资源简介

(共60张PPT)
北京版 五年级下册
Unit Two Amazing Plants
Lesson 6 Roles of Plant Parts
在本课时主题图的帮助下，学生能够听、说、读词汇和句型；能在真实的语境中运用这些单词和句型描述植物部位功能提问与回答的句型。
学习理解
在看、听、读、说活动中学习、理解对话内容，培养学生用英语思维的能力和初步运用英语交际的能力，使学生能够在生活情景中运用所学句型，达到描述植物部位功能提问与回答的目的。
应用实践
通过多种活动提升学生听说技能。通过描述植物部位功能提问与回答的话题的牵引下的情景设置和角色表演和小组练习，巩固本节课一般现在时的核心语言，学生能进一步去判断并思考表达观点，发展了口语技能。
迁移创新
【核心词汇】
ground, take in, soil, carry, grow up, protect
【核心句型】
1. Different parts of a plant have different roles.
2. What do roots do Roots keep the plant in the ground.
3. How about the leaves Leaves make food for the plant.
4. How amazing they are!
核心知识点
Learning Objectives
目录 contents
Lead - in
Presentation
Practice
Summary
Homework
Part 01
Lead - in
Let's enjoy
Part 02
Presentation
Vocabulary
ground /ɡra nd/ n. 地，地面
【拓展】ground 侧重 “地面、地表”，与 soil（土壤）有明确区分
【搭配】on the ground 在地面上；
under the ground 在地下经典例句：
【例句】The plant’s roots are under the ground.（植物的根在地下。）
Grass and flowers grow on the ground.（草和花长在地面上。）
Vocabulary
【关键用法】后接名词作宾语；无被动形式，
【搭配】take in water 吸收水分；
take in nutrients 吸收养分；
take in sunlight 吸收阳光
【例句】Plant roots take in water from the soil.（植物的根从土壤中吸收水分。）
Leaves take in sunlight for the plant.（叶子为植物吸收阳光。）
take in /te k n/ 吸收
Vocabulary
【搭配】in the soil 在土壤里；
from the soil 从土壤中；
black soil 黑土
【例句】We plant seeds in the soil in spring.（我们春天把种子种在土壤里。）
Roots get nutrients from the soil.（根从土壤中获取养分。）
soil /s l/ n. 土壤（不可数名词）
Vocabulary
【搭配】carry water 输送水分；carry nutrients 输送养分；
【例句】The stem carries water to the leaves.
（植物的茎把水分输送到叶子。）
The stem carries nutrients to all parts of the plant.
（茎把养分输送到植物的各个部位。）
carry / k ri/ 输送，运送（水分、养分）
Vocabulary
【搭配】 grow up fast 长得快；grow up well 长得好
【例句】 Plants grow up fast in spring and summer.
（植物在春夏季节长得很快。）
The small seed grows up into a big tree.
（小种子长成了一棵大树。）
grow up /ɡr p/ 长大、生长成熟
Vocabulary
【搭配】protect...from...（保护…… 免受…… 伤害），
protect plants 保护植物；protect the soil 保护土壤
【例句】We should protect plants in the garden.（我们应该保护花园里的植物。）
Trees protect the soil from the rain.（树木保护土壤不被雨水冲刷。）
protect /pr tekt/ v. 保护
Language points
1.What do flowers do 花的作用是什么
They make seeds.它们结种子。
解读:这是询问某物起什么作用及其回答的句型。
举一反三:-What do leaves do 树叶的作用是什么
-They make food for the plants. 它们给植物制造养料。
特殊疑问句
What引导的特殊疑问句
What + do/does + 主语 + 动词原形
Language points
一般现在时表示经常的、习惯性的动作或存在的状态，常与频度副词连用。
常见的时间状语：every...,
sometimes, often, usually, always...,
on Sundays
Language points
含有实义动词的肯定句:
主语+动词原形或者第三人称单数动词+其他.
I teach English.
Miss White teaches English.
tips：主语为第三人称单数时，谓语动词要用三单。
Language points
动词第三人称的变化规律
1.一般情况直接加s。
help-helps like-likes work-works run-runs
2.以s, x, ch,sh, o结尾，加es。
watch-watches wash-washes do-does go - goes
3.以辅音字母 + y 结尾，去y为i，加 es 。
study - studies fly - flies
4. 以元音字母+ y结尾，直接加s。
play - plays
5. 特殊变化：have - has
句型 ：What do...do （询问事物的功能 / 作用）
核心结构：What do + 可数名词复数 + do
用法：专门用于询问人 / 事物的具体功能、作用，本对话中反复用于询问植物部位的作用，是核心高频句型；答句直接用 “主语 + 实义动词短语” 回答功能。
对话原句：What do roots do / What do stems do
答句结构：They + 动词短语.（用 they 指代前文的复数名词）
Language points
句型 ：How about... （提问同类事物）
核心结构：How about + 名词 / 代词？
用法：替代 “What about... ”，用于承接上文的提问话题，避免重复，简洁询问同类人 / 事物的情况，本对话中承接 “What do...do ” 的提问，询问叶子的作用。
对话原句：How about the leaves
仿写：—What do stems do —They carry water. How about the flowers
Language points
句型：...keep...in... （使…… 保持在…… 状态 / 位置）
核心结构：主语 + keep + 宾语 + in + 地点 / 状态
用法：描述 “让某物停留在某个位置”，本对话为植物主题专属用法，宾语多为植物 / 植物部位，in 后接表地点的名词。
对话原句：Roots keep the plant in the ground.
