新视野大学英语视听说教程2第三版BOOK3 UNIT7.pptx

;;Learning objectives; 1; 1; 1; 2;Sharing;Sharing;Listening to the world;4;Sharing;1 ;1 ?Would you describe yourself as a practical person?;2 ?What kinds of problems are you good at / not so good at solving?;3 ?If you could have one “super power”, what would it be and why?;Sharing;1;1;1;Listening;Listening;Listening;3;4;5;Listening to the world;Sharing; 1;Viewing;2;Viewing;We all know that polar bears are facing great threats. It is on the Arctic ice that polar bears make their living, but now they spend far more time at sea than they do on land due to global warming, a serious threat to their well-being. Climate change has reduced sea ice in the Arctic to record lows. For polar bears, this is a critical issue. Studies show that two thirds of polar bears will disappear by 2050. ;Then, can we do something now to change the situation and help polar bears? Yes, we can! We can establish worldwide organizations and enforce laws to deal with environmental problems that might lead to global warming. We can also set up natural reserves for polar bears so that they can have ideal habitats to feed and give birth, without the interference from humans.;We should also keep oil drilling out of the Arctic and protect the polar bears’ home because we know many big oil companies want to start drilling in the Arctic for oil, putting the polar bears’ fragile habitats at even greater risk. We should also, of course, ban the hunting of polar bears, and try to monitor, track, and punish illegal polar bear trade.;In addition, we can make full use of television programs in promoting people’s awareness of environmental issues. We should also let the public know better about polar bears and what threats they are facing. I think we can greatly improve the situation if everyone of us is clear about what we should do for polar bears!;Viewing;Role-play;Role-play;Role-play;Role-play;Speaking for communication;Role-play;Role-play;Role-play;Role-play;Group discussion;Group discussion;