know, and I would have ...Man: After all, my time isn't really that important, is it?Woman: Please don't be like that. Just let meexplain. (Silence. Man says nothing.)Woman: I ... I tried to get here in time but just after I left home, the car broke down.Man: The car broke down?Woman: Yes, and ... well ... luckily ... there was a garage near me. And ... and it took them a whileto repair it.Man: Why didn't you at least phone?Woman: I would have! But I didn't know the number of the restaurant.Man: You could have looked it up in the telephone book!Woman: Yes, but ... you'll never believe this ... I couldn't remember the name of the restaurant. I knew where it was, but forgot the name.Man: I see. Well, at least it was lucky you found a garage to repair your car. Woman: Yes. It was something I couldn't do myself. It didn't take too long, but that's why I'm late,you see.Man: Uh-huh. Which garage, by the way?Woman: Pardon?Man: Which garage did you take it to?2.The key words are Tuesday. Thursday. two fifteen. three fifteen. Mondaymorning. nine o'clock.Section Two Listening comprehensionPart 1 DialogueI'm terribly sorry I'm late.Woman: Listen! I'm terribly sorry I'm late. Man:Man: Oh, that's all right. It doesn't really matter, does it? I haven't got anything better to do, have I?Woman: Just let me explain, will you?Man: I've only been waiting for over an hour. That's all.Woman: Yes. I know, and I would have ...Man: After all, my time isn't really that important, is it?Woman: Please don't be like that. Just letme explain. (Silence. Man says nothing.)Woman: I ... I tried to get here in time but just after I left home, the car broke down.Man: The car broke down?Woman: Yes, and ... well ... luckily ... there was a garage near me. And ... and it took them a whileto repair it.Man: Why didn't you at least phone?Woman: I would have! But I didn't know the number of the restaurant.Man: You could have looked it up in the telephone book!Woman: Yes, but ... you'll never believe this ... I couldn't remember the name of the restaurant. I knew where it was, but forgot the name.Man: I see. Well, at least it was lucky you found a garage to repair your car. Woman: Yes. It was something I couldn't do myself. It didn't take too long, but that's why I'm late,you see.Man: Uh-huh. Which garage, by the way?Woman: Pardon?Man: Which garage did you take it to?Woman: Uh ... the one near my flat. You know. Lewis Brothers.Man: Yes, I know that garage. It's the only one near your flat.Woman: Hmm, well now, let's have something to eat. Uh, what about some ... Man: I know the garage very well! Woman: Yes. Let's see now. Yes, I think I'll have some ...Man: A pity it's Sunday.Woman: Pardon?Man: A pity it's Sunday. That garage is closed on Sunday!Exercise Directions: Listen to the dialogue and answer the following questions."Well, at least it was lucky you found a garage to repair your car."4.Because she wants to stop the conversation like this.Because he knows the girl is lying.Part 2 PassageThe Oscar Statuette1 Industry insiders and members of the press called the award "the Academy statuette", "the golden trophy" or "the statue of merit", but the term never stuck.2. No hard evidence exists to support that tale, but in any case, by the sixth Awards Presentation in 1934, a Hollywood columnist used the name in his column.3. Walt Disney was honored with one full-size and seven miniature statuettes on behalf of his animated feature Snow White and the Seven Dwarfs.1.T hey are possibly boyfriend and girlfriend.2.In a restaurant.3."It doesn't really matter, does it? I haven't got anything better to do, have I?""I've only been waiting for over an hour.That's all" "After all, my time isn't reallythat important, is it?" well, at least It waslucky you found a barrage to repair yourcar4. If the statuettes don't meet strict quality control standards, they are immediately cut in half and melted down.5.The large boxes are shipped to the Academy offices via air express, with no identifiable markings.The Oscar statuette, designed by MGM's* chief art director Cedric Gibbons, depicts* a knight holding a crusader's* sword, standing on a reel of film with five spokes, signifying the original branches of the Academy: Actors, Writers, Directors, Producers, and Technicians.Born in 1928, years would pass before the Academy Award of Merit was officially named "Oscar". Industry insiders and members of the press called the award "the Academy statuette", "the golden