【文章內(nèi)容簡(jiǎn)介】 A right triangle is a 2 dimensional figure with 3 sides, 2 of which are perpendicular. To find its area, multiply the length of the 2 perpendicular sides, A and B and divided by 2, A equates one half A B.一個(gè)直角三角形是二維圖形，有三個(gè)邊，兩個(gè)邊是垂直的。要計(jì)算它的面積，用兩個(gè)直角邊相乘，AB，再除以2，相當(dāng)于1/2 A*BPerpendicular，成直角的。直立的，險(xiǎn)陡的。[建]垂直式的?！粗o〉直站著的，垂直面。直立，直立姿勢(shì)，廉直。垂直測(cè)器，錘規(guī)。[建]垂直式建筑，絕壁Equate。使相等。相當(dāng)于the electric force between the nucleus and the electrons holds the atom together. L4 Unit 12 dialogue 晚餐閑談Have you finished eating yet.Not, I haven’t.Why are you in such a hurry. I’m sorry, but you are such a slow eater. A low eater? Well I try to enjoy my food. You just eat and swallow. I don’t see how you can even taste it.Ok, I’m sorry. Do you mind if I get another glass of vines? No, go ahead. I don’t want you to sit there putting pressure on me. I thought we were going to have a relaxing evening. Yes, you are right. I’d like to relax, but I had a lot on my mind. Work related?Yes. it is. I’ve been getting some strange s from my boss. He wants me to cut down on my expenses. Maybe he wants to fire me. Is business bad?Yes, it is. But I don’t want to talk about it. Ok, but I’m a good listener. You can tell me if you’d like to.Thanks, maybe some other time. I’ll try to start thinking about it and deal with it tomorrow.Good idea. You need to take a break from work. Your health is important and so am I. Yes, you are. I don’t know what would I do without you. 你吃完了嗎？還沒(méi)。你為什么這么著急？對(duì)不起，你總是吃的那么慢。吃得慢？不，我是在品嘗食物。你只是在狼吞虎咽，我看不出你能?chē)L出什么味道。對(duì)不起，你介不介意我去拿另外一倍紅酒？不，我不想你坐在那給我壓力。我原來(lái)想著我們有一個(gè)放松的夜晚。是的，我也想放松，但是我腦中有很多煩心事。和工作相關(guān)？是的，我收到幾封我老板給我的郵件，他讓我削減我的支出，可能他想要開(kāi)除我。生意難做嗎？是的，但是我不想談?wù)撨@個(gè)。好吧，我是一個(gè)好的聽(tīng)眾，如果你愿意的話(huà)可以告訴我。謝謝，下次吧。我會(huì)明天嘗試開(kāi)始思考，并解決它們。好主意。你需要從工作中休息一下。你的健康非常重要，我的也是。是的。我不知道沒(méi)有你我會(huì)怎么辦。L4 Unit 13 listening 旅游3Harry is American businessman. His job requires him do a lot of travelling. He takes 9 or 10 trips a year. In the late 6 months, he has made 5 trips. 3 were to Asia and 2 were to Europe.The purpose of his trip is to attend meets and make presentations. Harry loves to travel and he has travelled to many countries. Most of his trips are for one or 2 weeks.His first international trip was 15 years ago, when he was 20 years old. He really wanted to see Asia so he and his friend flew from Tokyo, Japan. From Tokyo, they travelled around Japan for 2 weeks.哈利是一個(gè)美國(guó)商務(wù)人士。他的工作要求他日常出差。他一年要出差9到10次。在過(guò)去的6個(gè)月總，他出差了5次，3次去了亞洲，2次去了歐洲。他出差主要是為了參加會(huì)議和做演講。哈利喜歡旅行，他也旅行去過(guò)很多國(guó)家。大部分旅行都會(huì)有1到2周。他的第一次國(guó)際旅行是在15年前，當(dāng)他在20歲的時(shí)候。他非常想去亞洲，所以他和他朋友飛去東京。到東京后，他們?cè)谌毡就炅?周。The people they met very nice, but most of them didn’t speak English. Harry tried to speak a little Japanese, but it was difficult. He didn’t do very well. When he spoke to people, most of them just looked at him. They didn’t understand what he was trying to say. 