外研版九年级英语上册课件 Module 12 Save our world Unit 2 (共11张PPT).ppt

外研外研 九年级上九年级上objectiveTo learn to use the expressions:when shopping do withthrow away divide intochangeinto take steps to do sth.1.Do you take your own bag when shopping and not ask for a plastic bag?你买东西的时候拿着自己的袋子而不要你买东西的时候拿着自己的袋子而不要塑料袋吗？塑料袋吗？注意：注意：由由when,while等引导的时间状语等引导的时间状语从句，当主句的主语与从句的主语相同从句，当主句的主语与从句的主语相同且从句谓语动词含有且从句谓语动词含有 be 动词时，常省动词时，常省略从句的主语和略从句的主语和 be 动词。动词。1)Tim enjoys listening to his MP4 player while(he is)waiting for the school bus.Tim一边等校车一边等校车，一边听一边听MP4里的音乐里的音乐。2)While(you were)walking the dog,you were careless and it got loose and was hit by a car.在遛狗时，你不小心让狗挣脱了绳子，结果狗在遛狗时，你不小心让狗挣脱了绳子，结果狗被车撞了。被车撞了。句中的句中的 when shopping 实际上是实际上是 when you are shopping的省略的省略，其中其中when是连词是连词。2.And what do you do with the bottles when they are empty?你是怎么处理空瓶子的你是怎么处理空瓶子的？do with:对付对付；处理处理1)The teacher didnt know what to do with the naughty pupil教师不知道该怎样对待那个顽皮的学生教师不知道该怎样对待那个顽皮的学生。2)What should I do with this old computer?这台旧电脑怎么处理这台旧电脑怎么处理？3.Do you divide the waste into things to recycle and things to throw away？你把垃圾分为可回收和需丢弃的吗你把垃圾分为可回收和需丢弃的吗？throw away:扔掉、丢弃扔掉、丢弃。1)When are you going to throw away those old magazines?你打算什么时候扔掉那些旧杂志你打算什么时候扔掉那些旧杂志？2)I threw those trousers away years ago.多年前我就把那些裤子扔掉了多年前我就把那些裤子扔掉了。1)The book is divided into six sections.这本书分为六部分这本书分为六部分。2)Lucy divided the cake in/into four.露西把这块蛋糕分成了四块。露西把这块蛋糕分成了四块。divide:分开分开,强调把整体划分为若干部分强调把整体划分为若干部分。divideinto 把把分成分成注意注意:当当divide 后只有数词后只有数词,而无而无“部分部分”、“组组”、“队队”等词语时等词语时,也可与介词也可与介词in连连用用。4.Although it takes energy to change things into something else,it is better than throwing things away or burning them.虽然把一种东西变成另一种东西也会消耗虽然把一种东西变成另一种东西也会消耗能源，但是也比把它们扔掉或烧掉好。能源，但是也比把它们扔掉或烧掉好。changeinto 把把变成变成1)You cannot change iron into gold.你无法把铁变成金子。你无法把铁变成金子。2)With a wave of her magic wand,she changed the frog into a handsome prince.她魔杖一挥，把青蛙变成了英俊的王子。她魔杖一挥，把青蛙变成了英俊的王子。5.We cannot hope for rapid change,but lets take these simple steps today我们不能期待立竿见影的变化我们不能期待立竿见影的变化,但是今天但是今天就让我们从这些简单的措施开始吧就让我们从这些简单的措施开始吧step:可数名词可数名词,意为意为“措施、步骤措施、步骤”。take steps to do sth采取措施以达到某目的采取措施以达到某目的 1)We need to take some steps to reduce pollution.我们需要采取一些措施来减少污染。我们需要采取一些措施来减少污染。2)We should take steps to prevent war.我们应当采取措施制止战争。我们应当采取措施制止战争。1.Lets _ these old newspapers to make some decorations.Thats a good idea.2._ bags are bad for the environment for many reasons.3.Grandma has three _,including me.4.My weight _ from 65 kilos to 50 kilos in the past three months.5.When the PE lesson began,the children _ into four groups.grandsonshas reducedwere divided reusePlastic reuse plastic divide grandson reduce.用所给单词的适当形式填空。用所给单词的适当形式填空。.根据提示翻译句子。根据提示翻译句子。1.他们正在使沙漠变为农田。他们正在使沙漠变为农田。(change into)_2.我们一定要采取措施使这样的事不再发生。我们一定要采取措施使这样的事不再发生。(take steps)_ _3.电池能被回收，不要扔掉它们。电池能被回收，不要扔掉它们。(throw away)_ _They are changing desert into farmland.We must take steps to prevent this from happening again.Batteries can be recycled.Dont throw them away.