| (4月22日)
Shark Diving and Feeding Raises Concerns..
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| [VOA听力]On SCIENCE IN THE NEWS: Supporters say it helps the public understand how important sharks are to the environment. Opponents say shark diving that involves feeding can make the animals aggressive.
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| (4月16日)
Fighting a food crisis
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| [VOA听力]Fighting a Food Crisis That Threatens to Spread Hunger and Unrest
High grain prices are hitting the poor the hardest, and leading to protests and riots in the developing world. |
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