Unit 2 Saving the EarthTopic 3What can we do at home to protect the environment? Section A 课件课件 1Kinds of pollution:air pollution water pollution noise pollutionlittersoil pollutionlight pollutionThe air smells terrible.The flowers and grass have gone! The water is dirty. We must do something to protect the environment! What should we do or shouldnt do ?List some of them in groups.The three Rs are important.( three Rs reduce, reuse and recycle ) rrr+=three Rs You try! You can!Journalist: So what kind of things can we do at home to protect the environment?Jane: We should . For example, We should and .Journalist: What can students do at school?Jane: I think recycling can not only protect the environment but also save money. So we encourage students to . Then we sort them so that they can be recycled.Journalist: Its nice of you to do that. Thank you!Jane: Its a pleasure. .reduce the waste we produceuse both sides of paper collect waste paper and soft drink cansEveryone is supposed to do soreuse plastic bagsBrainstormWork aloneFill in the blanks according to 1a.1. The journalist is _Jane about _.2. Janes main job is _ _3. We should use_ and reuse _ at home.4. At school, students can collect waste paper and _.5. Recycling is an excellent way not only to _but also to _.interviewingenvironment protection to help spread the message about protecting the environment.both sides of paperplastic bagssoft drink cansprotect the environmentsave moneyTestTest654321Choose the pictures to get your questions.连词 or, and, but 和 while的用法 or 否则的话 and 并且,而且 but 但是,表示转折 while 而, 然而 强调对比Noise is a kind of pollution.Its harmful to our hearing.Join the sentences with or, and, but or while.Noise is a kind of pollution and its harmful to our hearing.homeShe was busy cooking.They were watching TV.Join the sentences with or, and, but or while.She was busy cooking while they wereWatching TV. homeHe has failed several times .He never gives up.Join the sentences with or, and, but or while.He has failed several times but he never gives up. homeSome things we have done are good for the earth.Some are bad.Join the sentences with or, and, but or while.Some things we have done are good for the earth while some are bad.homeThe earth is beautiful.People are hurting the earth now.Join the sentences with or, and, but or while.The earth is beautiful but people are hurting the earth now. homeHurry up.You will miss the bus.Join the sentences with or, and, but or while.Hurry up or you will miss the bus. home连词 or, and, but 和 while的用法-Jane, would you like to go shopping with me?-Id like to, and _-Jane, would you like to go shopping with me?-Id like to, but _A I have a lot of homework to do.B I also want to buy some clothes. B A 连词 or, and, but 和 while的用法 Lucas, get up or you will.Mike, work hard and you will .Nodding the head means agreement.Shaking the head means disagreement.Join the sentences with or, and, but or while.Nodding the head means agreement whilewhileshaking the head means disagreement. Noise is a kind of pollution.Its harmful to our hearing.Join the sentences with or, and, but or while.Noise is a kind of pollution and its harmfulto our hearing. Key pointsKey points1. So we encourage students to collect waste paper and soft drink cans.于是我们鼓励学生收集废纸和易拉罐。encourage sb to do sth 鼓励某人做某事鼓励某人做某事My mom often encourages me to study hard.政府鼓励人们多种树。政府鼓励人们多种树。The government encourages people to plant more trees.派生词：派生词：courage n. 勇气勇气妈妈经常鼓励我努力学习妈妈经常鼓励我努力学习.2. Its nice of you to do that.你做这件事情真是太好了。当表语形容词是说明不定式的逻辑主语sb 的特征时，用of；Its very kind of youyou to help me with my English.当表语形容词是说明不定式的特征时要用for,Its very important for us to keep fitkeep fit。3. Everyone is supposed to do so.每个人都有义务这样做。be supposed to do sth. 应该，应当做某事You were supposed to be here an hour ago.我们应该保护野生动物和多种树。We are supposed to care for wild animals and plant more trees.你本该一小时前就到这里。HomeworkHomework1.Finish Activity 3.2.Talk something about how to protect our environment. Thank you!Thank you!Thank you!Thank you!