trophy" or "the statue of merit". The entertainment trade paper, Weekly Variety, even attempted to popularize "the iron man". The term never stuck.A popular story has been that an Academy librarian and eventual executive director, Margaret Herrick, thought the statuette resembled her uncle Oscar and said so, and that as a result the Academy staff began referring to it as Oscar.No hard evidence exists to support that tale, but in any case, by the sixth Awards Presentation in 1934, Hollywood columnist Sidney Skolsky used the name in his column in reference to Katharine Hepburn's first Best Actress win. The Academy itself didn't use the nickname officially until 1939.Since its conception, the Oscar statuette has met exacting uniform standards - with a few notable exceptions. In the 1930s, juvenile players received miniature replicas* of the statuette; a ventriloquist* Edgar Bergen was presented with a wooden statuette with a moveable mouth; and Walt Disney was honored with one full-size and seven miniature statuettes on behalf of his animated feature Snow White and the Seven Dwarfs. Between 1942 and 1944, in support of the war effort, Oscars were made of plaster. After the War, winners turned in the temporary awards for golden Oscar statuettes.The traditional Oscar statuette, however, hasn't changed since the 1940s, when the base was made higher. In 1945, the base was changed from marble to metal and in 1949, Academy Award statuettes began to be numbered, starting with No. 501.Approximately 50 Oscars are made each year in Chicago by the manufacturer, R. S. Owens. If they don't meet strict quality control standards, the statuettes are immediately cut in half and melted down.Each award is individually packed into a Styrofoam* container slightlylarger than a shoebox.Eight of these are then packed into a larger cardboard box, and the large boxes are shipped to the Academy offices in Beverly Hills via air express, with no identifiable markings.On March 10, 2000, 55 Academy Awards mysteriously vanished en route from the Windy City* to the City of Angels. Nine days later, 52 of stolenstatuettes were discovered next to a Dumpster* in the Koreatown section of Los Angeles by Willie Fulgear, who was later invited by the Academy to attend the Oscar 2000 ceremonies as a special guest.For eight decades, the Oscars have survived war, weathered earthquakes, and even managed to escape unscathed* from common thieves. Since 1995, however, R. S. Owens has repaired more than 160 statuettes. "Maybe somebody used chemicals on them to polish them and the chemicals rubbed right through the lacquer* and into the gold," explains the company president. "Or maybe people stored them someplace where they corroded." Although he stresses that the statuette is made to endure, Siegel offers this sage advice to all Oscar winners: "If it gets dusty, simply wipe it with a soft dry cloth." Exercise A Pre-listening QuestionEvery January, the attention of the entertainment community and of film fans around the world turns to the upcoming Academy Awards, the highest honor in filmmaking. The annual presentation of the Oscars has become the Academy of Motion Picture Arts and Sciences' most famous activity. The Oscar Statuette is a knight holding a crusader's sword, standing on a reel of film with five spokes.Exercise B Sentence DictationDirections: Listening to some sentences and write them down. You will hear each sentence three times.Exercise C Detailed ListeningDirections: Listen to the passage and decide whether the following statements are true (T) or false (F). Discuss with your classmates why you think the statement is true or false.----I...- 1. There were five original branches of the Academy.(Because the five spokes on the reel of film signify the original branchesof the Academy:Actors, Writers, Directors, Producers, and Technicians.)~ 2. The Academy Award of Merit was officially named "Oscar" in 1928.(Born in 1928, years would pass before the Academy Award of Meritwas officially named "Oscar.")----I...- 3. The Academy staff began referring to the Academy statuette as Oscar because Margaret Herrick said the statuette was like her uncle Oscar.(An Academy librarian and eventual executive director, MargaretHerrick, thought the statuette resembled her uncle Oscar and said so,and as a result the Academy staff began referring to it as Oscar.)4. Since its conception, the Oscar statuette has met exacting uniform standards. (There were a few notable exceptions. In 1930s, juvenile players received miniature replicas of the statuette and a ventriloquist Edgar Bergen gained a wooden statuette with a moveable mouth. Walt Disney was honored with one full-size and seven miniature statuettes. )----I...