1、Unit2 Topic2 SectionA Important and difficult points 1.Master thenew words and phrases 2.Practise the students abilities of listening, speaking and writing. Step1:Teaching aims（教学目标）（教学目标） Knowledge aims: 1.Master thenew words and phrases 2.Practise the students abilities of listening, speaking and
2、writing. Emotional aims: Use the proper ways to protect the environment. Step2:Work alone(自主探究自主探究) (一)汉译英 1.多糟糕的天气啊！2.沿街而行 3.我什么也看不见。4.听到这很抱歉。 5.太多的树6.结果 7.阻止某人做8.对有害的 9.把吹走、冲走10.各种各样 11.形成12.消失，灭绝 （二）Listening practice A.Listen to the passage and circle the phrases you hear. B. Listen again and fi
3、ll in the blanks. 1. Now some kinds of animals are becoming _ _ _. 2. Some animals are_ _ _dying out completely. 3. In the past, pandas lived a quiet life and had _ _food. 4. Humans have _ _ _ the importance of protecting animals. 5. We should _ _ _to protect them. (三)look at the video.Answer the qu
4、estions 1.Whats the weather like today ? Its bad. The wind is so strong .And the sand really hurts face. 2.What causes these sandstorms ? People have cut down too many trees. As a result, a lot of rich land has changed into desert. 3.Do we still need to do something to protect the environment ? Yes,
5、 we do.Although we have built “The Green Great Wall”, we still need to do something to protect the environment . Step3: Group work(小组学习小组学习) 1.Talk about the meaning of the dialogue 1a. 2.Find out the difficult points. 3.Finish 1b and 1c. Step4: Class work(集体学习集体学习) Kang: 多 糟 糕 的 天 气The wind is so 强
6、 And the sand really 伤害，打疼 my face. While I walkdown the street just now, 我什么也看不到 Maria: I m sorry to hear that. What 导致these sandstorms? Jane: People have砍倒太多的树.结 果, a lot of rich land has changed into desert. Maria: Thats bad. How can that 影响the weather? Jane: Trees can stop the wind from blowthe
7、earth away. Kang:And a lot of water can be saved by forests. Jane: They can also stop the water from washthe earth away. Kang: cutdown trees 对有害human beings, animals and plants. 尽管we have built “The Green Gret Wall”, we still need to do something protectthe environment. Step5: Exercise(达标训练达标训练) 1.P
8、eople have cut down such a large number of trees that the land _desert. 2.There are fewer trees left, so the wind always _ the earth _. 3.Air pollution has become a serious problem, so we must _ to reduce it. 4.we should try our best to _ people _ cutting down the trees. 5.In the future, human being
9、s can protect the trees well. _, animals will live a happy life in the forest. Step6: Written practice(写作练习写作练习) 提示：环保对每个人来说都很重要。作为学生，我们可以做许多事情 来保护环境。例如说：使用纸的两面；重新使用塑料袋；鼓励学生收 集废纸和饮料瓶；多植树；不乱扔垃圾等等。可以分三段来写。 Step7: Homework(家庭作业）家庭作业） Read 1a. Memorize the useful expressionsand key sentences which we learn today. Finish SectionAin your workbook. Preview Section B.
