重庆大学版高二英语Book 6 unit1 阅读 课件(共32张PPT)

With your support, we can make WED the biggest global celebration of environmental action! How much do you know about water? 1 4 2 5 3 By the time a person feels thirsty, his or her body has lost over 1% of its total water amount. True! About 90% of the huge amount water on earth is sea water. False! 97% Nearly 60% of the earth’s surface is covered with water. False! 75% A healthy person can drink about three gallons (48 cups) of water per day. True! We should drink water only when we feel thirsty. False! We should drink water constantly even though we do not feel thirsty. Water sea/salt water fresh water 97% 3% Look at the following pictures and then write a title for each of them on the given line. drought  [draut] desertification   air pollution Is it necessary for us to focus our attention on the environmental problems? Why? List your reasons here. Please talk about the following questions in pairs. Scan the coming two passages and choose one title for each of