仿写：The soil keeps the seeds in the ground.
Language points
句型 4：...help...(to) do... （帮助…… 做某事）
核心结构：主语 + help + 宾语 + 动词原形
用法：help 的固定搭配，后接动词原形作宾语补足语，本对话中描述植物部位的辅助作用。
对话原句：They help the plant stand up. / All parts of a plant help it grow.
仿写：The stem helps the flower stand up.
Language points
句型 5：...make...for... （为…… 制造 / 产生……）
核心结构：主语 + make + 事物 + for + 对象
用法：描述 “为某个对象制造某物”，本对话中用于植物部位的核心功能（造食物、结种子）。
对话原句：Leaves make food for the plant. / They make seeds.
仿写：Flowers make seeds for the plant.
Language points
句型 ：...grow into... （长成……；成长为……）
核心结构：主语 + grow into + 名词 / 名词短语
用法：固定动词短语，描述 “从小事物长成大事物”，本对话中为植物生长的核心表达。
对话原句：Little seeds grow into plants.
仿写：A small seed grows into a big tree.
Language points
句型 ：How + 形容词 + 主语 + 谓语！（感叹句：多么…… 啊！）
核心结构：How + 形容词（amazing/small/beautiful...） + 主语 + 谓语！
用法：小学基础版感叹句，用于表达强烈的赞叹、惊讶，本对话中表达对植物的赞美。
对话原句：How amazing they are!
仿写：How beautiful the flowers are! / How green the grass is!
Language points
Language points
take in... 吸收…… → They take in water from the soil.
carry...to... 把…… 输送到…… → They carry food and water to other plant parts.
protect... 保护…… → The fruit can protect seeds.
help 的固定搭配
help sb/sth (to) do sth：帮助某人 / 某物做某事，小学阶段省略 to，后直接接动词原形，这是对话的新考点：
原句：They help the plant stand up. / All parts of a plant help it grow.
关键：help 后的动词无论主语是单复数，均用原形（stand/grow）。
Language points
also 的用法（对话高频，表 “也”）
词性：程度副词，表 “也、还”，用于肯定句中；
核心位置：放在实义动词前，be 动词 / 助动词后（小学必记唯一位置，无例外）；
原句：They also take in water from the soil.（take 是实义动词，also 放其前）
仿写：The stem also helps the plant stand up. / The flower is also beautiful.
Language points
all 的用法
结构：All + 复数名词（All parts），表 “所有的……”；
原句：All parts of a plant help it grow.（All parts 是复数主语，谓语用原形 help）；
拓展：All the roots take in water.（all 后可加 the，再接复数名词）。
Language points
Lesson 6
Roles of Plant Parts
Guide: Different parts of a plant have different roles.
Baobao: What do roots do
Guide: Roots keep the plant in the ground. They also take in water from the soil.
Sara: What do stems do
Guide: They help the plant stand up. They also carry food and water to other plant parts.
植物的不同部位有着不同的作用。
根的作用是什么？
根使植物扎根于地面。它们还能从土壤中吸收水分。
茎的作用是什么？
它们帮助植物直立生长。它们还会将食物和水分输送到其他植物部位。
What do roots do
询问根的作用
吸收
stand up 站立
Baobao: How about the leaves
Guide: Leaves make food for the plant.
Sara: What do flowers do
Guide: They make seeds. Little seeds grow into plants.
Sara: So, the fruit can protect seeds, right
Guide: Yes, you are right. All parts of a plant help it grow.
Baobao & Sara: How amazing they are!
那叶子的作用是什么呢？
叶子为植物制造养分。
那花的作用是什么呢？
它们会结出种子。小种子长成植物。
所以，果实能保护种子，对吗？
是的，你说得对。植物的每一部分都有助于其生长。
他们真是太棒了！
grow into...
长成......
make...for...
为...制作
感叹句
Listen, choose and say.
① Where are they
待插入音频
A
B
Listen, choose and say.
