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VOA慢速英语2011--How to Make Your Own Solar Water Heater

Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design

发表于:2018-12-16 / 阅读(59) / 评论(0)

2011年VOA慢速英语(四)月

DEVELOPMENT REPORT – How to Make a Solar Water Heater

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(60) / 评论(0)

农业与发展

VOA慢速英语 Development Report - Making a Solar Water Heater

This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The

发表于:2019-01-11 / 阅读(63) / 评论(0)

VOA慢速英语2009年（四）月

AS IT IS 2015-12-19 Take a Holiday Walk Through Washington

AS IT IS 2015-12-19 Take a Holiday Walk Through Washington Cant get to Washington, D.C. for the holidays? Luckily, we did the walking for you. Lets head out on this holiday tour. The National Botanic Garden is a living plant museum, designed to show

发表于:2019-01-12 / 阅读(38) / 评论(0)

2015年VOA慢速英语(十二)月

托福听力单句训练附答案:第81期

听力题目： 1. (A). I forgot my train ticket as well as my passport. (B). Luckily I brought my ticket with me. (C). I thought my passport was my ticket. (D). I didnt know I needed a passport. 2. (A). He was wearing his jacket to keep warm. (B). H

发表于:2019-01-18 / 阅读(81) / 评论(0)

托福听力单句训练

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I'll get right on it .我现在就去办。 I'm busy with writing the year-end report. I forgot to buy the Christmas cards. Ill get right on it.刚才我忙着写年终总结，忘了买圣诞卡。我这就去办。 Yes, you should get right on it .是

发表于:2019-02-26 / 阅读(62) / 评论(0)

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Archimedean vector lattice

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