- 5. Oscars were made of plaster in the 1940s because of the War. (Between 1942 and 1944, in support of the war effort, Oscars were made of plaster.) ----I...- 6. The manufacturer, R. S. Owens makes about 50 Oscars each year in Chicago. (Approximately 50 Oscars are made each year in Chicago by the manufacturer, R. S. Owens.)~ 7. 55 Academy Awards were stolen by a mysterious person en route from the Windy City to the City of Angels on March 10, 2000.(On March 10,2000,55 Academy Awards just mysteriously vanished en route from the Windy City to the City of Angels, but how and by whom was unknown.) ~ 8. For eighty years, the Oscars have survived war, weathered earthquakes, managed to escape unscathed from common thieves and even chemical corrosion.(Since 1995, however, R. S. Owens has repaired more than 160 statuettes. "Maybe somebody used chemicals on them to polish them and the chemicals rubbed right through the lacquer and into the gold."Exercise D After-listening DiscussionDirections: Listen to the passage again and discuss the following questions.1.T he traditional Oscar statuette hasn't changed since the 1940s, when the basewas made higher.In 1945, the base was changed from marble to metal and in 1949, Academy Award statuettes began to be numbered, starting with No.501.2.(Open)Section ThreeNewsNews Item1Bush-NATO-IraqMr. Bush says he hopes America's NATO allies will stand with the United States if he decides to take military action against Iraq.All the same, the president says no action is likely in the near future. He says for now the focus is on implementing the new UN resolution that calls for a tough weapons inspection regime* and warns of consequences if Iraqi leader Saddam Hussein fails to comply*.Administration official say they expect the NATO summit to release a political statement backing the UN resolution. They say President Bush will bring up Iraq in his bilateral meetings in Prague*, but they also say they do not believe the Iraqi threat will be the focus of the summit.In Prague, the alliance plans to take steps toward the creation of a rapid deployment force that can playa role in combating terrorism. The president said even the smallest NATO member nations can contribute something to the causeExercise A Directions: Listen to the news item and complete the summary.Exercise B Directions: Listen to the news again and answer the following questions1.He hopes America's NATO allies will stand with the United States if hedecides to take militaryaction against Iraq.2.No, the president says no action is likely in the near future.3.They expect the NATO summit to release a political statement backing the UNresolution.4.The NATO summit is held in Prague.No, it will not be the focus of the NATO summit.Bush-IraqPresident Bush says everyone knows the real power in Iraq lies with Saddam Hussein: "There is no democracy. This guy is a dictator and so we have to seewhat he says." The president says the Iraqi leader has a choice to make: disarm peacefully or be disarmed by force: "If Saddam Hussein does not comply to the detail of the resolution, we will lead a coalition to disarm him. It is over. We are through with negotiations. There is no more time. The man must disarm. He said he would disarm. He now must disarm." Mr. Bush spoke with reporters while touring the Washington D.C. police department, a tour designed to highlight his plan to create a cabinet level Department of Homeland Security. He left no doubt his patience regarding Iraq is wearing very thin*, stressing the United States will no longer tolerate any efforts by Saddam Hussein to circumvent* demands to disarm. Exercise BExercise ADirections: Listen to the news item and complete the summary.This news item is about the Bush administration's attitude towards Iraq. Directions: Listen to the news again and decide whether the following statements are true (T) or false (F).British Prime Minister Tony Blair delivered a radio address late Thursdayto the Iraqi people warning that Saddam Hussein must comply with UN demands or suffer the consequences.Prime Minister Blair said Saddam Hussein must cooperate with UN weapons inspectors, or be prepared to face military action. In an interview with