UNIT 5 HUMANS AND NATURE Section Ⅴ Lesson 3-【精讲精练】2023-2024学年英语必修第二册北师大版(课时作业)

学科网书城 品牌书店·知名教辅·正版资源 b.zxxk.com☐ 您身边的互联网+教辅专家 层级②素养能力提升 1阅读理解 A Every summer,the Serengeti plains (of Africa are worth visiting Millions of wild animals begin their 1,800 mile journey northwards on their annual migratory route. In the month of November,polar bears in their thousands cross the Canadian Arctic,as they head towards the ice sheets of Hudson Bay.The sea ice that forms every winter is the key to the bear's managing to exist,for here they hunt for seals () The Great Bustard,one of the heaviest flying birds,migrates each year across Europe and Asia to its wintering grounds.Unluckily,these and other migratory animals are in danger from human activity. Since 1979,ice sheets in the Arctic have gone down by 30 percent.What does this mean for polar bears?They are forced to stay on land for longer periods of time,which delays their search for food.As a result,bears today are 60 pounds lighter than what they were.Besides,smaller bears also produce weaker babies,and their chances of survival are at risk In the plains of Africa, migratory animals like gazelles are traveling long distances for food,just to avoid falling prey to humans who hunt them. In an unusual step,experts from 120 countries have agreed to protect 31 migratory mammals,fish and birds.The United Nation's 11th annual Conservation of Migratory Species of Wild Animals(CMS)was held in Quito,Ecuador.For the first time,900 experts attended the conference,and the enthusiastic support shows the world is united in conservation (efforts. What does getting on a protected list mean?Countries that have signed the agreement will be required to pass laws locally and work with other countries that fall within the animal's migratory path Only one animal did not make the list The African lion was rejected (for lack of information of the countries where it lives. [语篇解读]本文是一篇说明文。文章介绍了野生动物在迁徙途中遭受人类的捕杀或受 到人类活动的影响导致数量急剧下降，在联合国第11届野生动物迁徙物种年度保护大会上， 专家们呼吁世界各国联合起来保护迁徙物种。 1.What can we learn from the passage? A.The Great Bust