2022年12月大学英语六级听力VOA慢速英语(32).docx

2022年12月大学英语六级听力VOA慢速英语(32)
Every city has its problems, and hopefully is always looking for unique ways to solve them. the oysters to help them thrive, and it will also help filter out toxins and dirt and other things in the water.“


A high school team decided to tackle a different problem in Baltimore: more than 16,000 abandoned homes.
“We wanted to convert abandoned row houses into greenhouses,“ said Natasha Dada, “that would serve as community gardens and also would produce food for homeless shelters and soup kitchens in the area.“
Thinking outside the box
The Digital Harbor Foundation, which sponsors youth technology programs, hosts FabSlam.
“The purpose of FabSlam is to give kids a chance to experiment with creative problem-solving,“ said Shawn Grimes, the Foundation”s Technology Director. “So we present a challenge to them that”s very open, very vague, and we give them an opportunity to come up with their own solution to their own problem that they identify within that sort of constraint.“
The teams had six weeks to get everything done — from identifying a problem and doing research, and designing and developing a prototype or a product using a 3-D printer and other digital manufacturing techniques.