I am sure there are no UFOs八上仁爱版英unit 4 topic 2 i am sure there are no ufos section b教学案例the main activities are 1 a and 2. 本课重点活动是1a和2。. teaching aims and demands 教学目标1. learn some useful words and expressions:toward(s), plate, planet, information, mistake for , object, balloon, call for, wake, wake up, real2. go on learning to express certainty and uncertainty (be sure/be not sure) and review past continuous tense:(1)a ufo flew over my head while i was walking toward the bus stop yesterday.(2)im quite sure there are ufos. (3)im not so sure. even scientists arent sure whether there are ufos.(4)im sure there are no ufos.(5)im not sure whether/if ro bots will make humans lose their jobs.(6)while jim was sleeping, he saw a ufo flying over his head. teaching aids 教具录音机/图片/小黑板. five-finger teaching plan 五指教学方案 step 1 review 第一步 复习(时间:分钟)1. (猜谜游戏：复习过去进行时和肯定与不肯定句式的用法。) (把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上im sure./im quite sure./im not sure.练习之后，以小组为单位在台前表演。)(教师找两位学生帮忙，做出示范。s1写出动作。) t: what was s1 doing at this time yesterday? s2:she was watching tv. t: are you sure? s2:yes, im quite sure.来源:学科网zxxk s1:yes, i was watching tv at that time. (小组练习完之后，找几组学生表演。)2. (检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课。)t: im sure you were searching for the information about robots and ufos last night. please give a report about it.3. (教师从报纸、杂志、网上找一些ufo的图片，导入新课。) t: (出示图片)you have known much about robots and ufos. i have some pictures here. look at these pictures. what are these? ss:they are ufos. (板书)ufo t: what do the ufos look like? ss:they look like plates. (板书)plate t: im not sure whether there are ufos. are you sure there are ufos, s3? (板书并帮助学生理解表达不确定的句式。)im not sure whether/if there are ufos. s3:yes, im quite sure. t: what about you, s4? s4:im not sure whether there are ufos. t: im not sure, either. because there are no living things on other planets. (板书)planet t: the earth is a planet. mars(火星) is a planet, too.step 2 presentation 第二步 呈现(时间:8分钟)1.(设置听力任务，播放1a录音。) t: most of us are not sure whether there are ufos. but jane saw a ufo yesterday. is there really a ufo? theyre talking about it. now listen to 1a and answer the following question:32019-10-14八上仁爱版英unit 4 topic 2 i am sure there are no ufos section b教学案例the main activities are 1 a and 2. 本课重点活动是1a和2。. teaching aims and demands 教学目标1. learn some useful words and expressions:toward(s), plate, planet, information, mistake for , object, balloon, call for, wake, wake up, real2. go on learning to express certainty and uncertainty (be sure/be not sure) and review past continuous tense:(1)a ufo flew over my head while i was walking toward the bus stop yesterday.(2)im quite sure there are ufos. (3)im not so sure. even scientists arent sure whether there are ufos.(4)im sure there are no ufos.(5)im not sure whether/if ro bots will make humans lose their jobs.(6)while jim was sleeping, he saw a ufo flying over his head. teaching aids 教具录音机/图片/小黑板. five-finger teaching plan 五指教学方案 step 1 review 第一步 复习(时间:分钟)1. (猜谜游戏：复习过去进行时和肯定与不肯定句式的用法。) (把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上im sure./im quite sure./im not sure.练习之后，以小组为单位在台前表演。)(教师找两位学生帮忙，做出示范。s1写出动作。) t: what was s1 doing at this time yesterday? s2:she was watching tv. t: are you sure? s2:yes, im quite sure.来源:学科网zxxk s1:yes, i was watching tv at that time. (小组练习完之后，找几组学生表演。)2. (检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课。)t: im sure you were searching for the information about robots and ufos last night. please give a report about it.3. (教师从报纸、杂志、网上找一些ufo的图片，导入新课。) t: (出示图片)you have known much about robots and ufos. i have some pictures here. look at these pictures. what are these? ss:they are ufos. (板书)ufo t: what do the ufos look like? ss:they look like plates. (板书)plate t: im not sure whether there are ufos. are you sure there are ufos, s3? (板书并帮助学生理解表达不确定的句式。)im not sure whether/if there are ufos. s3:yes, im quite sure. t: what about you, s4? s4:im not sure whether there are ufos. t: im not sure, either. because there are no living things on other planets. (板书)planet t: the earth is a planet. mars(火星) is a planet, too.step 2 presentation 第二步 呈现(时间:8分钟)1.(设置听力任务，播放1a录音。) t: most of us are not sure whether there are ufos. but jane saw a ufo yesterday. is there really a ufo? theyre talking about it. now listen to 1a and answer the following question:32019-10-14八上仁爱版英unit 4 topic 2 i am sure there are no ufos section b教学案例the main activities are 1 a and 2. 本课重点活动是1a和2。. teaching aims and demands 教学目标1. learn some useful words and expressions:toward(s), plate, planet, information, mistake for , object, balloon, call for, wake, wake up, real2. go on learning to express certainty and uncertainty (be sure/be not sure) and review past continuous tense:(1)a ufo flew over my head while i was walking toward the bus stop yesterday.(2)im quite sure there are ufos. (3)im not