perishable:易腐的、容易变质的;perishable products like apples
one of a kind:独一无二的;paintings in an art gallery
impractical:不实用的、不合理的;it doesn't make sense = impractical
hover:悬停;hovering birds
第一篇:虽然消费者通常关心价格,但讲座真正讲的是 situations where consumers are less concerned about price。
paintings in an art gallery → because they're one of a kind and can't be found anywhere else。
纠错重点
{"passage": "第一篇:商业课定价", "question": "第1题主旨", "studentMistake": "初听选 A,重听后选 D,均未抓住转折后的核心。", "correction": "主旨应选“消费者在某些情境下不太在意价格,卖家可以定更高价”。关键句是 “But there are actually some situations where consumers tend to be less concerned about price... they can charge higher prices for their products.”", "sourceQuote": "“But there are actually some situations where consumers tend to be less concerned about price and are willing to buy things even though they aren't cheap.”"}
{"passage": "第一篇:商业课定价", "question": "第3题 art gallery 例子", "studentMistake": "初听选 A,重听后选 D。", "correction": "核心依据是 paintings are one of a kind and can't be found anywhere else,说明独特性是高价原因。", "sourceQuote": "“The artist could charge a relatively high price for the paintings because they're one of a kind and can't be found anywhere else.”"}
{"passage": "第一篇:商业课定价", "question": "第5题 perishable products", "studentMistake": "初听选 B/C。", "correction": "正确选项对应 impractical(不实用/不合理),因为等降价囤货会坏掉。", "sourceQuote": "“It doesn't make sense to wait for a cheaper price and buy a lot of it at once at that cheaper price. Since if you did, it would go bad before you could use it all.”"}
{"passage": "第二篇:鸟类抗风", "question": "第4题 hovering birds 面临的挑战", "studentMistake": "初听选 B,后改 A,最终才选 C。", "correction": "强风会让悬停鸟 lose their place or even fall out of the air。", "sourceQuote": "“strong wind can cause them to lose their place or even fall out of the air.”"}
{"passage": "第二篇:鸟类抗风", "question": "第5题 hummingbirds 如何保持稳定", "studentMistake": "初听选 C,后说 D。", "correction": "hummingbirds 通过 moving their tails back and forth against the wind 来保持位置。", "sourceQuote": "“they start moving their tails back and forth against the wind, and this helps to keep the hummingbirds in place while they drink from the flower.”"}
{"passage": "第三篇:节能捕猎", "question": "第1题主旨", "studentMistake": "选 C。", "correction": "主旨是“一些捕食者发展出更节能的捕猎方式”,关键词 efficient ways / expend less energy。", "sourceQuote": "“some predators have developed more efficient ways to hunt that expend less energy.”"}
可回读产出
本节课没有单独交付内容。
课后动作
老师已将原文贴在题目上方,读的时候可以看着题目读。;朗读第二篇关于鸟类抗风的原文。
一、课堂推进时间轴
1
课前准备
课堂推进:老师让皓宇同学打开听力任务,先通读前五道题,圈出关键词,再开始放音频。
老师处理:要求学生打开听力任务,先读题、找关键词,确认读完后再播放音频。
学生原始输出:五道题都读完了。确定。
老师示范 / 修改方向:提示先读题、找关键词,例如 what is the lecture mainly about、professional painting、perishable products、apple 等。
复习抓手:听前读题是听力抓分的第一步;先找题干关键词,听的时候才有方向
2
第一篇:商业课——定价与消费者心理
课堂推进:第一遍听完后,皓宇同学错了三道题(第1、3、5题)。老师重放音频后逐题讲解,指出主旨题要抓“不同情境下消费者愿意多付钱”,举例题要抓 one of a kind(独一无二),细节题要抓 impractical(不实用)这个关键词。
老师处理:播放音频;学生作答后指出错误;重放音频;逐题讲解关键词和句子结构。
学生原始输出:第一遍:1-A、2-C、3-A、4-C、5-B→C。重听后:1-D、3-D、5-D。
老师示范 / 修改方向:老师逐句回放并解释:主旨应选“situations where sellers can charge higher prices”;art gallery 的例子核心在“one of a kind and can't be found anywhere else”;perishable products 的核心是“it doesn't make sense to wait... it would go bad”,对应 impractical。
复习抓手:主旨题要抓转折 but 后面的核心:situations where consumers are less concerned about price;举例题要紧跟 take... for example 后面的解释;impractical = it doesn't make sense,表示不实用/不合理
3
第二篇:生物课——鸟类如何应对强风
课堂推进:第一遍听完,皓宇同学错了第3、4、5题。老师带着逐句重听,讲解了 eagles 把翅膀折叠成流线型只保持 half a second(半秒钟),hovering birds 会失去位置甚至掉下来,hummingbirds 靠摆动尾巴迎风保持稳定。
学生原始输出:第一遍:1-B、2-A、3-C、4-B、5-C。第四题从 B 改成 A,再改成 C;第五题先说 D,后改 A。
老师示范 / 修改方向:老师指出:eagles 折叠翅膀的时间约为 half a second,不是几分钟;hovering birds 的问题是 strong wind can cause them to lose their place or even fall out of the air;hummingbirds 是用尾巴迎风摆动 moving their tails back and forth against the wind 来保持位置。
复习抓手:数字题要精确听到 half a second 这类时间表达;hover 是“悬停”,lose one's place / fall out of the air 是“失去位置/被吹落”;例子题答案在 for example 之后,不要被前面信息带偏
老师处理:播放音频;逐题分析选项;解释 active hunting、prey、predator、trap、bait 等词;纠正学生把“挖洞等猎物”误听成“用沙子盖住自己”。
学生原始输出:第一遍:1-C、2-D、3-A、4-C、5-C。
老师示范 / 修改方向:老师解释:主旨是“some predators have developed more efficient ways to hunt that expend less energy”;antlion 是“digging a hole in the sand... climbing down into the hole to wait for smaller insects like ants to pass by and accidentally fall in”;陷阱的优势是“the predator doesn't have to move around so much... can sit and wait”,对应 predator can rest。
复习抓手:主旨题开头几句最关键,active hunting 只是铺垫,efficient / less energy 才是重点;predator 是捕食者,prey 是猎物;accidentally fall in 表示“意外掉进去”