八年级英语下册 Unit4 Lesson27教案 冀教版 .doc

冀教版英语八年级下Unit4Lesson27教案Lesson27: Danny the “Dry-o-Saur”!?Step1：复习巩固、激情导入复习：提问Lesson26知识点1-4导入：In the experiment, will Danny get wet？?Step2：出示目标、明确任务1.牢记本课词汇：surprised/examine/discover/explain/enough/liquid/solid/2.spoon/add/mix/pour；3.熟读课文，把握其意；4.背诵重点句子1-4，并灵活运用相关知识点。?Step3：自主学习、合作探究任务一：限时1分钟，牢记词汇任务二：熟读两封邮件，把握其意，画出不理解处，同桌之间交流任务三：背诵重点句子，并自学知识点，画出不理解处，同桌之间交流1.Next, Brian will take his hand off the cardboard.2.The force is strong enough to hold the water.3.Air is stronger than I thought!4.Put eight spoonfuls of cornstarch into the bowl.?Step4：师生互动、展示提升互动一：熟读邮件比赛互动二：课文熟读接力赛互动三：知识点展示大比拼知识点一：Next,Brian will take his hand off the cardboard.take sth. off sth.意为“使某物离开或脱离”Eg：Would you mind taking your foot off my hand?take off还意为“ 起飞；脱下；匆忙离去”Eg：The plane took off at 7 a.m.Take off your shoes,please.He took off for the station in a hurry.知识点二：The force is strong enough to hold the water.Adj/adv+enough to do sth 意为“是 足够以至于能做某事”Eg： The boy is old enough to go to school.=The boy is so old that he can go to school.=He is such an old boy that he can go to school.enough作副词，要放在被修饰的形容词和副词之后；作形容词，通常放在被修饰的名词前或之后。Eg: This hall is large enough to hold two thousand people.He walks fast enough to be here in time.He doesnt have enough money to go for traveling.Im soory,but I havent enough time to do the job.知识点三：Air is stronger than I thought!than可作连词或介词，用于引入比较级的后半部分，表示 比；Eg： She is a better player than she was last year.He is taller than me.He gets up earlier than I（do）。rather than意思是 宁愿，不愿；与其不如Eg： I would rather stay at home than go out.知识点四：Put eight spoonfuls of cornstarch into the bowl.spoonful是可数名词，意思是 一勺的量。Eg：a spoonful of sugar.类似的还有 two cupfuls of milk; a few mouthfuls of tea; a handful of flowers?Step5：巩固练习、检测验收教学反思：