; there are many more than there were sixteen years ago. Р On the other side of the world, the grey whales of Baja California nearly disappeared during the last century. Fortunately, the US Marine Mammals Protection Act of 1972 saved them. The grey whales recovered quickly. Today there are perhaps 20,000 and these gentle giants are now worth far more alive than dead.Р Today, wildlife is good for the tourist trade. And tourism — provided it takes only pictures and leaves only footprints — is good for the national parks. If wildlife can always be treated in this way, animals can live and thrive in the world.РCР61. What’s the effective mercial the writer told about in the passage?Р62. The word in the passage which means “something given away at no charge” is______.Р63. What is Mobotron?
全文预览
