八年级英语下册 Unit4 Lesson27教案 冀教版

冀教版英语八年级下Unit4 Lesson27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 doesn't have enough money to go for traveling.
I'm soory,but I haven't 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：。