线性阶式函数发生器

The next day, the Aldens spent the morning painting the porch of the main house. While they worked, they spoke in low whispers. Its too bad Mabel is at the fund-raising breakfast right now, Jessie said. We have to tell her about the disappearing stai

发表于:2018-12-06 / 阅读(34) / 评论(0) 分类 85 Disappearing Staircase Myst

The Aldens tiptoed into the hallway behind Henry. They stood under the secret ceiling panel. Jessie beamed her flashlight upward. Hey look. Whoever was up here didnt close the panel all the way. Its hanging open partway. I think we can reach it from

发表于:2018-12-06 / 阅读(58) / 评论(0) 分类 85 Disappearing Staircase Myst

第一章 练习17:阶梯状语调的练习 Exercise 1-17 Staircase Intonation Practice Exercise 1-17: Staircase Intonation Practice Draw one step of the staircase for each word of the paragraph. Start a new staircase for every stressed word. There

发表于:2018-12-27 / 阅读(25) / 评论(0) 分类 美式英语正音训练

第一章 练习18:阶梯状语调的应用 Exercise 1-18 Reading with Staircase Intonation Exercise 1-18: Reading with Staircase Intonation Read the following with clear intonation where marked. Hello, my name is ______. I'm taking American Accent

发表于:2018-12-27 / 阅读(30) / 评论(0) 分类 美式英语正音训练

听广告学英语:RICHON Aficio Digital Multi-function System理光数码多功能系统 原文:Mary:Everybody calls me a multi-function secretary. One of her bosses (gives her a pad of paper):Mary, pick up this. Mary:Because I have to serve several bosses. Anothe

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 听广告学英语

66 神秘的彗星

发表于:2019-01-30 / 阅读(91) / 评论(0) 分类 科技之光