应用型大学英语视听说教程答案unit3.doc

Submitted: 2012-3-1 16:21:06 (Thursday) Score: 0.00% A. Look and listen Look at the pictures about various environmental problems. Listen to the statements and fill in the blanks with the words in the list. forests polluted overpopulated hunting animals sports millions billion melting drinking greenhouse protection activities population 1. The Earth is ?(overpopulated). There are over 6 ?(billion) people in the world. 2. Many rivers and lakes are seriously ?(polluted). More and more people are ?(drinking ) dirty water. 3. ?(Millions ) of trees are cut down each year. The Earth is covered by fewer and fewer ?(forests). 4. Due to the ?(greenhouse ) effect, the ice in the Atlantic and Antarctic is ?(melting). In a century, several countries and many cities will be covered by water. 5. Illegal ?(hunting ) still exists. Because of human ?(activities), many species have disappeared, and more will disappear in the near future. B. Ask and answer the questions Ask and answer the following questions with a partner. 1. What kinds of environmental problems do you think we have? Your answer： Reference answer：?There is water, air, and noise pollution. / The Earth is becoming warmer. There are more and more people and the Earth is becoming more crowded. 2. What is the cause of these problems? Your answer： Reference answer：?The problems are caused by industrial development / the invention of automobiles. 3. What can we do to solve these problems? Your answer： Reference answer：?We should stop dumping waste into rivers and lakes. / Laws should be established to regulate human behavior. Submitted: 2012-3-1 16:21:26 (Thursday) Score: 0.00% Section One Listen for pronunciation skills A. Listen and practice Listen to the following statements and mark the stressed words. 1. Mary painted her living room blue. ?(living room ) ? Mary painted her living room blue. ?(Mary ) ? Mary painted her living room blue. ?(her ) ? Mary painted her living room blue. ?(pa