un. 递减单位效用收费法
[网络] 递减单位收费法

Unit 10 Making telephone calls Giving a phone call: Can I make a phone call? I want to make a lone distance call. Is this John? Is that John? Is Doctor Jamson ,please? Hello, May I speak to Mr. Green? May I have Mr. Green, please? May I take to Mr.

发表于:2018-11-27 / 阅读(308) / 评论(0) 分类 从ABC到流利口语

Dialog 1 Hi, welcome to the Diamonds Store. How can I help you? I'm looking for any engagement ring for my girlfriend. what type of cut do you like for the diamond? I want a round stone in the centre, but I would also like some baguets on both sides

发表于:2018-12-03 / 阅读(142) / 评论(0) 分类 英语会话速成

[00:02.93]Dialogue [00:04.91]Language Function: [00:07.92]Expressing Complaints about Traffic. [00:12.20]A:I'm aching all over. [00:16.38]B:Have you had an accident? [00:19.70]A:No, but I was jammed in a crowded bus for hours. [00:25.89]B:Yes, the tr

发表于:2018-12-04 / 阅读(226) / 评论(0) 分类 高中英语上外版一年级

Lesson Five TEXT A Angels on a Pin Alexander Calandra Pre-class Work I Read the text once for the main idea. Do not refer to the notes, dictionaries and the glossary yet. Some time ago, I received a c

发表于:2018-12-04 / 阅读(175) / 评论(0) 分类 现代大学英语精读

[00:00.00]unit 19 Money [00:04.70]2 Borrowing money [00:10.95]Have you got time for a coffee? [00:15.10]Yes,OK.Where do you want to go? [00:19.77]How about that place on the corner? [00:24.14]Yes,fine.Oh no! [00:28.50]What's the matter? [00:31.56]Oh,

发表于:2018-12-04 / 阅读(133) / 评论(0) 分类 创新国际英语教程 学生用书 1

UNIT 5 TEXT As the author points out below, the success of science has less to do with a particular method than with an essential attitude of the scientist. This attitude is essentially one of inquiry

发表于:2018-12-04 / 阅读(227) / 评论(0) 分类 大学英语精读第五册

1.有趣的漫画 Which one do you like? asked Mom, 你喜欢哪一个,妈妈问, The apple or the banana? 苹果还是香蕉? I like both of them, said Jack. 我两个都喜欢,杰克说。 Which one do you like? asked Mom, Milk or orange ju

发表于:2018-12-06 / 阅读(137) / 评论(0) 分类 Sight Word Kids 幼儿英语常见字4B

[00:01.61]Why? [00:02.55]Because the alligators live in holes [00:04.46]that damage the farmland. [00:06.04]That's the reason why they are killed. [00:07.72]What can be done? [00:09.30]Well, our government is developing [00:10.96]a conservation plan

发表于:2018-12-13 / 阅读(151) / 评论(0) 分类 北师大版高中英语模块8(选修)

[00:03.08]1. He's your brother,isn't he? [00:07.63]A Let's read [00:11.99]One evening last week, [00:15.96]Anne went to a shop to buy something for her mother. [00:21.11]Ken went with her. [00:24.66]While she was in the shop, [00:28.32]Ken was waitin

发表于:2018-12-13 / 阅读(272) / 评论(0) 分类 初中英语(深圳&香港文达版)第五册

UNIT5 convey vt.表达;运载 advertise vi.登广告;做广告 vt.为做广告;宣传;通知 advertiser n.登广告的人 brand n.商标;牌子 consideration n.考虑;体贴 takeinto consideration 考虑某事物 charge n.主管;充电(气);价钱;控告 in charge (of) 处于控制或支

发表于:2018-12-13 / 阅读(241) / 评论(0) 分类 高三单词

00:04.70]2 Borrowing money [00:10.95]Have you got time for a coffee? [00:15.10]Yes,OK.Where do you want to go? [00:19.77]How about that place on the corner? [00:24.14]Yes,fine.Oh no! [00:28.50]What's the matter? [00:31.56]Oh,I've just realised I've l

发表于:2018-12-13 / 阅读(296) / 评论(0) 分类 创新英语教程第一册

The use of new materials could reduce unit cost by 10%. 利用新原料可以使单位成本降低10%。 The use of new materials could reduce unit cost by 10%. 利用新原料可以使单位成本降低10%。 Maybe that's a good method. 也许这是个

发表于:2018-12-18 / 阅读(113) / 评论(0) 分类 玩转商务英语900句

[00:03.68]CONVERSATION 2 [00:08.72]COULD YOU CHANGE MY ROOM? [00:12.98]Guest: Excuse me. [00:17.35]Clerk: Yes? What can I do for you? [00:21.71]Guest: I just checked in, and there's a problem with my room. [00:27.38]Clerk: And what is the problem? [0

发表于:2018-12-25 / 阅读(194) / 评论(0) 分类 新英语交谈注释版

UNIT 40 Dialogue One M: Mary, where is the good place to get your haircut? W: I always go to Jane. She works at beauty. M: Does she do a good job? W: I think so. I've gone to her for two years. M: OK, will you give me her number? W: It's 2734365. Te

发表于:2018-12-26 / 阅读(106) / 评论(0) 分类 英语会话速成

[00:01.13]Unit 10 Jobs and Chores [00:06.02]Lesson 37 [00:07.80]1.1 a.They have just received a letter. [00:15.03]b.He has just borrowed a book from the library. [00:20.72]c.We have just finished eating all the food. [00:29.13]1.4 Where were you just

发表于:2018-12-29 / 阅读(223) / 评论(0) 分类 北师大版初中英语八年级下

Unit 4 Science and Technology In-Class Reading Too Fast? 1 People who were born just before World War I remember waving at automobiles as they passed. Seeing a car was like watching a parade-exciting

发表于:2018-12-29 / 阅读(102) / 评论(0) 分类 新编大学英语阅读部分

Lesson 111 Trade 1.International trade is important to us. 2.The United States has much trade with foreign countries. 3.Trade between the two countries is declining. 4.The country earns most of its income from the tourist trade. 5.Trade is always goo

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛口语初级版

Unit 24 Fill it up 第24课 加油 A: What'll it be today, sir? 服务人员:先生,您今天要加什么油? D: Fill it up. Super Unleaded. 司机:高级无铅汽油,加满。 A: Shall we check your oil and tires? 服务人员:需要我们

发表于:2019-01-14 / 阅读(210) / 评论(0) 分类 购物英语口语一本通

unit 528 预约看房(1) dialogue 英语情景对话 A:A friend told me I might find a room here. A:有个朋友告诉我我可以在这里租房。 B:Yes. I'll have a room free next week. B:是的。下周我这里会有一个房间可租。 A:W

发表于:2019-01-21 / 阅读(300) / 评论(0) 分类 高频英语口语对话

unit 254 饭店结账(2) dialogue 英语情景对话 A:May I have the bill, please? A:请给我结账好吗? B:Here is it. B:这是账单。 A:How much altogether? A:总共多少钱? B:The total amount is $ 185.00. B:共计185美元。 A:Does

发表于:2019-01-21 / 阅读(659) / 评论(0) 分类 高频英语口语对话