单词:electrical efficienc
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听广告学英语:Welcome Electrical Machines惠康电器 原文:Welcome presents you a state-of-the-art offer with a Tamashi home entertainment range. Designed in Europe with advanced Japanese technology, Tamashi combines good-look with technical know how. C
凝聚摇滚真情与独到观点的先锋劲旅U2 称霸欧洲15国冠军精选大碟中直击英国金榜TOP 5 意境凄美耐人寻味的摇滚精品 歌手:U2 U2 - Electrical Storm The sea is swells like a sore head and the night it is aching Two lovers lie with no sheets on their bed and the
By Art Chimes San Francisco 16 February 2007 One of the world's largest annual science conferences has opened in San Francisco. VOA's Art Chimes reports that this year's theme links science and a sustainable world. The head of the group sponsoring th
[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0
By Mil Arcega Washington 09 April 2007 Watch Boeing Fuel Efficient Jets Boeing 787, Fuel Efficient Jets After years of lagging behind European rival Airbus, Boeing says 2007 is shaping up to be a very good year. The Chicago based airplane manufacture
17 What did people once think about lightning? [A] It was a natural phenomenon [B] It was a weapon [C] It came from the God 18What did Benjamin Franklin invent in 1752? [A] The first fishing rod [B] The first lightning rod [C] Lightning 19Which of th