时教学ppt教学.pptx

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/2/3,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,by smell,by sound,by body language,the ways,the purposes,mad,sound,subject,mad,sound,subject,Scientists have discovered that even ants use smell.,)to seem to you when you hear or read about them,have always been,2 What have scientists done with mice so that they can help people?,for a long time,People have always been interested in animal communication.,Scientists have discovered that even ants use smell.,Dogs have helped the police for a long time,too.,How do they communicate?,since 7 years ago,an area of knowledge that is learned in a school,They have trained mice to find landmines.,Scientists have discovered that even ants use smell.,for a long time,)to seem to you when you hear or read about them,began in the past,Everyone has heard birds singing.,have always been,mad,sound,Scientists,have done a lot of research on,subject,(adj.)1.angry 2.crazy,1.(n.)something that you can hear 2.(v.)to seem to you when you hear or read about them,(n.)1.a thing that is discussed or studied 2.an area of knowledge that is learned in a school,Dictionary entries,have trained,have trained,People have always been interested in animal communication.,Everyone has heard birds singing.,have always been,Scientists have discovered that even ants use smell.,Can you answer these questions?,1 How do scientists study animal communication?,2 What have scientists done with mice so that they can help people?,3 Are people interested in animal communication now or for a long time?How do you know?,They have done a lot of research on this subject.,They have trained mice to find landmines.,People have always been interested in animal communication.,for a long time,Can you answer these questions?,They have done a lot of research on this subject.,They have trained mice to find landmines.,People have always been interested in animal communication.,for a long time,began in the past,began in the past,now,They have done a lot of research on this subject.,They have trained mice to find landmines.,People have always been interested in animal communication.,They have done a lot of research on this subject.,They have trained mice to find landmines.,People have always been interested in animal communication.,Find more sentences in the text.,have done,have trained,have always been,Dogs have helped the police for a long time,too.,Scientists have discovered that even ants use smell.,Everyone has heard birds singing.,Research has shown that many other animals use sound to communicate.,Animals have always used body language to communicate as well.,现在完成时,发生在过去，持续到现在或对现在有影响。,Scientists,have discovered,that even ants communicate this way.,Everyone,has heard,birds singing.,现在完成时,主语,+,助动词,+,过去分词,I/,You/We/They,He/She/It,_,_,_,_,learned,said,seen,been,has,have,have,has been,is,has bitten,barks,have found,take,since 7 years ago,1 She has always loved animals.,2 He has never had a pet.,3 Molly has been my pet for 10 years.,4 I have had a pet tortoise since I was ten years old.,Do you have any pets?,Have you ever watched an animal?,How do they communicate?,Homework,Please write down what you know about animal communication.,Thank you!,They have done a lot of research on this subject.,They have trained mice to find landmines.,People have always been interested in animal communication.,Find more sentences in the text.,have done,have trained,have always been,Do you have any pets?,Have you ever watched an animal?,How do they communicate?,Thank you!,