单词：wastewater treatment by algal growth
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A group in San Francisco is honoring former President G.W. Bush by proposing to name a new wastewater treatment plant after him. We hope that this will catch on nationwide, said activist Bill Maher. Every state should have a wastewater treatment plan
365个英语简短小故事
1. What is the main problem discussed in the conversation? A. extreme stress B. hair loss C. declining health 2. Based on the conversation, what is the most probable relationship between the speakers? A. old friends B. brother and sister C. colleague
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Wastewater Key to Sustaining Life The world population is growing rapidly and is expected to reach 9 billion by 2050. While efforts are underway to ensure theres enough food, one scientist is warning there may not be enough water. Professor Stanley G
VOA标准英语2012年(八月)
AILSA CHANG, HOST: The nation's epidemic of opioid abuse has created new opportunities for insurance fraud. Health care insurance pays for the costs of recovery. That's led to a boom in residential treatment programs for addicts, some of which use de
2017年NPR美国国家公共电台8月
34 过多服用雌性激素有可能引发卵巢癌 DATE=4-12-01 TITLE=SCIENCE REPORT -Estrogen and Ovarian Cancer BYLINE=Mario Ritter (Start at 1'00
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Researchers have stumbled across what may turn out to be a miracle（奇迹） treatment for hair loss in humans. The scientists were investigating how stress affects the digestive system when they made the discovery. The team at the University of Ca
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