(共51张PPT)
Unit 2 What do flowers do
北京版五年级下册
Lesson 7
Teaching objectives
（一）语言知识目标
1.能在图片、实物和文本语境的帮助下，听懂、会说、会认单词：nothing, earth, without, sun, their
2. 在教师引导下，初步运用句子：Plants make food for themselves. How wonderful! —What do leaves need to make food —They need sunlight, air, and water.
3. 学生能借助图片和文字，听懂、朗读课文。
4. 能够理解并表述植物叶子制造养分所需要的条件。
5.能够询问及回答完成某件事情所需的准备或条件。
Teaching objectives
（二）思维能力目标
1. 能根据文本内容阅读，询问及回答完成某件事情所需的准备或条件。
2. 能在日常生活中，询问及回答完成某件事情所需的准备或条件。
（三）学习能力目标
1. 通过Role-play 等活动，学会与他人合作学习的能力。
2. 通过不同的学习任务，询问及回答完成某件事情所需的准备或条件。
（四）文化品格目标
能理解组成植物的各部分的作用，培养保护植物，爱护环境的意识。
Lead in
Let’s review
—What do seeds do
—They grow up to be plants and trees.
Lead in
Let’s review
—What do stems do
—They carry food and water to the leaves.
Lead in
Let’s review
—What do flowers do
—They make seeds.
Lead in
Let’s review
—What do leaves do
—They make food for the plant.
Lead in
Let’s review
—What do roots do
—They hold the plant in the ground.
Let’s learn
Baobao and Sara are talking with the museum guide. What are they talking about Let’s have a look.
Let’s learn
Listen and say
Let’s learn
nothing
(代词)没有一样;没有东西
There was nothing in the box.
/ n θ /
Let’s learn
earth
(名词)地球
We live on the earth.
/ θ/
Let’s learn
without
(介词)没有，无
Fish can't live without water.
/ w a t /
Let’s learn
sun
(名词)太阳;阳光
The sun was just setting.
/ s n /
Let’s learn
their
(代词)他们的;她们的;它们的
Which is their house
/ e (r) /
Let’s learn
Plants make food for themselves.
植物们自己制造养料。
这是一个一般现在时的句子。
句型结构:主语 + 谓语动词 + 其他
e.g.
I like this movie.
She wants to go home.
Let’s learn.
Let’s learn
【拓展】make 的用法make用作及物动词,在主动语态中的含义有:
(1)做;制作;制造
e.g. Can you make any mooncakes
(2)make后可跟双宾语,间接宾语后移时一般用 for 引导。
e.g. My uncle will make me a kite.
= My uncle will make a kite for me.
Let’s learn.
Let’s learn
(3)构成;组成;成为。
e.g. Daniel scored another goal, but one player does not make a team.
make用作及物动词，意思是“使;让”,在主动语态中其后要跟省略 to的不定式作宾语补足语,而在被动语态中，to 不能省去。
e.g. Don't make the baby cry anymore.
Let’s learn.
Let’s learn
How wonderful! 多么奇妙啊!
感叹句是用来表示喜、怒、哀、乐等强烈感情的句子。常见的感叹句有两种结构，what引导的感叹句和 how引导的感叹句。
what修饰名词或名词短语,有以下两种形式:
句型结构:What + a/an (+形容词) + 单数可数名词 + 主语 + 谓语!
e.g. What a good apple this is!
What a fine day it is!
句型结构: What (+形容词) + 可数名词复数或不可数名词 + 主语 + 谓语!
What kind women they are! 她们是多么好的人啊!
What nice music it is! 多么好听的音乐啊!
Let’s learn.
Let’s learn
句型结构: What (+形容词) + 可数名词复数或不可数名词 + 主语 + 谓语!
e.g.
What kind women they are!
What nice music it is!
Let’s learn.
Let’s learn
how用来修饰形容词副词或动词
句型结构: How + 形容词/副词 + 主语 + 谓语!
e.g.