Radio Monte Carlo's Arabic service Thursday, Mr. Blair said war could be avoided, if Iraq agreed to disarm."The situation is very clear. If Saddam Hussein agrees to disarm Iraq of all chemical, or biological or nuclear weapons programs and capability, then conflict would be avoided, and his duty is to cooperate fully with the inspectors to tell them exactly what material he has, to cooperate and comply with them in the eradication of that material."The prime minister said he wanted to speak directly to the Iraqi people to try to dispel* what he called myths that have arisen between Christians and Muslims. He said the dispute with Iraq is not about the West versus the East or about oil, but about weapons of mass destruction.Exercise ADirections: Listening to the news item and complete the summary.This news item is about British Prime Minister's stand on the Iraqi issue.Exercise BDirections: Listen to the news again and complete the following sentences.1.Prime Minister Blair warned that Saddam Hussein would suffer theconsequences unless he cooperated with the UN weapons inspectors. Saddam Hussein should cooperate fully with the inspectors to tell them exactly what material he has, and comply with them in the eradication of that material.2.On Thursday Tony Blair had an interview with Radio Monte Carlo's Arabicservice.3.According to the Prime Minister, the conflict can be avoided if SaddamHussein agrees to disarm Iraq of all chemical. or biological or nuclearweapons programs and capability.4.Mr. Blair said the dispute with Iraq is not about the West versus the East orabout oil, but about weapons of mass destruction.Section Four Supplementary ExercisesPart 1 Feature reportBlix’s Iraq InspectionThe chief UN arms inspector has been assigned the task of searching for weapons of mass destruction in Iraq. The Security Council gave Iraq this last opportunity to disarm or face serious consequences, a euphemism* for possible war. The United States says it will make sure Iraq disarms, one way or another.But Mr. Blix* emphasizes that his inspectors will not determine the courseof events in the region. He says they will visit suspected sites, conduct interviews with Iraqi scientists, ferret* out information and report back to the Security Council for its members to decide.As for US and British intelligence reports, which the Bush administration says proves that Iraq has banned weapons, Mr. Blix says he is not going into Iraq with pre-conceived ideas of what is there.The next test for Iraq will be December 8th, the deadline for Iraq to present a full accounting of its weapons programs. If Iraq presents, in effect, a blank sheet, Mr. Blix says, he would expect the United States to put its evidence on the table, so it can be verified.Iraq has persistently maintained it does not have the banned weapons. The latest such assertion came in a letter to the UN this week, in which Baghdad accepted the latest Security Council resolution setting out the parameters* for what experts say will be the most intrusive inspections in Iraq, so far.After the preliminary technical work starting Monday, Mr. Blix says, he expects the first wave of inspections to start November 27th. Two months later, he is required to report to the Security Council on Iraq's performance.Exercise ADirections: Listening to the news report and complete the summary.This news report is about Mr. Blix's weapons inspections in Iraq.Exercise BDirections: Listen to the news again and fill in the blanks with the missing words.Mr. Blix emphasizes that his inspectors will not determine the course of events in the region. He says they will visit suspectedsites, conduct interviews with Iraqi scientists, ferret out information and report back to the Security Council for its members to decide.The next test for Iraq will be December eighth, the deadline for Iraq to present a full accounting of its weapons programs. If Iraq presents, in effect, a blank sheet, Mr. Blix says, he would expect the United States to put its evidence on the table, so it can be verified.Iraq has persistently maintained it does not have the banned weapons. The latest such assertion came in a letter to the UN this week, in which Baghdad accepted the latest Security Council resolution setting out the parameters for what experts say will be the most intrusive inspections in Iraq, so far.Part 2 PassageRise and Fall of Egypt1.The Nile River was a kind friend but occasionally a hard taskmaster of the。

