单词:water quality analysis
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我来介绍一下 I'd like to introduce... A:Mr.Zhang,I'd like to introduce our director Mr.William White. B:I'm very glad to meet you. C:It's a pleasure to meet you. 你将接替我的工作。 You will be my replacement. = You will take over my po
必背句型: A:The federal government promulgated the Clean Water Act and the Clean Air Act. 联邦政府颁布了《水清洁法》和《空气清洁法》。 B:When did the federal government promulgate them? 什么时候颁发的? The federal g
Scientists say the notoriously dry continent of Africa is sitting on(1) a vast reservoir of groundwater. They say that the total volume of water in aquifers underground is 100 times the amount found on the surface. The British Geological Survey and t
On average, every hour of every day more than 40 people drown around the world. Thats 372,000 fatalities annually. Drownings are one of the top 10 killers of kids and young adults, with the highest rate of drowning deaths among children under five ye
AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d
Want To Sleep Better, Find A Good Mate Women's Sleep Habits Linked to Love In unsurprising news, women in bad relationships have a poorer quality of sleep. Of course, maybe all these women date men who snore. A study conducted by Wendy M. Troxel, PhD