待插入音频
② What are they doing
A. They are drawing flowers.
B. They are talking about the roles of plant parts.
C. They are picking fruit.
Listen, choose and say.
待插入音频
② What are they doing
A. They are drawing flowers.
B. They are talking about the roles of plant parts.
C. They are picking fruit.
Different parts of a plant have different _________. All parts of a plant help it grow.
Listen, choose and say.
待插入音频
roles
Listen, choose and say.
待插入音频
C
B
F
H, E
A, G
D
Look, think and act
What do different parts of a plant do
植物的不同部分分别有什么作用呢？
种子是做什么？
它们长到植物。......怎么样？
它们......
Let's talk
What do roots do
Roots keep the plant in the ground. They also take in water from the soil.
Let's talk
What do stems do
They help the plant stand up. They also carry food and water to other plant parts.
Let's talk
What do leaves do
Leaves make food for the plant.
Let's talk
What do flowers do
They make seeds. Little seeds grow into plants.
Let's talk
What do fruit do
It can protect seeds.
take in（吸收）
carry...to...（把…… 输送到……）
grow into（长成）
make...for...（为…… 制造）
Phrases
Talk and share
植物中最重要的部分是什么？请分享一下你的看法。
Which is the most important part of a plant Please share your idea.
我认为叶子是最为重要的，因为它们能为植物制造养分。
Talk and share
植物中最重要的部分是什么？请分享一下你的看法。
Which is the most important part of a plant Please share your idea.
I think stems are the most important, because they help the plant stand up and they also carry food and water to other plant parts.
Let’s have a try.
Let’s go!
Part 03
Practice
Let's play a game：
单项选择题
1.—______ do stems do —They carry water to leaves.
A. What B. How C. Where
2.Roots ______ water from the soil.
A. takes in B. take in C. taking in
3.The stem ______ helps the plant stand up.
A. also B. too C. and
A
B
A
4. Leaves make food ______ the plant.
A. to B. for C. in
5. Stems help the plant ______ up.
A. stands B. standing C. stand
6. Little seeds ______ into big plants.
A. grow B. grows C. growing
B
C
A
7. —How about ______ —They make seeds.
A. a flower B. the flowers C. flower
8. All parts of a plant help ______ grow.
A. it B. them C. they
9. ______ amazing the plants are!
A. How B. What C. What a
10. The fruit ______ seeds.
A. protect B. protecting C. protects
B
B
A
C
句型转换
1. Roots take in water from the soil.（改为一般疑问句）
______ roots ______ in water from the soil
2. Leaves make food for the plant.（对划线部分提问，划线：make food）
______ ______ leaves ______ for the plant
Do
take
What do do
3. The stem helps the plant stand up.（改为否定句）
The stem ______ ______ the plant stand up.
4. Little seeds grow into plants.（对划线部分提问）
______ ______ little seeds grow into
5. The plants are amazing.（改为 How 型感叹句）
______ ______ the plants are!
doesn't help
What do
How amazing
补全对话
Guide: Different parts of a plant have different roles.
Baobao: ______ do roots do
Guide: Roots ______ the plant in the ground. They ______ take in water from the soil.
Sara: What do ______ do
Guide: They help the plant ______ up. They also ______ food and water to other plant parts.
Baobao: ______ ______ the leaves
Guide: Leaves ______ food for the plant.
Sara: All parts of a plant help ______ grow.
Baobao & Sara: ______ amazing they are!
What
keep
also
stems
stand
carry
How about
How
it
make
连词成句，注意大小写和标点
1. do, what, leaves, do ( )
2. plant, the, stand, help, stems, up (.)
3. seeds, into, little, grow, plants (.)
4. make, flowers, for, seeds, the, plant (.)
5. all, it, grow, parts, help, the, plant (.)
What do leaves do
Stems help the plant stand up.
Little seeds grow into plants.
Flowers make seeds for the plant.
All parts of the plant help it grow.
Part 04
Summary
ground, take in, soil, carry, grow up, protect
Summary
Words
Sentences
1. Different parts of a plant have different roles.
2. What do roots do Roots keep the plant in the ground. They also take in water from the soil.
3. What do stems do They help the plant stand up.
4. How about the leaves Leaves make food for the plant.
5. What do flowers do They make seeds. Little seeds grow into plants.
6. How amazing they are!
Part 05
Homework
基础：模仿课文录音，跟读课文中的对话，熟悉本课关于植物各个部分功能的句型。另外尝试分角色朗读课文。
提高：与同学一起模拟分角色朗读课文中的场景，并尝试用：What do seeds/ flowers/ fruit/ leaves 的句型，并回答:They ..., 并记录下来相对应的功能。
拓展：根据核心词汇和句型，描写常见的植物部分的功能，并告诉爸爸妈妈。
Homework
北京版 五年级下册
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