新视野大学英语3听说教程答案(清晰完整版)

Unit 6
Warming up 1."Get ready" 2.Climate changes are occuring more rapidly and natural disasters are becoming more severe. 3.Books on the subject of survival. Listening Short conversations 1.D 2.D 3.D 4.B 5.C 6.A 7.C 8.C 9.A 10.C Long conversation 1.A 2.C 3.B 4.B 5.D Passage 1.C 2.D 3.C 4.D 5.A Radio program 1.Islamabad 2.a tall Islamabad building 3.the Kashmirian Mountains 4.a heavily mititarized region 5.India
Unit 4
Warming up 1. Writer---Jack Kerouac 2. Artist---Jackson Pollock 3. Musician---Louis Armstrong 4. Symbol--- Statue of Liberty Listening Short conversations 1.B 2.B 3.C 4.D 5.A 6.B 7.D 8.C 9.D 10.A Long conversation 1.C 2.D 3.B 4.B 5.A Passage 1.B 2.A 3.D 4.D 5.B Radio program 1.for decades 2.healthy and aactive lifestyle 3.meet consumer demands

大学思辨英语教程精读3课件Unit 3

Lead in
Text A offers an enlightening analysis of non-verbal communication across different cultures. The authors, Edward T. Hall and Mildred R. Hall, show us that cultural barriers could be overcome by increasing our awareness of cultural differences and by learning about the different ways in which we behave in different societies.
While culture is learned through practice and socialization, Text B provides a counter example to demonstrate the result of non-socialization. As you read the text, you can consider the importance of socialization for you to survive and develop your potential in a particular society.
Critical Thinking
Reading Skills
Learning Objectives
• Reading Skills
• Identify the structure of the text • Identify topic sentences • Use context to understand a new word

Unit3 Reading3

"Gabby, You're Sooo Skinny""加贝，你太瘦了"I am a straight-A student.我是优等生。

I am very involved in school activities and considered a "very together”teenager.我积极参与学校活动，被认为是一个“非常合群”的青少年。

Or at least, I was It all started innocently enough.或者至少，我是这一切都开始得足够天真。

I weighed about 125 pounds. 我重约125磅。

I was not fat, but felt I could stand to lose a few pounds. 我并不胖，但我觉得我可以减几磅。

A friend of mine had gone on a health kick and was getting great results from it -she was losing weight, she felt better and her friends were telling her how great she looked I wanted to feel that way, too.我的一个朋友参加了一个健康计划，并取得了很好的效果——她的体重减轻了，她感觉好多了，她的朋友们告诉她，她看起来很好——我也想有那样的感觉。

I began exercising and eating healthy snacks instead of the usual Coke and-chips marathon watching the boob tube.我开始锻炼，吃健康的零食，而不是像往常那样马拉松式地看电视。

Within a couple of weeks I had lost weight, I was feeling good, I cared more about what I wore and started feeling attractive in a way I had not experienced before.几周后，我的体重减轻了，我感觉很好，我更关心自己的穿着，我开始以一种从未有过的方式感到自己很有吸引力。

3在生活中可以表示什么

3在生活中可以表示什么
在生活中，数字3可以表示许多不同的事物和概念。

从数学到文化，从宗教到
哲学，数字3都扮演着重要的角色。

让我们来看看在生活中，数字3可以表示什么。

首先，数字3在数学中代表着一个重要的概念，三角形。

三角形是几何学中的
基本形状之一，它由三条边和三个角组成。

三角形在建筑、设计和工程中都有着重要的应用，因此数字3在数学中具有重要的意义。

其次，数字3在文化和宗教中也有着特殊的含义。

在基督教中，三位一体是一
个重要的概念，代表着上帝的三位形态，父、子、圣灵。

在许多其他宗教和文化中，数字3也代表着神圣的力量和完美的平衡。

最后，数字3在日常生活中也有着特殊的意义。

许多人认为“第三次正是魅力
所在”，这意味着第三次尝试通常会带来成功。

此外，人们常常将事物分为三个部分，比如早、中、晚；过去、现在、未来等等。

总的来说，数字3在生活中有着丰富的含义和应用。

无论是在数学、文化、宗
教还是日常生活中，数字3都扮演着重要的角色，代表着力量、平衡和完美。

让我们珍惜数字3，体会它在生活中的深刻意义。

3 三级配电

第三节供配电系统与配电装置一、三级配电系统施工现场用电工程的基本供配电系统应当按三级设置，即采用三级配电。

（一）三级配电系统基本结构三级配电是指施工现场从电源进线开始至用电设备之间，应经过三级配电装置配送电力，即由总配电箱（一级箱）或配电室的配电柜开始，依次经过分配电箱（二级箱），开关箱（三级箱）到用电设备。

