高中英语m 5 unit 2 学案必修课5

M5 Unit 2 The environment 学案 Period 1 Welcome to the unitSharing information.Discuss the pictures with the partners on Page 21. Picture 1:Litter Picture2:Air pollution Picture 3:DeforestationPicture 4:Water pollutionPicture 5:SandstormPicture 6:Forest fireLanguage focus ▲survival n.存；存活；幸存His only chance of survival was a heart transplant.Exporting is necessary for our economic survival.survive v. 生存；存活；比……长命 survivor n.幸存者；生还者The old man survived all his children.▲ think of 想起，想出；考虑，关心；想一想；（与 could, should ,never as等连用）有……的看法（或想法）；对……某种看法；把……看作He thought more of others than of himself.Think of the past and you’ll see what a happy life we are having now.He would never think of giving up this project.I think of him as my best friend.[短语链接]think about 考虑 think over 仔细考虑 think twice 重新考虑I never thought twice that smoking had such a bad effect on my life.我从来没有多想吸烟会对我的生活有这么坏的影响。1.Preview Reading on Page 22.2.Do Activity C2 Page 24.Period 2 ReadingLanguage focus 1.Then we will open the floor for discussion .之后我们将展开自由讨论。(Page 22 line 8) 1▲floor n.发言权Have/get the floor 取得发言权 take the floor 发言He didn’t get the floor.At last the chairman took the floor.2.If you have any questions or comments, you can use this time to voice them.(Page 22 line8-9)如果大家有任何疑问或评论，可以利用这段时间来提问或发表见解。▲vioce v. 表达,吐露A spokesman voiced the workers’ dissatisfaction . 发言人表达了工人们的不满情绪。Before this new plan comes into effect, we would like to hear the voice of the workers.3.I am talking to you today about the way large areas of the world are damaged by industrial waste.我今天跟大家谈谈世界上大片区域怎样...