How hard the workers are working!
How clever the girl is!
How quickly the boy is writing!
Let’s learn.
Let’s learn
—What do leaves need to make food 树叶需要什么制造养料
—They need sunlight，air，and water. 它们需要阳光、空气和水。
问句是一般现在时的特殊疑问句。
句型结构:特殊疑问词 + 助动词 + 主语 + 谓语动词 (+ 其他)
e.g. —When do you get up
—At seven o'clock. 七点。
Let’s learn.
Let’s learn
【拓展】 need 的用法
1.作情态动词
(1)need作情态动词无人称或数的变化,后接动词原形，多用于否定句和疑问句中。
e.g. You needn't worry.
Let’s learn.
Let’s learn
(2)由 need引出的一般疑问句,肯定回答中常用 must 或 have to; 否定答中常用 needn’t。
e.g. —Need I answer the question
—Yes, you must./Yes, you have to. /No, you needn't.
Let’s learn.
Let’s learn
2.作行为动词
need 作行为动词有人称和数的变化,后面可接名词、代词、动名词及带 to 的动词不定式;可用于肯定句、疑问句和否定句中。
e.g. She needs help.
don't need to see the doctor.
Do you need to go at once
Yes, I do./No, I don't.
Let’s learn.
Let’s do
Read and answer
What do leaves need to make food
They need sunlight, air, and water.
Let’s do
Read and answer
Is there anything on the earth can live without the sun
No, there isn’t.
Let’s do
Read and answer
Can plants make food for themselves
Yes, they can.
Let’s do
Read and answer
How do plants make food by themselves
They make food by their own leaves.
Let’s do
Watch the video
Let’s do
Listen and repeat
Let’s do
Listen and repeat
Let’s do
Fill in the blanks
Baobao: What do leaves need to make food
Guide: They need ________, ________, and ________.
Sara: ________ on the earth can live _________ the sun.
Baobao: You are right.
Guide: Plants make food for __________.
Sara: They make food by their own __________.
Baobao: So leaves are like little __________ .
Sara: How wonderful!
sunlight
air
water
Nothing
without
themselves
leaves
factories
Let’s do
Role-play
Let’s learn
Listen, look and learn
Let’s do
Ask and answer
—What do leaves need to make food
—They need sunlight, air, and water.
Let’s do
Ask and answer
—What do we need to cook the dinner
—We need potatoes, tomatoes, and eggs.
Let’s do
Ask and answer
—What do we need to hold the party
—We need candy, drinks, and toys.
Let’s learn
Listen and circle
Let’s learn
Listen and check
It’s my mother’s birthday today.
I’m making a card for my mum.
I need paper and marks.
I need eggs and noodles to cook.
I need flowers to make a room beautiful.
I need a gift to make her happy.
And I also need a birthday cake and drinks to hold party for her.
Let’s do
Brainstorming: What do we need
paper
pencils
crayons
flour
eggs
tomatoes
without
nothing
earth
sun
their
Let’s do
Group work
Work in groups. Talk about what leaves need to make food for the plant with your group members. Then share your idea with the whole class.
Summary
1. We can master the usage of the words and phrases: nothing, earth, without, sun, their
2. We can master the usage of the sentence: Plants make food for themselves. How wonderful! —What do leaves need to make food —They need sunlight, air, and water.
3. We can talk about what the leaves need to make food for the plant.
Blackboard design
Lesson 7
nothing, earth, without, sun, their
Plants make food for themselves.
How wonderful!
—What do leaves need to make food
—They need sunlight, air, and water.
Homework
1. Write the words and phrases: nothing, earth, without, sun, their 3 times.
2. Practice using the sentence: Plants make food for themselves. How wonderful! —What do leaves need to make food —They need sunlight, air, and water.
3. Write a short passage about what the leaves need to make food for the plant.
谢谢
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