这种分三个层次逐级配送电力的系统就称为三级配电系统。

配电系统采用放射式和树干式，它的基本结构如以下框图。

（二）系统的设置原则三级配电系统应遵守四项基本原则：即分级分路原则，动照分设原则，压缩配电间距原则，环境安全原则。

1、分级分路(1) 从一级总配电箱（配电柜）向二级分配电箱配电可以分路，即一个总配电箱（配电柜）可以分若干分路向若干分配电箱配电；(2) 从二级分配电箱向三级开关箱配电同样可以分路，即一个分配电箱可以分若干支路向若干开关箱配电。

(3) 从三级开关箱向用电设备配电实行“一机一闸”制，不存在分路问题。

即每一开关箱只能连接控制一台与其相关的用电设备（含插座）。

按照分级分路原则的要求，在三级配电系统中，任何用电设备都不得越级配电，总配电箱和分配电箱不得挂接其它任何设备，否则，三级配电系统的结构形式和分级分路原则将被破坏。

2、动照分设动力配电箱与照明分配电箱宜分别设置。

当动力和照明合并设置于同一配电箱时，动力和照明应分路配电，动力和照明开关箱必须分别设置，不存在共箱分路设置问题。

3、压缩配电间距压缩配电间距原则是指各配电箱、开关箱之间的距离应尽量缩短。

总配电箱应设在靠近电源的区域，分配电箱应设在用电设备或负荷相对集中的区域，分配电箱与开关箱的距离不得超过30m，开关箱与其控制的固定式用电设备的水平距离不宜超过3m。

4、环境安全环境安全是指配电系统对其设置和运行环境的安全要求，包括三种环境要求：使用环境、维修环境和防护环境。

要求如下:(1) 使用、维修环境：满足压缩配电间距原则。

配电箱、开关箱周围应有足够二人同时工作的空间和通道，不得堆放任何妨碍操作、维修的物品，不得有灌木、杂草。

新编研究生综合英语教程UNIT3汉译英讲解及答案

重复的名词写成被修饰的词，第二个句子出现这个名
词要写成定语。例子：2001年，反倾销案件猛增到创纪录的348起，这个统计数字（348）表明贸易保护主义正在迅速的蔓延，（贸易保护主义）并日益成为国际贸易中一个严重的问题。 Anti-dumping cases suddenly rose to a record high of 348,indicating a rapid speed of trade protectionism , an increasingly serious problem in international trade.
（三）主语、宾语里有动宾关系可以写成名词+of+名词的形式，by引导动作执行者
文化交流是个互相学习、互相借鉴的过程。 The cultural exchange is a process of learning and drawing on experience from each other. 例句：旅游基础设施大量侵占沿海土地，这严重地破坏了脆弱的陆地生态系统和湿地。 The occupation of coastal areas by tourist infrastructure leads to destruction of vulnerable terrestrial ecosystems and wetlands. 西方社会一味地追求经济发展，总体看来，非但没有优化人们的社会生活，相反有恶化趋势。 The continue pursuit of economic growth by Western Societies is to reduce rather than increase social welfare.

全新版大学进阶英语综合教程3课件及答案 Unit 3 Cultural Differences

Getting Prepared
Warm-up Video
Notes
Hale Waihona Puke After watching a video clip about an interview with three foreign women marrying Chinese husbands, discuss the following questions with your partner. 1. According to the video, when raising grandchildren, what is
the difference between Chinese grandparents and American grandparents? 2. How are the day-to-day responsibilities divided in Jocelyn’s family? Is it the same in your family? If not, how does your family divide the daily responsibilities?
Getting Prepared
Warm-up Video
Notes
gender equity /5ekwItI/: the view that both men and women should receive equal treatment and not be discriminated against based on their gender. This is the objective of the United Nations Universal Declaration of Human Rights, which seeks to create equality in law and in social situations, such as in democratic activities and securing equal pay for equal work.