他們遇到的人都很好，但是大部分都不會(huì)說(shuō)英語(yǔ)，哈利嘗試說(shuō)了一些日語(yǔ)，但是還是很困難。他做的并不好。當(dāng)他和日本人說(shuō)話(huà)時(shí)，大部分人只是瞅著他。他們不知道哈利想要說(shuō)什么。From japan, they went to Korea for a week and then they went to China. In China, they visited the Great Wall in Beijing. He stayed in Beijing for a few days and then they boarded a train for shanghai. It was an overnight train, with sleeping cars.到日本后，他們又去了韓國(guó)玩了一周，然后她們?nèi)チ酥袊?guó)。在中國(guó)，他們參觀了北京的長(zhǎng)城。他們?cè)诒本┐袅艘欢螘r(shí)間后，然后乘坐火車(chē)去了上海，這是一個(gè)夜班的列車(chē)，有床鋪。During the journey, they enjoyed looking out of the window at the countryside. The view from the train was wonderful. Harry will never forget watch the sun go down in the evening. It was a beautiful sunset. 在旅途中，他們非常享受窗外鄉(xiāng)村風(fēng)景?；疖?chē)外的風(fēng)景非常壯觀。哈利永遠(yuǎn)不會(huì)忘記傍晚時(shí)觀看日落的情形，那是一個(gè)美麗的晚霞。The journey to shanghai took many hours, but it was an unforgettable experience. On the train, he met a Chinese Professor who spoke English. He was middleage man, whose hair was turning grey. He told them about how things were changing in China. It was wonderful to watch him as he was speaking. His eyes were full of energy and excitement. They only stayed in shanghai for a couple of days. Then they returned to US and went back to school. They had one more years to finish their studies. 去上海的旅程花費(fèi)了個(gè)把小時(shí)，但是那是一個(gè)難忘的經(jīng)歷。在火車(chē)上，他們遇到一位會(huì)說(shuō)英文的中國(guó)教授，他是一個(gè)中年人，頭發(fā)已經(jīng)花白。他告訴他們中國(guó)正發(fā)生著的變化?？粗f(shuō)話(huà)非常有趣。他的眼神中充滿(mǎn)著能量和激情。他們只在上海呆了幾天，然后他們返回美國(guó)，回到學(xué)校，他們還有一年多完成他們的學(xué)業(yè)。Harry’s next new trips were to different parts of the world. They went to Europe twice, each time to different countries. On one trip, he travelled through the UK and France. On the next trip, he went Italy and Greece. After the Europe, he travelled to Mexico and south America. In south America, he went to Argentina and Brazil. He enjoyed watching some great soccer matches. Then he decided to go back to Asia. But this time, he went to southeast Asia. He visited Vietnam, Thailand and Singapore. Each country had a charm of its own. 哈利后面幾次旅行去了其他地方。他們?nèi)チ藲W洲兩次，每次都是不同的國(guó)家。在一次旅行去了英國(guó)和法國(guó)，下一次旅行中，他去了意大利和希臘。去玩歐洲以后，他們?nèi)チ四鞲绾湍厦乐?。在南美洲，他去了阿根廷和巴西。他非常享受于觀看偉大的足球比賽。After this travel, harry decided to make travel part of his career. He didn’t want to work only in the US. He didn’t work only with Americans. he wanted to experience other countries and other cultures. His dream was to work for international pany. 在這次旅行以后，哈利決定把旅行當(dāng)作他的職業(yè)。他不想只留在美國(guó)。他不想只和美國(guó)人工資。他想要體驗(yàn)其他的國(guó)家和文化。他的夢(mèng)想是為國(guó)際公司工作。5 years ago, his dream came true. Now he was working for a German hightech pany. As part of his job, he has to travel a lot. As a result, he has been to many cities and counties. And he has met many interesting people. 5年前，他的夢(mèng)想實(shí)現(xiàn)了，現(xiàn)在他正在一家德國(guó)高科技企業(yè)公司。作為他工作的一部分，他需要很多出差。因此，他去了很多城市、很多國(guó)家。他也認(rèn)識(shí)了很多有趣的人兒。L4 Unit 13 vocabulary 牙齒、人體器官 cavity ，洞。蛀牙，齲洞A dental cavity is a hole in the to