非线性最小平方法

[00:00.00]Module 1 WELCOME BACK! [00:04.25]UNIT 2 Today is our first day at school [00:09.33]after the holidays [00:12.08]1 Listen and read.Then answer. [00:17.98]Dear Mary, [00:19.50]How are you? [00:21.09]What's the weather like in Canada now? [00:

发表于:2018-12-04 / 阅读(65) / 评论(0) 分类 外研社新标准初中英语八年级

[00:00.00]I was late for school today.我今天上学迟到了。 [00:02.77]Why? What happened?为什么?发生了什么事? [00:04.99]I took the bus. There was a road accident,我坐的公交车。发生了一起道路交通事故, [00:08.44]and t

发表于:2018-12-13 / 阅读(25) / 评论(0) 分类 外研社新标准初中英语八年级上(2013版)

[00:00.00]Lesson Eight.For this lesson,you need a pencil and a piece of paper. [00:07.68]In this lesson,we talk about a city and some useful places in the city. [00:28.13]Right now,let's practice the names of those places.Please repeat after me. [00:

发表于:2018-12-25 / 阅读(157) / 评论(0) 分类 洪恩环境英语

[ti:UNIT 6 Let's Go! Lesson 42: Let's Go to the City!] [00:01.68]UNIT 6 第六单元 [00:03.52]Let's Go! 我们出发吧! [00:05.81]Lesson 42: 第42课: [00:07.92]Let's Go to the City! 我们去城里吧! [00:11.03]1. [00:12.39]What is it? 它是

发表于:2019-01-09 / 阅读(170) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

China's Hotel Expansion Creates Huge Demand for Qualified Workers Learning how to dress appropriately is one of the most basic lessons at the Beijing Hospitality Institute. Although the tuition is much higher than at other colleges, students like Can

发表于:2019-01-11 / 阅读(41) / 评论(0) 分类 VOA标准英语2012年(四月)

四、其他词组和固定搭配 above all 首先,尤其是 after all 终究,毕竟,究竟 at all [用于否定句]丝毫,一点 all but 几乎,差不多;除了…都 all over 遍及,到处

发表于:2019-02-03 / 阅读(35) / 评论(0) 分类 英文语法词汇