3-HPA全文翻译

3-羟基丙醛作为生物制品的应用及前景摘要3-羟基丙醛常常伴随着HPA水合物和HPA二聚体以动态多组分的形式出现，称作HPA系统，HPA系统常被用于食品保存，以及作为一些现代化工产品的前体，比如丙烯醛，丙烯酸，1,3-丙二醇以及一些聚合物制品。

3-羟基丙醛可以通过传统的化学方法以及生物发酵法两种方法制备。

目前，在石油化工中3-羟基丙醛作为1,3-丙二醇产品的中间体出现。

在体内，甘油通过一步酶反应过程转化成3-羟基丙醛。

3-羟基丙醛生产菌株罗伊氏乳杆菌常被用作对人类和动物健康有益的益生菌。

由可再生资源制备3-羟基丙醛可以满足食品应用以及作为化工产品生产的需求。

如何提高3-羟基丙醛的得率并纯化将是未来面临的主要课题。

HPA系统概述最早观察3-羟基丙醛合成途径并最终对其进行阐述可以追溯到1741年。

Geoffrey（1742）描述到通过对脂肪进行皂化可以获得一种新型水溶糖浆。

1779年，Scheele从不同的一些物质中分离到与上述相同的糖浆，这些物质包括杏仁，亚麻籽，油菜油，橄榄油，黄油和猪油。

根据其甜味所以命名为―Ölsüss‖（见Scheele 1931）。

大约40年后，法国有机化学创始人Chevreul记录到，经过皂化处理，中性脂肪能够转化成固体脂肪酸和Scheele发现的甜味组分。

他认为这种液体含有醇类，并将该种液体重新命名为丙三醇或甘油（Chevreul 1823；Matagrin 1925）。

Chevreul的发现对于我们的日常生活是很有意义的。

从蜡烛的原材料中剔除丙三醇不仅可以有效地提高蜡烛的硬度和照度，而且还消除了在燃烧过程中，由于丙三醇燃烧产生的异味（Matagrin 1925）。

Brandes是第一个描述丙三醇燃烧分解产物气味和浓度的人，并命名分解产物为丙烯醛，但是第一个将分解产物鉴定为醛类的则是Berzelius（Berzelius 1839）。

于此同时，在Liebig实验室，Redtenbacher记录到丙烯醛可由脂肪燃烧产生，但不能由脂肪酸燃烧产生。

新标准大学英语综合教程3课文翻译乔安妮餐厅的晚餐

乔安妮餐厅的晚餐雪下得很大，虽然每个真正的纽约人都盼着过一个白色的圣诞，可还在第五大道购物的人们却行色匆匆，他们不但要在最后一刻前挑选到心仪的圣诞礼物，还要避开严寒，回家和亲人们共度圣诞夜。

