课时21
lesson17: people love pets!
step1：复习巩固、激情导入。
复习：提问unit2重点短语。
导入：do you love animals? this unit, we will meet a lot of amazing animals.
step2：出示目标、明确任务。
1. 牢记本课黑体词汇：pet/lovely/duck/keep/goose/geese等；
2. 熟读乃至背诵对话，把握其意；
3. 背诵重点句子1-3，并灵活运用相关知识点。
step3：自主学习、合作**。
任务一：限时5分钟，熟读所有词汇，牢记黑体词汇。
任务二：熟读对话，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. she plays with me when i come home from school.
2. i will keep him under my desk.
3. i will need to plant a tree in my bed room.
step4：师生互动、展示提升。
互动一：单词记忆比赛。
互动二：对话熟读接力赛。
互动三：知识点展示大比拼。
知识点一：she plays with me when i come home from school.
play with意为“和……一起玩”其后接一起玩的对象；
还意为“拿……来玩”，其后接玩耍的物品。
eg：don't play with fire ,it's dangerous.
知识点二：i will keep him under my desk.
keep：(1)使某人/某物保持某种状态或某地位。
keep sb/sth +介词短语/形容词/现在分词等作宾语补足语
eg： if your hands are cold,keep them in your pockets.
these gloves will keep your hands warm.
i'm sorry to keep you waiting.
2)饲养。eg：you can't keep ducks in the classroom.
(3)借。是延续动词，常于一段时间连用，其对应的瞬间性动词为borrow。
eg：may i keep the book for two weeks?
知识点三：.i will need to plant a tree in my bed room..
1)在肯定句中动词need通常用作行为动词，后接名词、代词、不定式作宾语。
eg: they need to finish the project on time.
you need to take an umbrella with you.
2)在否定句和疑问句中，need即可用作行为动词，也可以用作情态动词，eg:you needn't finish that work today.=you don't need to finish that work today.
do you need to go out?=need you go out?
3)need 还可以用作名词，如 there is a great need for a new book on this subject. eg: a friend in need is a friend indeed.
注意：以must/need开头的一般疑问句的回答。
—need/must i finish it before supper?
—（肯定回答）yes, you must.
否定回答）no, you needn’t.
step5：巩固练习、检测验收。
教学反思：课时22
lesson18: brandy hates cats!
step1：复习巩固、激情导入。
复习：提问lesson17知识点1-3
导入：what would you like to h**e as a pet?
step2：出示目标、明确任务。
1. 牢记本课黑体词汇：branch/chase等；
2. 熟读课文，把握其意；
3. 背诵重点句子1-5，并灵活运用相关知识点。
step3：自主学习、合作**。
任务一：限时3分钟，熟读所有词汇，牢记黑体词汇。
任务二：熟读课文，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. my dad was going to cook them for supper.
2. he was talking to my mum.
3. i can’t remember what we had for supper that night.
4. that’s why we take brandy for a walk every day.
5. slow down!
step4：师生互动、展示提升。
互动一：单词记忆比赛。
互动二：课文郎读接力赛。
互动三：知识点展示大比拼。
知识点一：he was talking to my mum.
was\were+doing是过去进行时，表示在过去某一时刻正在进行的动作。
eg: he wasn't watching the hamburgers at that time.
he was cooking supper when i got home. .
知识点二：i can’t remember what we had for supper that night.
辨析】“forget to do sth。”表示将来不要忘记做某事，谈的是未来的事情；
forget doing sth。”表示忘记过去应该做的事情。
eg:“don’t forget to do your homework。” said the teacher before the class was over.
老师在下课前说：“不要忘记做家庭作业。”
i’m sorry. i forgot doing my homework. may i hand it in this afternoon, mr.
chen?” said li ming. 李明说：
“对不起，我忘记做家庭作业了。我今天下午交好吗，陈老师？”。
知识点三：that’s why we take brandy for a walk every day.
划线部分是一个由why引导的表语从句。
知识点四：slow down!
slow down是固定词组，意为“慢下来”，指放慢速度；
反义短语为：speed up，意为“加速”
step5：巩固练习、检测验收。
教学反思：课时23
lesson19: the zoo is open!
step1：复习巩固、激情导入。
复习：提问lesson18知识点1-4
导入：h**e you ever been to the zoo? today let’s go to the zoo.
step2：出示目标、明确任务。
1. 牢记本课黑体词汇：open/somewhere/lake/all kinds of/protect/scientist/zebra；
2. 能分角色熟练表演对话；
3. 背诵重点句子1-5，并灵活运用相关知识点。
step3：自主学习、合作**。
任务一：限时5分钟，牢记词汇。
任务二：熟读对话，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. the zoo is open.
2. let’s go somewhere tomorrow.
3. it has all kinds of animals.
4. we'll need our caps to protect us from the sun.
5. zoos can help people to stop animals from going extinct.
step4：师生互动、展示提升。
互动一：分角色熟练表演对话。
互动二：知识点展示大比拼。
知识点一：the zoo is open.
open形容词（1）“开放的，可进入的”
eg: this garden is open to the public.
2）“开着的，营业的”反义词为closed
eg: the shop isn't open on sundays.
open动词“打开、开、开放”反义词为close
eg：the store opens at 9am and closes at 10 pm.
知识点二：let’s go somewhere tomorrow.
辨析】somewhere/anywhere
somewhere意为“在某处”，为地点副词，在句子中作状语，多用于肯定句中，但在表示请求、建议等委婉说法或期望得到对方肯定答复的疑问句中，也用。
somewhere。
eg：i lost my pen somewhere.
shall we go somewhere in the north?
anywhere意为“什么地方、任何地方”，多用于疑问句或否定句中。
eg：i don’t want to go anywhere.
i can’t find my textbook. did you see it anywhere.
知识点三：it has all kinds of animals.
kind（1） n 种类。
a kind of ..一种。
different kinds of...不同种类的。
all kinds of 意思是各种各样的。
eg: all kinds of plants were displayed.
2）a 仁慈的、和蔼的、好意的。
eg: miss is a kind nurse.
知识点四：we'll need our caps to protect us from the sun.
protect sb./sth. 保护某人/物。
protect sb./ sth.”保护……免受……的影响或损坏”
eg：we should protect our earth.
i was wearing a fur coat to protect myself from the cold.
知识点五：zoos can help people to stop animals from going extinct.
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