乔希•莱斯特拐进了第四十六街。

他还没来得及享受圣诞的气氛，因为他仍在工作着，虽说是要在乔安妮餐厅吃一顿工作餐。

乔希是黑人，三十出头，长得平易近人，穿着时髦得体，却不华贵。

他来自弗吉尼亚州北部，父母都是辛勤工作的人，或许只有回到父母家里才最让他感到幸福。

单从他的行为举止，别人看不出他拥有一个哈佛法学院的学位，一段在华盛顿特区跟从国会议员实习的经历，还有纽约一家律师事务所初级合伙人的身份。

他才华横溢，思维敏捷，聪明过人。

这次会面意味着乔希要过了圣诞夜才能回家了。

他并没有因此而不高兴，因为他要见的人是康涅狄格州的资深参议员乔•罗杰斯，此人是全美曝光率最高的名人之一。

参议员罗杰斯是民主党人，现在是她的第三个任期，对于国会山的一切她了如指掌，尽管如此，她还是尽力维持住了在她的支持者心中作为一位华盛顿局外人的信誉。

她支持堕胎，反对腐败，支持减少二氧化碳排量，反对死刑，可以说是大西洋的这一边能找到的最完美的进步自由派人士。

脱口秀主持人们称呼她“诚实的参议员乔”，几年前《时代周刊》提名她参加年度女性的角逐。

明年就是选举年了，有消息称她将参加民主党内总统提名的竞选。

罗杰斯在华盛顿见过乔希，她觉得乔希很有才干，于是就邀他共进晚餐。

乔希打了个冷战，他打开手里的纸条核对了一下地址。

之前他没来过乔安妮餐厅，但对于它的鼎鼎大名却早有耳闻，倒不是因为这里的饭菜有多美味，其实这里的菜品屡遭恶评，也不是因为这里的爵士管弦乐队有一位知名电影导演客串吹小号，而是因为这里汇集了有头有脸的宾客，可以说是星光璀璨，他们中有政客、外交家、电影明星、载入名人堂的体育明星、记者、作家、摇滚明星、诺贝尔奖得主等等——总之，这里的每一位客人都是这座权力之城里的一个人物。

中国古代数字3的含义

中国古代数字3的含义
中国古代数字3的含义，可以用中文写成："三"代表了很多重要
意义。

首先，它象征着天、地、人的统一，体现了宇宙的完整性和和谐。

其次，"三"也代表了生命的循环，包括过去、现在和未来的连续性。

此外，"三"也代表了三才（天、地、人）和三光（日、月、星），表达了自然的规律性和秩序。

古人还将"三"作为吉祥和幸运的象征，
认为它代表着吉祥、安宁和福气。

在文化传统中，"三"也被广泛应用
于许多方面，例如三才图、三角梅等。

总的来说，中国古代数字3具
有丰富的内涵和文化意义。

成本管理作业3参考答案

第3次任务试卷总分：100 测试时间：--一、单项选择题（共 23 道试题，共 23 分。

）1. 采用定额法计算产品成本时，生产工资费用定额的计算公式是（D）。

A. 产品实际工时×生产工资实际单价B. 产品实际工时×生产工资计划单价C. 产品生产工时定额×生产工资实际单价D. 产品生产工时定额×生产工资计划单价2. 由于修改旧定额而产生的新旧定额之间的差额称为（C）。

A. 定额差异B. 材料成本差异C. 定额变动差异D. 脱离定额的差异3. 采用定额法计算产品成本时，若差异额较大而且各月在产品数量变动也较大，差异额在完工产品和月末在产品之间进行分配的方法一般是采用（B）。

A. 定额差异的比例B. 定额成本的比例C. 脱离定额差异的比例D. 材料成本差异的比例4.定额法下的定额变动差异是指由于修订消耗定额或生产耗费的计划价格而产生的（B）。

A. 计划价格与实际价格的差额B. 新旧定额的差额C. 实际价格与计划价格的差额D. 月初定额与月末定额的差额5. 采用定额法计算产品成本时，对于定额变动差异若是定额降低，在月末计算产品成本时，还应（ C ）。

A. 从当月的产品成本当中扣除B. 加到当月的产品成本当中C. 对当月产品成本没有影响D. 应在月初产品成本当中进行调整，月末在产品成本不进行调整6. 定额法下的产品成本计算单中，在消耗定额降低时，月初在产品的定额成本调整和定额变动差异数，（ D ）。

A. 都是负数B. 都是正数C. 前者是正数，后者是负数D. 前者是负数，后者是正数7. 定额法的特点是（ B ）。

A. 对产品进行事前控制B. 对成本差异进行日常核算、分析和控制C. 进行成本的定期分析和考核D.上列三点都具备8. 定额成本与计划成本（ D ）。

A. 完全是一回事B. 毫无联系C. 可以互相代替D. 既有相同之处，也有不同之处，两者不能互相替代。

9. 在制造费用分为变动制造费用和固定制造费用的情况下，生产能力利用差异的计算公式是（ B ）。